Digital Commons Network^™

A Trajectory Planning Method For Delta Sorting Robot In Tomato Production Line Based On Improved Gate Shaped Trajectory, Feng Yanfang, Wu Birui, Zhao Qian

Food and Machinery

Objective: To solve the problems of low efficiency and poor motion stability of DELTA robots in the tomato sorting process of existing tomato processing production lines. Methods: Based on the analysis of the DELTA robot sorting system, the optimized gate shaped trajectory of the cyclotron was used for DELTA robot trajectory planning. By replacing the right angle part of the gate shaped trajectory with a convolutional line, an optimization model with the goal of time optimization was established. The optimized parameters of the gate shaped trajectory were solved using an improved ant colony optimization algorithm. Analyzed its performance through experiments. …

Design And Experiment Of Light Angle Adjustable Device For Measuring Sugar Content Of Citrus By Near Infrared Spectroscopy, Zeng Xianming, Han Longbo, Wen Tao, Dai Xingyong

Food and Machinery

Objective: To solve the problem of insufficient spectral information obtained by the fixed illumination angle of the near-infrared spectroscopy to detect the sugar content of fruits. Methods: A light angle adjustable device for the diffuse transmission near-infrared spectroscopy was designed to detect the sugar content of citrus based on the simplified model of the remote motion center of the light source. The device had carried out the structural performance analysis and the test of the citrus sugar under different illumination angles. Results: The adjustment range of the light angle of the device was set to 0°～60°. The displacement deviation between …

Design And Test Of On-Line Checking Device For Electronic Belt Weigher, Zhang Linfeng, Liu Suijun, Yang Linchao, Liu Ying, Hu Jiacheng, Cai Jinhui, Shen Yinchu, Li Shaohua, Li Qing

Food and Machinery

Objective: In order to prevent the problem of small range electronic belt scale with inefficient method of traditional intermediate verification, low verification accuracy and security. Methods: A on-line intermediate check device was designed for small range electronic belt scale, which was composed of digital transmission control module and automatic loading module. Taking standard weight as input quantity, the upper computer controlled the manipulator to grab the weight onto the transmission belt to implement cyclic loading, then evaluated the measurement results and upload the evaluation results to the cloud. Results: After verification test and data analysis, for electronic belt weigher, it …

Research And Application Progress Of Cold-Chain Logistics Packaging Technology Of Fresh Agricultural Products, Xiang Mingyue

Food and Machinery

Cold chain logistics packaging technology is crucial for the operation of perishable food chains （such as meat, fish, dairy products, fruit and vegetable products） and certain products in the pharmaceutical industry （such as vaccines, biopharmaceuticals, and blood products）. In the future, the cold chain logistics packaging of fresh agricultural products will tend towards high-performance, environmentally friendly, and digital development. The article reviews the packaging technologies used in the cold chain logistics of fresh agricultural products in recent years. Analyzes the characteristics, use value, application scope, technical advantages and disadvantages of different packaging materials, and analyzes the potential cold chain logistics …

Apple Surface Defect Detection Based On Improved Cnn And Data Augmentation, Pi Wei, Qu Xilong, Wang Shaocheng, Li Qingchun

Food and Machinery

Objective: Improve the detection accuracy and efficiency of apple surface defects. Methods: An detection method for apple surface defects was established based on an improved convolutional neural network (CNN) and data augmentation method. Firstly, the classical CNN was improved to detect apple surface defects. Then, using the conditional generation adversarial network, the image data of surface defect free and defective apples was augmented with synthetic apple images to improve the detection performance of the improved CNN for apple surface defects. Finally, by pruning the CNN model, the detection accuracy, detection speed and energy saving limits of apple surface defects were …

Effects Of Plant Extract And Betel Nut On Acute Inflammation In Rats, Song Xiaohui, Zhu Junding, Li Zhi, Ma Chaoyang, Wang Hongxin

Food and Machinery

Objective: This study aimed to reduce inflammation effect caused by long-term and large amount of betel nut chewing. Methods: Natural plant extracts with anti-inflammatory effects were added to betel nut in order to reduce the inflammatory damage. Glycyrrhiza uralensis fisch, radix platycodi and loquat leaf were used to treat rats with areca nut for 28 days. Body weight, organ coefficient, swelling rate of plantar in 6 hours, levels of inflammatory factors, and mediators were compared. Results: The addition of high-dose natural plant extract significantly reduced the production of prostaglandin E₂ (PGE₂), malondialdehyde (MDA), and nitric oxide (NO) …

