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hexane

美 [hek'seɪn]英 [hek'seɪn]

n.【化】己烷
网络正己烷；已烷；乙烷

hexane

hexane

英-汉英-英网络释义

hexane

n.

1.【化】己烷

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

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。

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

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

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

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

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。

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