用氯仿将有机质提取出来并称重。
他是农业化学的奠基人,氯仿的发现者。
He was the founder of agricultural chemistry and the discoverer of chloroform.
通过改良酚氯仿抽提法提取粪便dna。
DNA was extracted from stools by phenol chloroform extracting method.
目的总结氯仿中毒患者的临床表现及诊断方法。
Objective To summarize the clinical manifestations and diagnostic methods of patients with chloroform poisoning.
毫无疑问,氯仿是含碳?卤键的最重要的化合物之一。
Without doubt chloroform is one of the most important compounds containing a carbon - halogen bond.
叶的甲醇抽提物活性高于氯仿抽提物和石油醚抽提物。
The insecticidal activity of methanol extract was higher than that of chloroform extract and petroleum extract.
结论四妙勇安汤原方及氯仿萃取部位具有显著的抗炎作用。
CONCLUSION The original prescription of Simiao Yongan Decoction and chloroform extraction locations have marked anti-inflammatory effect.
甲缩醛为无色澄清易挥发可燃液体,有氯仿气味和刺激味。
Methylal is clear colorless volatile flammable liquid, chloroform and pungent odor.
因此,通过四氯化碳催化氢化脱氯生成氯仿显得尤为重要。
Therefore, it is important for the catalytically hydro dechlorination of carbon tetrachloride to chloroform.
内战期间,氯仿是首要的麻醉工具用于减轻截肢及其它手术带来的痛苦。
During the Civil War, chloroform was used whenever it was available to reduce the pain and trauma of amputation or other procedures.
不建议使用于强酸、硝基烃、酯类、氯仿及酮类的化学物之中。
Not recommended for use in chemical acid, nitro hydrocarbons, esters, ketones and compounds in chloroform.
结果表明,常规酚—氯仿抽提法适合从马血中大量提取DNA。
The result shows that routine phenol-chloroform method was adapt to extract a mass of DNA.
目的:测定冬虫夏草多糖脂质体口服液中有机溶剂氯仿残留量。
OBJECTIVE To determine the contents of residual volatile organic solvents, chloroform, in cordyceps Polysaccharide liposomes oral liquid.
氯仿和丙酮喜欢呆在一起,因为丙酮上的氧与氯仿中的氢,有氢键作用。
Chloroform and acetone are happy together because of the hydrogen bonding between the oxygen here and the hydrogen in chloroform.
结论经氯仿处理后皮肤的屏障功能降低,与皮肤接触氯仿的水平相关。
CONCLUSIONS Skin barrier function decreased after exposed to chloroform, and related with the exposed level of chloroform.
在他狱内写的一封信上,他将其问题归咎于氯仿,声称攻击发生之前他变得很兴奋。
In a letter he wrote from jail, he blamed chloroform for his problems, claiming that he'd gotten high before the attack.
用氯仿与苯甲醚混合溶剂提取斑蟊素和配标样,重现性好,提取效率高。
The mixture of chloroform and anisole is used to replace chloroform or acetone with better results in cantharidin abstraction efficiency and reappearance.
方法双氯芬酸钠与过量的亚甲基蓝反应生成一能被氯仿萃取的蓝色配合物。
Methods Based on a chloroform extractable blue ion association which diclofenac sodium reacted with an excess of methylene blue.
尤其在20世纪,氯仿因被发现对实验室中的小白鼠有致癌效果而饱受攻击。
Chloroform in particular came under attack in the 20th century, and was shown to be carcinogenic by ingestion in laboratory mice and rats.
以蛋白酶K消化、苯酚及氯仿抽提以及异丙醇沉淀的方法提取全基因组DNA。
DNA was extracted by proteinase K digestion, phenol and chloroform extraction as well as isopropanol precipitation.
使用固相微萃取装置用气相色谱电子捕获检测器测定饮用水中氯仿和四氯化碳。
By using solid phase microextraction instrument, chloroform and tetrachloromethane in drinking water was detected in ECD of gas chromatography.
酶浸法和氯仿法提取马钱子生物总碱的产率分别为:2.85%、1.86%。
The contents of total alkaloids extracted by two methods were 2.85% and 1.86 respectively.
但是,结果已经发生了很大变化,可能是因为对人类活动生成的甲醇氯仿物估计不准造成的。
But the results varied widely, possibly because of inaccurate estimates of methyl chloroform released by human activities.
结果用氯仿做溶媒时苦参中苦参碱的含量明显低于用甲醇或酸性甲醇做溶媒时的含量。
Results It is evident that the content of matrine in Sophora flavescens using chloroform as solvent is less than using methanol or acid methanol.
用数字式心电图机记录蟾蜍用氯仿熏前、熏后即刻和恢复正常呼吸后的心电图的变化。
The changes of ECG in toad before, at the same time and after normal respiration by using chloroform are recorded through digital ECG machine.
介绍了以甲醇钠甲醇溶液与氯仿为原料,采用共沸蒸馏法制备原甲酸三甲酯的改进工艺。
An improved method of synthesizing trimethyl orthoformate through azeotropic distillation by taking sodium methoxide in methanol and chloroform as raw materials has been presented by the author.
继用氯仿-四氢呋喃-水(500:500:8)为流动相,梯度洗脱其他强保留组分。
Chloroform - tetrahydrofuran - water (500:500:8) was used as mobile phase for the gradient elution of other strongly retained substances.
从南极永久性积雪空气分析大气卤烃的历史:甲基溴化物,甲基氯化物,氯仿和二氯甲。
Atmospheric histories of halocarbons from analysis of Antarctic firn air: methyl bromide, methyl chloride, chloroform, and dichloromethane.
从南极永久性积雪空气分析大气卤烃的历史:甲基溴化物,甲基氯化物,氯仿和二氯甲。
Atmospheric histories of halocarbons from analysis of Antarctic firn air: methyl bromide, methyl chloride, chloroform, and dichloromethane.
应用推荐