Experimental Study On The Assisted Hypolipidemic Function Of The Mixture Between Hemp Seed Oil And Algae Oil In The Human Body, Chen Zehua, Li Hongying, Zhou Yong, Li Wenzhi

Food and Machinery

Objective： To study the effect of hemp seed and algal oil mixture in lowering blood lipids, and provide the theoretical basis for the utilization of hemp seed and algal oil mixture in food. Methods: 113 hyperlipidemia adult volunteers were selected and randomly divided into two groups, namely the experiment group and the control group. The subjects in the experiment group were given gelatinized confections for 90 days, while subjects in the control group were given a placebo. The levels of Serum total cholesterol(TC), Triglyceride(TG), High-density lipoprotein cholesterol(HDL-C), Low-density lipoprotein cholesterol(LDL-C)and physiological and biochemical parameters were measured before and after trial. …

Decolorization And Filter Aid Effect Of Silicon-Magnesium Mixed Decolorizer In Anchovy Oil, Li Wen, Yu Jun, Xie Chenwei, Tao Ningping

Food and Machinery

Objective: This study aimed to improve the separation efficiency of decolorizing agent and fish oil, and ensure high decolorization rate at the same time. Methods: The optimum absorption wavelength of fish oil was measured by spectrophotometer. Magnesium silicate was mixed with activated clay into compound decolorizers, and was used to evaluate the decolorization rate and filtration speed. The decolorization parameters of anchovy oil were optimized by single factor experiment and response surface experiment. The oil absorption rate and fish oil recovery rate of decolorizing agent were calculated. The decolorization and filter aid effect of decolorizing agent were verified through the …

Screening Of Autochthonouslactic Acid Bacteria And Optimization Of Fermentation Process In Low-Salt Zhayu Of Red Rice, Xu Dongmei, Liu Yongle, Li Xianghong, Wang Faxiang, Huang Yiqun, Ma Xiayin

Food and Machinery

Objective: To solve the problems of an uncertain fermentation process, a long fermentation period, and the unstable quality of traditional naturally fermented preserved fish. Methods: The lactic acid bacteria were isolated from low-salt preserved red fish, and the inhibition ability, salt tolerance, and acid production ability of the strains were investigated. The lactic acid bacteria suitable for fermentation were screened out, and the fermentation of preserved red fish was intensified by inoculation. The amount of red rice flour added, the amount of salt added during curing, and the fermentation temperature were optimized in the fermentation process. Results: There were 22 …

Study On Flash Extraction Technology And Antioxidant Activity Of Polysaccharides From Fresh Lentinus Edodes Stalk, Shi Guoqing, Yang Linxiao, Li Meijuan, Kong Na, Jia Huanhuan, Shi Li

Food and Machinery

Objective: Develop the industrial production of Lentinus edodes stalk polysaccharides. Methods: Using the yield of polysaccharides as an indicator, uniform design experiments were used to optimize the extraction process parameters. Four methods were used to determine the antioxidant activity of polysaccharides and compared with the traditional hot water extraction method. Results: The optimal process conditions for the flash-assisted extraction of Lentinus edodes stalk polysaccharides were as follows: flash extraction time 120 s, ratio of liquid to material 40∶1 （mL/g）, hot water extraction time 105min, temperature 50 ℃, extraction twice. Under these conditions, the yield of polysaccharides was （5.03±0.22）%, which was …

Advances In The Preparation, Structural Characterization And Biological Activity Of Glycosylated Peptides, Wu Ying, Qu Tingmin, Wen Shiyu, Wu Hao, Cheng Yunhui, Wen Li

Food and Machinery

The structure and function of peptides are affected by the changes of environmental factors, including temperature, pH value and ionic strength. Sugar groups can form covalent bonds with amino acid side chain groups of peptides to undergo structural modification, and then the glycosylation modification can effectively improve the stability and biological activity of peptide molecules. In this review, the preparation methods and structural characterization strategies of glycosylated peptides were summarized, and the recent research progress on their physiological activities were highlighted. The challenges and future research directions of glycosylated peptides were also discussed.

