high boiling
高沸点的
2026-04-13 09:42 浏览次数 24
高沸点的
1. boiling at a relatively high temperature
vacuum pump is a relatively sophisticated equipment, it's working medium is a special high boiling point, low-volatile oil pump, its effectiveness depends on the mechanical pump and pump oil quality.
真空油泵是一种比较精密的设备,它的工作介质是特制的高沸点、低挥发的泵油,它的效能取决于油泵的机械结构和泵油的质量。
the hbs lignin is a new type of lignin, which is released from woods, grasses and straws by using high boiling alcohol as a solvent.
高沸醇木质素(以下简称hbs木质素)是一种利用高沸醇溶剂法从植物原料中提取得到的木质素。
non-azeotropic refrigerant mixtures r23/r22 is used as working fluid. the rectifying column is employed to separate high boiling component, low boiling component and lubricant.
本文的循环采用非共沸混合工质r23/r22作制冷剂,利用精馏装置分离高沸点、润滑油与低沸点组分。
suffice it to say that the unusually high boiling point of acetic acid.
只要谈一下醋酸的不寻常的高沸点就行。
low boiling point of aldehydes have such as formaldehyde, aldehyde, high boiling point of aldehydes have furfural, d, e aldehyde, self aldehydes aldehydes, etc.
低沸点的醛类有甲醛、乙醛等,高沸点的醛类有糠醛、丁醛、戊醛、己醛等。
this paper studies the methods of extracting essential oil from the residue of eucalyptus globules leaf oil in order to resolve the tough problems about high boiling point and high viscosity.
本文针对蓝桉叶油脚油黏度大,所含精油组分沸点高,提取困难等问题,对蓝桉叶油脚油中精油的提取方法、精油组分的分析以及单一组分的分离进行研究。
recovery high boiling solvents(rhbs) is able to recycle as a pulping solvent.
回收的高沸醇溶剂,可作为制浆溶剂循环使用。
the traditional method for making paper is pulped by digestion with sulfite or alkali, but rarely done by high boiling solvent (hbs).
传统的造纸方法主要是亚硫酸盐或堿煮法制浆,用高沸醇溶剂制浆在国内外还没有产业化,研究论文也很少。
heat set ink: letterpress and offset inks which dry under the action of heat by evaporation of their high boiling solvent.
热固油墨:活版及柯式用油墨。热力使它的高温沸腾溶剂蒸发而干燥。
it is worthy of applying to study the volatile flavor substances at high boiling point in kiwi fruit wine.
本方法对于猕猴桃酒中高沸点挥发性风味物质研究具有重要的应用价值。
the result indicate that compare with the pineapple wine, mix fermented fruit wine contain more high boiling point material; the fruit aroma is stronger and lasting longer.
结果表明,与菠萝果酒相比,混酿果酒含有更多中、沸点的香气物质,产品的果香浓郁,留香持久。
the main products of the company are: petroleum (hydrocarbon) resin, petroleum naphthalene, and high boiling point aromatic etc, with more than 30 varieties.
公司主要产品有:石油树脂、石油萘、高沸点芳烃系列等30多个品种。
the second is the high boiling point of antifreeze.
第二个是防冻液的沸点高。
water absorption could effectively remove high boiling point ethylene glycol, and equilibrate total hydrocarbons concentration by absorption and stripping of acetic aldehyde.
水吸收可以有效脱除高沸点的乙二醇,通过对乙醛的吸收、解吸作用使废气的总烃浓度得到均匀化处理;
high boiling silicone containing activity is the base of group oxygen, easy solidified into methyl silicone membrane.
高沸硅油是含有活性甲氧基、乙氧基基团的甲基硅油,容易固化成膜。
no odor from mould, high boiling fraction of petrol, fish, aromatic hydrocarbons or perfume.
无霉味、高沸石油馏份气味、鱼腥味、芳香烃或香水味。
hbs(high boiling solvent)lignin was extracted from pine of rice straws by using high boiling alcohol as a solvent.
高沸醇(hbs)木质素是用高沸醇溶剂法从松木、稻草中提取的一种新型的环保材料。
a method of detecting low and high boiling components contained in vcm quickly and accurately by gas chromatography and gc working station is introduced.
介绍了用气相色谱仪及色谱工作站快速、準确地检测氯乙烯单体中高、低沸物的方法。
dibenzyltoluene(dbt) has high boiling point, low melting point, good heat-stability and similar physical and thermal properties to those of hydrogenated triphenyl.
二芐基甲苯沸点高, 凝固点低,热稳定性好,其理化及热学性质与氢化三联苯相近。
an extremely low freezing point and high boiling point, for low temperature and overheat engine provide good protection.
极低的冰点和较高的沸点,对低温和过热的发动机提供良好的保护。
dmc, which has advantages of high oxygen contents, high boiling point and good mutual solubility with diesel fuel, is very suitable to be used as fuel additive.
dmc具有含氧量高、沸点高、与柴油互溶性好等特点,特别适合作为柴油机的燃料添加剂。
ase can extract the substances such as acids. terpenes, aldehyde ketones and the big polar alcohols with low boiling point as well as the high boiling point.
ase除了萃取低沸点的萜类外,还有高沸点酸类、萜类、醛酮类和大极性醇类。
the oxidation degradation of high boiling solvent lignin by hydrogen peroxide was researched on solid super acids catalyst and the products were analyzed by ftir and gc-ms.
在固体超强酸催化下用过氧化氢氧化降解高沸醇木质素,并利用红外光谱和气相色谱―质谱联用(gc-ms)分析降解产物。