hexane

美 [hek'seɪn]英 [hek'seɪn]
  • n.【化】己烷
  • 网络正己烷;已烷;乙烷

hexanehexane

hexane

己烷

己烷(Hexane)被加入到水样中并摇晃后,己烷分子会吸附和粘合碳氢化合物的分子,静置片刻后,吸附碳氢化合物的己烷从 …

正己烷

蛋黄以正己烷(hexane)或其他有机溶剂抽出时,所得之脂质称为蛋黄油,而由蛋黄油分离所得之粗制卵磷脂称为蛋黄卵磷脂(eg…

已烷

生物专业英语词汇——词素(词根)部分-考试-生物谷 ... hexahydric 六氢的, hexane 已烷, hexistrol 已雌酚(已即六) ...

乙烷

Hycegas Co.Ltd ... Heptane 庚烷 Hexane (正)乙烷 Hydrazine 肼;联氨 ...

正已烷

2.试剂:正已烷(Hexane) 、正庚烷 (Heptane)、乙酸乙酯(Ethyl acetate) 四.实验步骤(Procedure) 实验步骤 1.联结好仪器系 …

正乙烷

正相色谱使用的流动相极性相对比固定相低,如:正乙烷Hexane),氯仿(Chloroform),二氯甲烷(Methylene Chloride)等。

色谱正己烷

色谱仪器用试剂 供应信息列表- 来宝网 ... Isopropyl Alcohol 色谱异丙醇 Hexane 色谱正己烷 Ethyl Acetate 色谱乙酸乙酯 ...

1
Only three of hexane structures can be named on the basis of the prefixes that have been applied to the pentanes . 只有三种已烷结构可以根据加在戊烷前的词头来命名。
2
But automobiles and gas stations aren't the only sources of benzene, hexane, and other air contaminants, warned one of the researchers. 不过研究人员警告说汽车和加油站不是苯和己烷这样的大气污染物的唯一来源。
3
Representative examples of common hydrocarbon solvents include hexane, toluene, xylene, and mixtures of aliphatic and aromatic hydrocarbons. 代表的例子共同碳氢化合物溶剂包括正己烷,甲苯,二甲苯和脂肪的混合物和多环芳烃。
4
The utility model relates to a crystallizer for hexane diacid production equipment, and belongs to a chemical device. 本实用新型涉及一种适用于生产己二酸装置的结晶器,属化工装置类。
5
characteristic : brownish yellow flow powder with characteristic marigold flower odor . well soluble in water , hexane and vegetable oils. 性状:棕黄色流散性粉末,有菊花的特殊气味。易溶于水、植物油和正己烷。
6
In this article conditional experiments on the amount of n- Hexane and water sample pretreatment for determining parameter were introduced. 并在正己烷用量、水样预处理等测试参数选择上做了条件试验。
7
TESTING WATER. AQUEOUS EFFLUENTS FROM PETROLEUM REFINERIES. DETERMINATION OF ORGANIC MATTERS IN SUSPENSION IN WATER BY HEXANE EXTRACTION. 水的试验.炼油厂含水排出物.乙烷水提取物中悬浮有机物质测定
8
Using this system, lower explosion limits of methane mixing respectively with Hydrogen, Isobutane and normal hexane were determined. 运用该实验系统对分别混有氢气、异丁烷和正己烷的甲烷气体的爆炸下限进行了测定。
9
Animal and vegetable fats and oils - Determination of unsaponifiable matter - Method using hexane extraction. 动植物脂肪和油.不可皂化物质的测定.己烷萃取法
10
Enrich trichloroethylene in water with the method of hexane extraction, and determine it by capillary column gas chromatography. 采用正己烷萃取法对水中三氯乙烯进行富集,用毛细管柱气相色谱法进行测定;
11
METHODS The hydroxyl groups of magnolol were protected using ketal reaction and the products were purified by recrystallization from hexane. 方法将厚朴酚两羟基用缩酮保护,再用正己烷重结晶分离纯化。
12
The nicotine was purified with solvent extraction. Hexane was chosen as the extraction solvent. 溶剂萃取法纯化烟碱,选择正己烷作为萃取溶剂;
13
It is thought that the process of hydrofining in advance and then distillation is of great advantage to produce high-purity hexane. 经进一步探讨,认为先加氢后精馏更有利于制取高纯度正己烷。
14
animal muscle samples were extracted with acetonitrile-water assisted by n-hexane and separated with salting out method. 动物肌肉样品用正己烷配合乙腈-水溶液均质提取,盐析分配。
15
The dialyzed aqueous particle dispersion was extracted several times with n-hexane and stored as such in the refrigerator. 透析后的粒子分散于水中,用正己烷萃取,保存于冰箱中
16
The present invention relates to a quaternary chrome series catalyst for ethylene trimerization to prepare 1-hexane. 本发明涉及一种四元铬系催化剂,用于乙烯三聚制备1-己烯。
17
Hydrocarbons were the major lipid class extracted by hexane or chloroform from the cuticular surface of overwintering gall fly larvae. 碳氢化合物主要油脂类提取正己烷氯仿或从表面角质层越冬虫瘿苍蝇幼虫。
18
Then-hexane internal standard method or the standard gas external standard method is used for detection. 用正己烷内标法或标准气体外标法进行检测。
19
Animal and vegetable fats and oils - Determination of residual technical hexane content. 动植物脂肪和油.残留工业己烷含量的测定
20
The silicoaluminophosphate material has methanol conversion activity and n-hexane cracking activity. 该硅铝磷酸盐材料具有甲醇转化活性和正己烷裂化活性。
21
The sample was cold immersed with hexane acetone, ultrasonic extract, dense H_2SO_4 clean up, the extract liquid was analysed. 人参样品经正己烷—丙酮冷浸泡,超声萃取,磺化法处理后,萃取液直接上机测定。
22
The mixture reagent of hexane and acetone that brings good side-glowing luminance is used to treat the optical fibers' surface. 其中光纤表面采用侧发光处理效果较好的正己烷与丙酮混合试剂处理。
23
ANIMAL AND VEGETABLE FATS AND OILS. DETERMINATION OF LOW CONTENT OF RESIDUAL TECHNICAL HEXANE. 动植物脂肪和油.残留乙烷低含量测定
24
N-hexane, a widely used industrial solvent, has caused many occupational health problems. 正己烷作为溶剂在工业中的广泛应用已导致职业性中毒的发生。
25
Oilseed residues. Determination of total residual hexane. 油料种子残渣.己烷总残留量的测定
26
N-Hexane is highly volatile, highly lipid soluble and consumingly accumulative. 正己烷具有高挥发性、高脂溶性,并有强蓄积作用。
27
Oilseed residues - Determination of oil content - Part 1 : extraction method with hexane (or light petroleum). 含油种子残留物.油含量测定.第1部分:己烷(或石油醚)萃取法
28
When hexane is mixed with equal volume acetone, the yield decreases sharply, which is the same as cyclo hexane mixed with dichloromethane. 非极性溶剂正已烷和等体积性溶剂丙酮混合后,提取率有明显下降。
29
The letter specially mentioned the poisonous N-Hexane is inherently toxic and Chinese law prohibits its use. 这封信特别提到正己烷是一种被中国法律明令禁止使用的有毒物质。
30
Methods: n-hexane and trichloroethylene were detected in 34 organic solvents with Gas Chromatography. 方法:用气相色谱法测定34份有机溶剂中正己烷和三氯乙烯的含量。