Research Progress Of Peanut Allergenicity Assessment Methods And The Effect Of Food Processing On Its Allergenicity, Chen Kuan, Wang Tao, Li Qian, Jiang Songsong

Food and Machinery

Peanut is one of the "Big Eight" allergen foods. It has been noticed by public due to its serious clinical symptoms and high incidence rate. This review introduced structures and immune characteristics of peanut allergens (Ara h 1-18). The assessment methods (both in vitro and in vivo) was also introduced. Finally, the research progress of different food processing on the allergenicity of peanut were summarized. The future research direction of food processing on reducing the allergenicity of peanut were prospected.

Advances In The Detection Of Water Content Of Plant-Based Food Materials, Wang Lejun, Xing Youcheng, Niu Yanli, Chen Kai, Jiang Fatang

Food and Machinery

This reviewed summarized the research status of water content detection methods of plant-based food materials, analyzed the water content detection devices, advantages, disadvantages and applications, and discussed the application of water content detection in different types of plant-based food materials. The advantages of hot air drying, microwave method, Karl Fischer method, absolute dry nitrogen purge method, spectral technology and imaging technology were highlighted, and the future development direction of water content detection of plant-based food materials was prospected.

Application Progress Of Liquid Fermentation Products Of Edible And Medicinal Fungi In Food Industry, Yan Mengqiu, Liu Yanfang, Tang Chuanhong, Feng Jie, Zhang Jingsong

Food and Machinery

Edible and medicinal fungi are rich in various nutrients and active ingredients, and functional raw materials with stable quality and controllable yield can be obtained by liquid fermentation technology. This paper summarizes the application status of liquid fermentation technology of edible and medicinal fungi and the related regulations of liquid fermentation products of edible and medicinal fungi in food industry. With the improvement of regulations and popularization of liquid fermentation of edible and medicinal fungi in food industry, it is expected to have a bright future for related products development.

Leaching Performance Of Nanotechnology-Induced High-Arsenic-Bearing Tooeleite-Like Mineral Nanowaste, Arindam Malakar, Sanjit Das, Samirul Islam, Rajneesh Singh, Sugata Ray

Nebraska Water Center: Faculty Publications

For arsenic decontamination from groundwater, arsenic crystallization is becoming adopted due to its sustainability and economic benefits. However, arsenic crystallization technology is a two-step process, which makes it complex and generates hazardous waste. Successful efforts toward making it a single-step process are presented here. The addition of nanorods and ball-milled zinc sulfide nanoparticles to arsenic-contaminated water result in highly monodispersed and higharsenic- containing mineralized nanowaste with a crystalline structure similar to the mineral Tooeleite ((Fe³⁺₆(As³⁺O₃)₄SO₄(OH)₄•4H₂O)). This study reports the results of a short-term stability test …

Starting Stem On The Right Foot: Developing A Student Success Oer For First-Year Stem Students, Samantha Dannick, Elizabeth Matson

Upstate New York Science Librarians Conference

This presentation will introduce a collaborative project between library and STEM faculty. The goal of the project is the creation of an open educational resource (OER) for first-year college students entering STEM fields. The final product may be an adaptation of an existing college success OER or supplemental resources. A driving force of the project is the recognition that success in STEM fields in college and beyond requires knowledge and skills distinct from and in addition to general college success skills.

Early stages of the project are data gathering from first-year STEM students and STEM faculty to identify and prioritize …

Beyond Chatgpt: Using Its Stem To Support Librarians, Juan Denzer

Upstate New York Science Librarians Conference

Librarians have long utilized technology to enhance productivity and information sharing. However, the pace of adopting new technologies in libraries has been limited by factors such as funding constraints, privacy concerns, and a non-profit focus. This proposal aims to explore the transformative potential of advanced AI tools, specifically large language models (LLMs), in the field of librarianship. While natural language tools like ChatGPT and Google's Bard have garnered attention, misconceptions and fears surrounding academic integrity and negative media coverage have hindered the broader acceptance of these AI advancements. Paradoxically, many existing tools in libraries, such as translation services and customer …

Kenyon Collegiate - October 20, 2023

Kenyon Collegiate

No abstract provided.

Developing A Fire Detection And Alarm System For The Library Using Arduino Uno, Partha Sarathi Mandal, Sukumar Mandal Dr.

