Results 41 to 50 of about 17,947 (192)

Organic Matter Quality and Microbial Activity in Soils Managed With Brachiaria Succession

open access: yesJournal of Plant Nutrition and Soil Science, EarlyView.
ABSTRACT Background Although succession systems and brachiaria improve soil quality, gaps remain in microbial community dynamics, activity, and soil organic matter stocks. Methods The objective was to evaluate the carbon (C) and nitrogen (N) stocks of soil organic matter fractions and their distribution, molecular characterization, enzyme activity ...
Siro Paulo Moreira   +5 more
wiley   +1 more source

Vaccination Coverage and Awareness on Hepatitis B Virus Among High School, College, and University Students of Rajshahi Division of Bangladesh: A Cross‐Sectional Study

open access: yesHealth Science Reports
Background Hepatitis B virus (HBV) causes hepatitis B, a vaccine‐preventable liver disease. The purpose of the present study was to investigate the knowledge and attitudes toward HBV and its vaccination among students of the Rajshahi Division of ...
Mst. Hajera Khatun   +7 more
doaj   +1 more source

上海市市售食用植物油中氯丙醇酯的 污染状况和暴露评估Contamination status and exposure assessment of chloropropanol esters in edible vegetable oils sold in Shanghai

open access: yesZhongguo youzhi
旨在为食用植物油中氯丙醇酯(MCPDE)的安全监管以及标准制定提供参考,利用2020—2024年上海市市售食用植物油中MCPDE的监测数据,结合居民植物油消费量数据,采用点评估法评估上海市居民经食用植物油摄入3-MCPDE、2-MCPDE的暴露情况。结果表明:270件食用植物油中3-MCPDE和2-MCPDE的总体检出率分别为83.0%和744%,含量均值分别为1 009.5 μg/kg和331.3 μg/kg,最大值分别为18 500 μg/kg和9 500 μg/kg;参照欧盟(EU)2023 ...
宇盛好,李亦奇,彭少杰 YU Shenghao, LI Yiqi, PENG Shaojie
doaj   +1 more source

Avaliação da atividade antioxidante da casca e torta de noz-pecã [Carya illinoinensis (Wangenh) C. Kock] [PDF]

open access: yes, 2008
Dissertação (mestrado) - Universidade Federal de Santa Catarina. Centro de Ciências Agrárias. Programa de Pós-graduação em Ciência dos AlimentosO processamento da noz-pecã resulta em subprodutos, como a casca, comercializada para preparar chá e a torta ...
Prado, Ana Cristina Pinheiro do
core  

Comprehensive elucidation of volatile, phenolic, and organic acid profiles in Turkish mallow (Malva sylvestris L.) petal herbal tea: impact of diverse brewing conditions

open access: yesJournal of the Science of Food and Agriculture, EarlyView.
Abstract BACKGROUND Mallow (Malva sylvestris L.) petals are traditionally consumed as herbal tea across the Mediterranean for their soothing and anti‐inflammatory properties; however, scientific characterization of this consumption‐relevant matrix under realistic brewing conditions remains scarce.
Armin Amanpour   +2 more
wiley   +1 more source

Wild black soldier flies, Hermetia illucens (Diptera: Stratiomyidae): Seasonal availability and life history traits in two common organic streams in Bangladesh

open access: yesJournal of the Saudi Society of Agricultural Sciences
The black soldier fly (BSF) Hermetia illucens (L.) (Diptera: Stratiomyidae) is a “crown jewel” in waste management because it rapidly bioconverts organic streams into nutrient-rich biomass.
Lailatul Ferdousi   +7 more
doaj   +1 more source

二氢杨梅素自微乳配方的优化及表征Formulation optimization and characterization of self-microemulsifying system for dihydromyricetin

open access: yesZhongguo youzhi
旨在提高二氢杨梅素(DMY)的生物利用度,制备了二氢杨梅素自微乳(DMY-SMES),通过DMY在辅料(油相、乳化剂和助乳化剂)中的溶解度及各辅料的相容性确定油相、乳化剂和助乳化剂,通过伪三元相图确定三者在自微乳中的比例,在此基础上,以粒径、多分散指数(PDI)和载药量为指标,通过单纯形网格法优化DMY-SMES的配方,并对最佳配方制备的DMY-SMES进行表征。结果表明:以中链甘油三酯(MCT)、吐温80和聚乙二醇400分别为油相、乳化剂和助乳化剂,DMY-SMES的最佳配方为10%MCT、60 ...
常大伟,曹佳怡,姚芊,任娜,王虎玄,孙玉姣,沈文 CHANG Dawei,CAO Jiayi, YAO Qian, REN Na, WANG Huxuan, SUN Yujiao, SHEN Wen
doaj   +1 more source

Process of Hyrdogenating Fats, Oils and Waxes

open access: yes, 1915
Patent for introducing hydrogen and a catalyst in order to convert oils, fats, and waxes into substances of higher melting ...
Walker, Thomas Bailey
core  

Chemical Ionization Mass Spectrometry: Fundamental Principles, Diverse Applications, and the Latest Technological Frontiers

open access: yesMass Spectrometry Reviews, EarlyView.
ABSTRACT The review examines the evolution of chemical ionization mass spectrometry (CI‐MS), a technique developed in 1966 by Field and Munson. CI is a soft‐ionization method that produces more intense molecular ions with less fragmentation than electron ionization (EI).
Malvika Dutt   +4 more
wiley   +1 more source

伊犁河谷红花产业集群化发展策略研究Research on the development strategy of Carthamus tinctorius industrial cluster in the Yili Valley

open access: yesZhongguo youzhi
产业集群是衡量地区经济发展水平的重要指标,红花是伊犁河谷的重要经济作物,推动伊犁河谷红花产业集群化发展是提升区域竞争力、推动当地经济高质量发展的有效途径。旨在为伊犁河谷红花产业集群化发展提供理论支撑,梳理了伊犁河谷红花产业发展优势和现状,深度剖析了伊犁河谷红花产业集群化发展的梗阻,并提出伊犁河谷红花产业集群化发展的实现路径。伊犁河谷红花产业具有悠久的种植历史、广阔的种植规模、良好的生长环境、优异的贸易条件以及牢固的产业基础,已初具集群规模。但伊犁河谷红花产业集群化发展存在红花品种培育技术落后 ...
玛依拉·米吉提,于月恒,赵向豪 Mayila Mijiti, YU Yueheng, ZHAO Xianghao
doaj   +1 more source

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