英语人>网络例句>脱醇 相关的搜索结果
网络例句

脱醇

与 脱醇 相关的网络例句 [注:此内容来源于网络,仅供参考]

The removal rate of methyl mercaptan and ethanethiol and its effect factors were mostly studied on kineties.

从脱臭反应动力学角度讨论了生物法脱除恶臭成分甲硫醇和乙硫醇的速率及影响因素。

In this paper, high purity inositol was prepared through acidic hydrolysis of phytin, anion exchange chromatography of the resulting phytic acid, high pressure and high temperature hydrolysis of the eluted sodium phytate solution, resin chromatographic decolorization of the inositol as released, and electrodialytic desalination.

本文以菲丁为原料,通过对阴离子交换树脂吸附、解吸植酸,植酸钠水解,离子交换树脂脱色,电渗析脱盐等工艺过程的研究,制备了高纯肌醇。

This is because in the thick enzyme fluid simultaneously includes many kinds of enzymatic systems, like pyruvic acid decarboxylase, alcohol dehydrogenase and so on.

这是因为粗酶液中同时含有多种酶系,如丙酮酸脱羧酶、醇脱氢酶等。

This paper details an efficient method for a one-step transformation of the trityl ether to the acetonide. Treatment of trityl ether with a mixture of trifluoroacetic acid, 2,2-dimethoxy propane and camphorsulfonic acid as catalyst in dichloromethane through detritylation followed by acetonization gave the acetonide in high yield.

介绍了一种新的高效的由三苯甲基醚直接生成丙酮化合物的方法,也就是使三氟乙酸条件下脱三苯甲基的反应和生成丙酮化合物的反应在一个反应瓶中同时进行,使脱三苯甲基作用后生成的醇继续反应得到高产率的丙酮化合物。

The object of this study is to evaluate the immunoregulation and anti-tumor activities of Arnebia root polysaccharide in vitro. The ARPS was obtained by hot-water extraction, alcohol precipitation, de-protein, de-color, and dialysis etc. from Arnebia root and was administered on mouse spleen lymphocyte and tumor cell with 24 μgmL^(-1), 121 μgmL^(-1), 364 μgmL^(-1), respectively.

为研究紫草多糖在体外对小鼠脾淋巴细胞的免疫调节活性及对肿瘤细胞的细胞毒作用,本实验采用水提醇沉法,经脱蛋白、脱色、透析等方法提取紫草多糖,MTT法检测紫草多糖对淋巴细胞增殖及对HepG2、SPC-A-1肿瘤细胞的杀伤作用。

The results show that the dehydration efficiency improves with the increase of the amount of butanol during the continuous distillation dehydration process;the first four coordinated water molecules in bischofite can be more easily taken away than the last two coordinated water molecules,especially the last one;the ultrasonic pretreatment of the bischofite bu...

研究结果表明:在连续蒸馏法脱水过程中,水氯镁石的脱水率随着丁醇用量的增加而提高;水氯镁石最初4个结晶水分子较容易脱除,后2个结晶水特别是最后1个结晶水难以脱除。

Methods:GroupⅠ:fresh bovine pericardium was acellularized with Courtman's method and fixed with glutaraldehyde;GroupⅡ:first treated as GroupⅠ,then was modified with2,3-butanediol.

方法Ⅰ组新鲜牛心包片经Courtuman法脱细胞后用戊二醛(GA固定;Ⅱ组脱细胞及固定方法同Ⅰ组,随后用2,3丁二醇改性。

The effect of deacidification was studied by the temperature, airspeed, alcohol-oil ratio and typies of the catalysts, and it taked experiments on regeneration, life and the renewable effect of deacidification of the catalyst.

本课题从温度、空速、醇油比、催化剂类型等方面对催化剂的脱酸效果作了研究,并对催化剂的再生,使用寿命,再生后的脱酸效果进行了实验。

The original desulfurizing process used hydramine solvent to deprivate most H2S, then carried out alkali wash and water wash. But organosulfur removal was so difficult that individual qulity data of liquid gas were instability and below grade, such as copper sheet corrosion. Furthermore, treatment of alkali residue was very difficult.

装置原采用醇胺溶剂脱除大部分H2S后再采用碱洗、水洗工艺,有机硫难脱除,液化气个别质量指标如铜片腐蚀不稳定,经常不合格;同时碱渣的处理也较困难。

First, removing protein by Sevage method. According to literature, it had best efficiency when polysaccharide liquid 2mg·mL~(-1) was treated with chloroform: n-butanol (3:1) and repeated for 3 times. Second, moving pigment with H_2O_2. In order to shorten the time and prevent the broken of structure of polysaccharide, the experiment was operated at 37℃. The following were dialyzation, concentration(60℃) and freeze-drying.

首先Sevage法除蛋白,根据文献,确定氯仿:正丁醇为3:1,多糖浓度2mg·mL~(-1)时,重复三次,除蛋白效果最佳;脱色采用了双氧水氧化法,为加快脱色时间,又要避免双氧水对多糖结构的破坏,实验在37℃下进行;透析、浓缩、干燥过程同样为了保证多糖结构的完整性和提取后物质疏松易溶解,先透析,然后60℃浓缩,最后是冷冻干燥。

第6/16页 首页 < ... 2 3 4 5 6 7 8 9 10 ... > 尾页
推荐网络例句

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务,乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐,因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。

Closes the eye, the deep breathing, all no longer are the dreams as if......

关闭眼睛,深呼吸,一切不再是梦想,犹如。。。。。。