Its main components include propane, butane and butylene.

Butane and butylenes has the same characteristic with propane and propylene.

丁烯与丁烷表现出与丙烯、丙烷相似的特性.

The application ofp-toluene sulfonic acid as catalyst for synthesis of carboxylic ester ( ethyl butyrate ) is studied.

研究了对 甲苯 磺酸作为催化剂在羧酸酯 ( 丁酸乙酯 ) 合成中的应用.

Synthetic method of butyl butyrate was investigated using silicotungstic acid catalyst absorbed on activated carbon.

用活性炭固载硅钨酸催化剂催化合成了丁酸丁酯.

Isoamyl butyrate was synthesized by using gallium sulfate supported on silica gel as the catalyst.

以自制的硅胶固载硫酸镓为催化剂,正丁酸和异戊醇为原料合成了丁酸异戊酯.

Objective : To study the mechanism of sodium butyrate ( NaB ) on human ovarian cancer cell line 3 AO.

目的: 研究丁酸钠逆转人卵巢癌3AO细胞恶性表型的机制.

The nano fibers from cellulose acetate butyrate ( CAB ) were prepared via electrospinning.

应用静电纺丝法制备了醋酸丁酸纤维素纳米纤维.

Butyrate salt series: sodium butyrate. calcium butyrate, zinc butyrate.

丁酸盐系列: 丁酸钠, 丁醋钙,丁酸锌等.

Isoamyl butyrate was synthesized by using ceric sulfate as the catalyst.

以硫酸高铈为催化剂,正丁酸和异戊醇为原料合成了正丁酸异戊酯.

Isoamyl butyrate was synthesized by using potassium bisulfate as the catalyst.

以硫酸氢钾为催化剂,正丁酸和异戊醇为原料合成了正丁酸异戊酯.

Benzyl butyrate was synthesized by using potassium bisulfate as the catalyst.

以硫酸氢钾为催化剂,丁酸和苄醇为原料合成丁酸苄酯.

I want one pile popcorn, be butyric flavor.

我要一大堆爆米花, 是奶油味的.

Butyric. Rancid odour of some spoiled wines.

坏奶油味的: 描述一些破败葡萄酒所散发出的腐臭气味.

To understand the antagonism of Clostridium butyric and Bifidobacterium infants to v.

了解酪酸梭菌和婴儿型双歧杆菌单独及混合培养时对霍乱弧菌的拮抗作用.

In VFA, aluminum compounds have more serious inhibitation to acid and butyric acid contrasting propionic acid.

试验后通过对厌氧微生物液体培养基VFA组分的测定,发现铝盐对乙酸和丁酸的抑制作用较丙酸更强烈些.

Several kinds of extractants of the alcohol-water systems such as phenol, butyric acid etc were predicted.

预测苯酚 、 丁酸等可望作为 醇水 体系的萃取剂.

Any of three isomeric glyceryl esters of butyric acid , naturally present in butter.

丁酸的三种同分异构甘油酯的任一种.

Using sodium bisulfate as the catalyst, butyl butyrate was synthesized from butyric acid and butanol.

以硫酸氢钠为催化剂, 丁酸与丁醇为原料合成了丁酸丁酯.

The cyclohexyl butyrate was synthesized by esterification of butyric acid with cyclohexanol under microwave irradiation.

探讨了在微波辐射下以丁酸和环己醇为原料直接酯化合成丁酸环己酯的方法.

According to analyze the broth , it was found that fermentation type was butyric acid-type.

经过分析发酵液组成确定发酵类型以“丁酸型”为主.

Disclosed is a method to prepare 2.2-dimethylol butyric acid, belonging to dimethylol butyric acid technical field.

一种2.2-二羟甲基丁酸的制备方法, 属于二羟甲基丁酸技术领域.