Library Philosophy and Practice (e-journal)

Fire is a natural calamity which can engulf each and every object of Nature as well as human beings. As a social institution, library should develop fire prevention system to protect its safety. There are many ways to prevent the fire but with the technological advancement, library has to change their policy to combat with this natural element. Internet of Tings (IoT) which enriches our life with comfort and ease is one of the greatest technologies in this present era. This paper not only highlights the historical origins of fire detection and alarm system but also gives an ample light …

Recipient Of The 2023 Alumni Titan Award, Dr. Angel Alvarez ‘98

Alumni Titan Award

Dr. Angel Alvarez ‘98

Dr. Angel Alvarez is the Director of the Stem Cell Core and a Research Assistant Professor in the Department of Neurology at Northwestern University. He has extensive experience in stem cell biology, imaging, gene delivery, and biotechnology. As the Director of the Northwestern Stem Cell Core, he establishes disease models to accelerate therapeutic development using organoid technology and patient-derived induced pluripotent stem cells. Many of the most rewarding aspects of his current position are derived from the Core’s exciting collaborations in reproductive biology, neuroscience, and pathology. Beyond his lab research, Dr. Alvarez has a passion for …

Recipient Of The 2023 Alumni Distinguished Leadership Award, Capt. Elizabeth “Spike” Malecha '90

Alumni Distinguished Leadership Award

Capt. Elizabeth “Spike” Malecha ‘90

Elizabeth Malecha is an accomplished military officer dedicated to service and leadership.

After graduating from the United States Naval Academy in 1994, she was in the first wave of women allowed to defend our nation in combat military roles. After completing flight training, she became a Radar Intercept Officer in the F-14 Tomcat. Flying missions from aircraft carriers across the world, she developed as a leader and a combat aviator in support of our national objectives and defense. Her talent and work ethic resulted in her selection for elite training at the U.S. Navy Fighter …

Rapid Identification Of Adulterated Camellia Seed Oil By E-Nose Combined With Chemometrics, Guan-Zhao Yi-Zhu, Fang Fang, Wang Yao-Yao, Tian Zi-Jing, Yang Jian-An, Wang Jian-Hui

Food and Machinery

Objective： To establish a rapid qualitative and quantitative method for the adulteration of Camellia seed oil. Methods： The electronic nose technology combined with chemometrics was used to screen the difference variables based on one-way ANOVA. The qualitative model for identification of adulteration types of camellia seed oil was established through principal component analysis (PCA) and discriminant analysis (DA). A quantitative model for identifying the types and degrees of camellia seed oil adulteration was established using orthogonal partial least squares (OPLS). Results： The R² of the model was over 0.98, the RMSEE was lower than 0.005, and the RMSECV was …

Effects Of Ethanol And Methyl Jasmonate Fumigation On The Quality Of Bamboo Shoots During Storage, Xu Jing-Yang, Ji Ning, Wang Rui, Zhang Ni, Liu Ren-Chan, Wang Si-Yuan, Deng Yun-Bing

Food and Machinery

Objective： This study aimed to provide a basis for the post-harvest storage and preservation of fresh shoots from bamboo (Chimonobambusa quadrangularis). Methods: Fresh bamboo shoots were fumigated with 500 μL/L anhydrous ethanol and 0.1 mmol/L MeJA, and distilled water was used as blank control (CK) to determine the storage period, i. e. temperature (1.0±0.3) ℃ and relative humidity (90±5)%. The respiratory intensity, hardness, browning index, soluble protein, and activity of PAL, POD, PPO and APX were detected. The quality differences of fresh bamboo shoots during storage were analyzed using principal component analysis. Results: Combined fumigation treatment can reduce …

Effects Of Wet Processing On Coffee Quality, Li Xue-Rui, Liu Xiu-Wei, Li Hong, Yan Jing, Tian Hao

Food and Machinery

Objective: This study aimed to optimize the wet processing of coffee. Methods: The effects of pectinase concentration, temperature and drying method on the contents of flavor precursors and flavor substances in coffee beans were investigated. The quality ranking was obtained by grey correlation analysis and the volatile substances were analyzed. Results: There were significant differences in the contents of protein, crude fat, caffeic acid, caffeine, chlorogenic acid and volatile compounds among different pectinase concentration, temperature, sun drying and heat pump drying. Grey correlation analysis showed that the quality ranking of coffee in the 2% pectinase + 27 ℃+ sun-drying treatment …

Analysis Of Chloramphenicol, Sulphamethoxazole, And Sulfanilamide Drugs By Reversed-Phase High-Performance Liquid Chromatography With Fluorescent Detector, Tariq Y. Mahmoud, Aziz L. Jarallah, Isam S. Hamza

