Results 31 to 40 of about 58,934 (163)
Rare Metals, Volume 45, Issue 1, January 2026.ABSTRACT Moist‐electric generators (MEGs) harness energy from ubiquitous ambient humidity, which has emerged as a promising way to collect energy irrespective of location and time. This study presents a high‐performance MEG employing a bilayer Janus nanofiber membrane: a hydrophilic layer (lithium chloride/citric acid/polyvinyl alcohol) for enhanced ...
Peng Chen +7 more
wiley +1 more source
Study on the alcoholysis of dichloromethylvinylsilane(甲基乙烯基二氯硅烷乙醇解反应的研究)
Zhejiang Daxue xuebao. Lixue ban, 2007 对甲基乙烯基二氯硅烷的乙醇解反应进行了理论（采用B3LYP/6-31G(D)方法）和实验（溶剂法）研究，发现反应较容易进行.主产物为甲基乙烯基二乙氧基硅烷；反应宜按乙醇滴加入氯硅烷的方式进行.理论和实验结果比较吻合.计算溶剂效应，表明溶剂的存在有利于排除副产物HCI的干扰，阻碍副反应的进行.
XUWen-yuan(徐文媛) +4 more
doaj +1 more source
Landscape‐scale predictions of future grassland conversion to cropland or development
Conservation Biology, Volume 39, Issue 1, February 2025.Abstract Grassland conservation planning often focuses on high‐risk landscapes, but many grassland conversion models are not designed to optimize conservation planning because they lack multidimensional risk assessments and are misaligned with ecological and conservation delivery scales.
Kevin W. Barnes +2 more
wiley +1 more source
Veterinary Dermatology, Volume 35, Issue 6, Page 595-604, December 2024.Background – Mycobacterium cell wall fraction (MCWF) is derived from nonpathogenic Mycobacterium phlei and is used as an immunomodulatory compound in clinical practice, yet its mode‐of‐action requires further research. Objective – To evaluate the host response to MCWF in canine peripheral blood mononuclear cells (PBMCs) by using enzyme‐linked ...
Robert Ward +9 more
wiley +1 more source
Topical and transdermal botanical formulations of the Chinese pharmacopoeia—A review
Phytotherapy Research, Volume 38, Issue 9, Page 4716-4735, September 2024.Abstract In pharmaceutics, ingredients are classified as active ingredients and excipients. In topical/transdermal phytomedicines, an ingredient may serve both functions. Published information on these dual‐purpose ingredients and their pharmacological relevance is limited.
Jingyi Gu +3 more
wiley +1 more source
, 2000 一种乙二醇单酯类乙酸酯和二乙二醇单酯类乙酸酯合成用催化剂，该催化剂为层柱状分子筛，基本结构为Al4Si8O20(OH)4·nH2O;催化剂的基本组成为（重量百分比）：SiO2６０～７０％，FeSO4３～４％，Al2O3１～２％，Mg、Sn、Zn、Ca、Na、Mn的硫酸盐和／或金属氧化物０．１～１０％，余量为水。本发明可抑制生产过程中的副反应发生，提高目标产物选择性，缩短生产周期，降低生产设备投资，同时避免产生生产设备腐蚀、环境污染、生产能耗高等问题 ...
李文钊, 王永杰
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四川大学学报. 自然科学版, 1992 乙醇在人和哺乳动物中可诱发胎儿乙醇综合症（FAS）.乙醇对于果蝇亦能引起发育延迟、孵化率下降、形态结构异常和性比失调.但维生素B1、烟酸和烟酰胺有一定的解毒作用.
马欣荣 +5 more
doaj
, 2000 一种甲醇与乙酸乙酯的分离方法，其特征在于：把甲醇、乙酸乙酯（或者还含有水）所组成的混合物输入到萃取蒸馏塔中，于萃取蒸馏塔塔顶供给水作为萃取剂，利用水萃取出甲醇，把甲醇从塔底取出，而从塔顶得到乙酸乙酯和水的混合物，再把萃取蒸馏塔塔顶馏出液和塔底液分别精制，得纯的乙酸乙酯和甲醇。本发明分离效率高，分离效果好 ...
周焕文, 罗洪原, 吴治华
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Zhongguo shiyan zhenduanxue, 2015 头孢呋辛钠是第二代广谱半合成头孢菌素,在临床广泛用于治疗由敏感菌引起的呼吸道、泌尿系感染、皮肤软组织和骨关节感染等。藿香正气水为中药成分解暑药,用于外感风寒、内伤湿滞或夏伤暑湿所致的感冒[1],制备工艺经历乙醇提取阶段,且控制其乙醇含量（40%-50%）可保证藿香正气水有效成分的溶解性和稳定性[2]。双硫仑样反应即应用某些药物后,再饮用或接触乙醇而发生的"乙醇蓄积"的中毒反应 ...
凡炼炼, 于倩, 白凤芝, 郭蔚莹
doaj
, 2004 本发明公开了一种由苯和环氧乙烷在无水三氯化铝催化作用下，制备β-苯乙醇的制备方法，在制备过程中采用定量水解方法得到β-苯乙醇。与现有的烷基化方法相比，苯消耗降低约50％，并可回收副产氯乙醇和聚合氯化铝，消除了含苯酸性废水污染和设备腐蚀 ...
徐杰, 孙志强
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