To get to the bottom of this, a chemist recently took bone from the mummy of a Nubian child and dissolved it in hydrogen fluoride, a nasty acid that helps extract tetracycline. 为了弄清真相,最近,有一位化学家从一名努比亚儿童木乃伊身上提取了部分骨骼,将其溶解于氟化氢,这种极具腐蚀性的酸可用于提取四环素。
An HPLC-ELSD method was established for the determination of ursodeoxycholic acid and chenodeoxycholic acid in the extract of bear biliary drainage powder. 建立了HPLC-ELSD法测定熊胆粉提取物中的熊去氧胆酸和鹅去氧胆酸。
Study on enzymatic hydrolysis of hyaluronic acid's primary extract from squid eyes 鱿鱼眼提取透明质酸去蛋白质酶解工艺研究
Inhibition of Fatty Acid Synthase with Extract of Oiltea Seed 油茶籽提取物对脂肪酸合酶的抑制作用
Collagen, Hyaluronic Acid, the extract of Australe, Panax, Barm and Liquorice etc. 胶原蛋白、透明质酸、灵芝提取液、人参提取液、酵母提取液、甘草提取精华等。
Study on Improved Utilization of Hop Polyphenols with Supercritical CO_2 Extraction Research of Isomerization Technology of Preparation Iso-α-acid Hop Extract from Hop Extract 超临界萃取啤酒花浸膏及其萃余物中多酚化合物提取的研究利用酒花浸膏制备异α-酸酒花浸膏的异构化工艺
Research on Decoloration of Shikimic Acid Extract with Macroporous Resin 大孔吸附树脂对莽草酸粗提液的脱色研究
The effects that alcohol activates Ca in different consistence, different calcine time, different ratio of and lactic acid extract Ca from oyster shell were studied in this paper. 为充分利用牡蛎壳的钙资源,对乙醇在不同浓度、不同烧煮时间、不同配比条件对牡蛎壳粉中钙的活化效果及不同浓度的乳酸对活性钙的提取效果进行了研究。
Main compositions: Lactipeppermint, Thermal water extract, Dissolubility hyaluronic acid, Extract of sweet tea, Iyophilic sodium PCA. 主要成份:乳酸薄荷脂、温泉水精华、溶性透明质酸、甜茶萃取液、亲水性保湿因子。
Isolation and identification of chemical constituents from acid hydrolyzed extract of kernel of Castanea mollissima Blume 板栗种仁酸水解物化学成分的分离与鉴定
HPLC determination of chlorogenic acid in dandelion extract 高效液相色谱法测定蒲公英提取物中绿原酸含量
A new method for the determination of oxalic acid in liquorice extract by ion chromatography was established. 建立了用离子色谱测定甘草提取物中残留草酸含量的新方法。
A non-fluorescent anti-caving filtrate-loss controller, KH-931, for drilling mud is prepared starting from humic acid ( extract of lignite), acrylamide and acrylonitrile. KH-931是以褐煤、丙烯酰胺、丙烯腈为原料制得的无荧光防塌降失水剂。
Methods Using Ultrasonic chatter combined Alkali dissolving Acid sedimentation to extract Rutin. 方法利用超声波振动结合碱溶酸沉法中试提取芦丁。
Chlorogenic acid in extract of the stem and Leaf of Lonicera japonica, coprecipitated with β-cyclodextrin, and was separated. 用β-环糊精作载体,使与金银花茎叶提取液中的绿原酸共沉淀,以达到药用成份的分离。
Results Additives relating to the biosynthesis of coenzyme Q10, such as ρ-hydroxybenzoic acid, carrot extract, tomato extract and tobacco, can separately increase the output of coenzyme Q10 by 6.3%, 9.0%, 18.1%, 12.1%. 结果添加与辅酶Q10的合成有关物质如对羟基苯甲酸、胡萝卜汁、西红柿汁及烟叶,均能提高辅酶Q10的产量,分别提高6.3%、9.0%、18.1%、12.1%。
The paper describes using IM hydrochloric acid to extract aswell as using the wet ashing method to treat tree samples* roots, branches, bark and leaves. 本文介绍用1M盐酸浸提树木样品&根、枝、皮、叶并且用湿灰化法对该样品加以处理。
The antigen application of thymoma associated antigen& citric acid extract of human skeletal muscle 胸腺瘤相关抗原&人骨骼肌柠檬酸提取物的抗原应用研究
A Study on Correlation of Myasthenia Gravis with Seral Acetylcholine Receptor Antibody, Pre-synaptic Membrane Antibody, and Citric Acid Extract Antibody 血清乙酰胆碱受体抗体、突触前膜抗体和胸腺瘤相关抗体与重症肌无力发病关系的研究
Objective To study the effect of exogenous nucleic acid extract on the expression of thymocyte IL 7 mRNA and CD127 ( IL 7 receptor) in natural aging mice. 目的探讨外源性核酸对自然衰老小鼠胸腺细胞IL7mRNA和CD127(IL7受体)表达的影响。
Diesel oil sulfoxide can selectively extract citric acid. The extract is free from Ca~ ( 2+) and Mg~ ( 2+), but Fe~ ( 3+) can not be removed. 石油亚砜萃取含Ca~(2+)、Mg~2和Fe~(3+)的柠檬酸时能选择性萃取柠檬酸,但Fe~(3+)能同时被萃取。
Discovered the water extract fluid of mulberry leaf and the hydrochloric acid extract fluid of mulberry leaf light absorption curve is similar. 发现桑叶的水萃取液和盐酸萃取液的光吸收曲线相似。
Analysing the acid extract with SDS-PAGE system indicated the protein band of 31 000 molecular weight to be common antigen. SDS-PAGE分析,显示该菌共同抗原分子量为31000。
The optimum conditions for acid-extracting-pectin method appeared to be to regulate pH to 2. 0 using tartaric acid and extract at 90 C for 120 min. 酸法果胶的最佳条件,是在加3倍水,pH值2.0,90℃下,用化学纯酒石120min。
Objective To study thymoma specific associated antigen in citric acid extract of human skeletal muscle ( CAE). 目的研究人骨骼肌柠檬酸提取物(CAE)中胸腺瘤特异相关抗原成份。
Boiling technique was used to study the effect of each factor and level on α-acid isomerization by single factor and orthogonal experiment design. The optimal parameter to produce isomeric hop extract with α-acid hop extract as raw materials was obtained. 采用煮沸工艺,通过单因素和正交试验研究了各因素水平对α-酸异构化率的影响,优化了以α-酸酒花浸膏为原料制备异构酒花浸膏的最佳工艺参数。
Of the identified 82 peptides, 66 were identified in the acetic acid extract and 26 in the urea extract. 在鉴定的82个多肽中,66个多肽从乙酸提取物中鉴定到,26个从尿素提取物中鉴定到。