Al-Esraa University College Journal for Medical Sciences

This study proposed to analyze chloramphenicol (CPA), sulfamethoxazole (SMX), and sulfanilamide (SNA) drugs by reverse-phase liquid chromatography method in the form of pharmaceutical preparations and synthetic mixture. For this method, column C18-ODS (25 cm x 4.6 mm) was used with an isocratic elution mobile phase composed of methanol and 2% orthophosphoric acid, fluorescent detector (Ex= 310 nm, Em= 440 nm). It was found that the time of retention for CPA, SMX, and SNA was 8.99 ± 0.02, 10.76 ± 0.2, and 8.21 ± 0.2 min, respectively. The suggested method has been validated for limit of detection, limit of quantitation, linearity, …

Investing Traditional Architecture That Fulfills The Supreme Human Needs With Its Spiritual Dimension In Reconstruction / The Architecture Of Old Mosul City, A Case Study, Sinan Mohammad Talee Al-Saffar, Anwar Subhi Ramdan Al - Qaraghuli

Al-Esraa University College Journal for Engineering Sciences

Architecture has sought since time immemorial to meet multiple human needs, starting from the basic physiological needs for human survival, psychological needs (social and individual) to needs related to human progress, such as taking into account the aesthetic and spiritual aspects, which represent the highest levels of those needs, through a set of design aspects and characteristics. This research is based on the study of the spiritual dimension of higher human needs in general that architecture seeks to meet, by studying that in the architecture of traditional cities, in particular, to enhance architectural knowledge with regard to the importance of …

The Role Of Algorithms In Formulating The Architectural Formation, Ghada Ghalib Abdul Wahab, Younis Mahmood M. Salem

Al-Esraa University College Journal for Engineering Sciences

Algorithms are mathematical processes that provide step-by-step instructions for solving a specific problem. They are commonly used in computer science and other technical fields to automate processes and solve complex problems. One great application of algorithms is the generation of shapes. Algorithms can be used to create complex shapes and patterns that are difficult or impossible to create manually. We will explore how algorithms can be used as a mechanism to generate shapes by adopting the Voronoi algorithm because it provides a wide environment for creativity through new intellectual processes that may not occur at all in the human mind …

The Detection Of Android Malwares Using The Features Selection Technique, Farah Rafid Salman, Amer Abdulmajeed Abdulrahman

Al-Esraa University College Journal for Engineering Sciences

The use of Android smartphones has been rising quickly as Internet-based services gain more popularity and develop. The Android operating system's enormous popularity has drawn malware attacks on these devices. It is difficult and ineffective to detect malware versions with features that modify their behavior in order to avoid detection by machine learning (ML) techniques. Effective feature selection plays a crucial role in detecting malware characteristics and reduces the dimensionality of a large dataset by removing unnecessary features that are not useful and keeping those relevant features that increase classification accuracy and detection rate. This helps to solve the problems …

A Review Of Polymer – Particles Composite Materials, Ismail Ibrahim Marhoon, Ayad Abbood Abdul Al-Hassan, Mohammed Ali Abdulrehman

Al-Esraa University College Journal for Engineering Sciences

In several engineering applications traditional materials are replacedby composite materials. Filled composite materials consist of the continuousmatrix and the filling particles. The primary purpose of introducing inorganicsolid particles into polymers is to essentially increase mechanical and physicalproperties. The wear properties of polymer composite can be changed to agreater degree by modifying the process of preparing the filled compositematerials. In the present review, a large-scale research has been conductedon the effect of wear on the composites of polymers. The effect of filler onthe polymer composites wear behavior has been thoroughly explained

Ability Of Replacing The Steel Strands By Cfrp In Pre-Stressed Concrete Girders: Art Review, Ahmed Salim Edan, Wael Shawky Abdulsahib

Al-Esraa University College Journal for Engineering Sciences

Fiber-reinforced polymer (FRP) composites are the modern,trustworthy alternatives to steel tendons and rebars. The bulk of currentresearch is devoted to establishing the feasibility of incorporating carbonfibre-reinforced polymer (CFRP) into reinforced concrete girders byevaluating the strength and reliability of CFRP and concrete components.In order to improve fatigue and corrosion resistance, CFRPs are crucial.Comparing reinforced prestressed concrete bridge girders strengthenedwith conventional steel reinforcement to those reinforced with CFRPs offersthe possibility of greatly increasing service life. Also widely researchedand used in bridge engineering as a corrosion-resistant substitute for steelreinforcement is CFRP composite material. The use of carbon fiber-reinforcedplastic (CFRP) reinforcement for prestressing concrete …