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- 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。
- 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。
- Furyl) 3 buten 2 one is synthesized from furfural and acetone in water sodium hydroxide medium. 以呋喃醛(糠醛)为原料,在水-氢氧化钠体系中合成了糠叉丙酮,探讨了丙酮用量,氢氧化钠浓度对反应的影
- 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。
- The septum may be much cooler which can cause high boiling components to recondense. 进样隔垫附近的温度可能会低得多,使得一些高沸点的组分重新冷凝在上面。
- It is practically immiscible with water, has a high boiling point and low vapour pressure. 它特别不溶于水,沸点更高,蒸汽压更低。
- Our company main products: environmentally-friendly high boiling point solvent NME, Wood, Latex. 本公司主要产品:环保型高沸点溶剂NME、木器漆、乳胶漆。
- Hower the corrosion products of the long chain fatty acids of high boiling point chain can dissolve in oil. 高沸点长链脂肪酸腐蚀产物在实际原油加工过程中也是油溶性的。
- 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。
- 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。
- In addition, lower detection limit were obtained in the determination of residual benzene homologues with high boiling points. 该法的精密度比顶空法好,对于测定较高沸点的残留苯系物,检出限也更低。
- The HBS lignin is a new , friendly environmental material, which isreleased from woods ,grasses and straws by using high boiling alcohol as asolvent. 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。
- Diisopropylnaphthalene with high boiling point, low crystalline point and good solution capacity is colourless, odourless and nontoxic. 二异丙基茶具有无色、无味、无毒、沸点高、结晶点低和溶解能力强等优点,作为生产这种复写纸的新溶剂已获得广泛应用。
- Keywords furyl) 3 buten 2 one;furfural;acetone;reaction condition; 关键词糠叉丙酮;呋喃醛;丙酮;反应条件;
- Among fluorine, chlorine and bromine, bromine has the highest boiling point. 在氟、氯、溴三者中,溴的沸点最高。
- 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。
- 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、准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. 二苄基甲苯沸点高,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。
- The advances of components, treatment and comprehensive utilization of high boiling silane resulting from the synthesis of organo-silicone were introduced. 介绍了合成有机硅过程中产生的硅烷高沸物的组成、处理方法及其综合利用技术进展情况。
- Vaporisation from the needle on initial entryof the syringe into the injector, before the syringe plunger is depressed, can result in partial loss of high boiling components. 当注射器针尖插入汽化室后,在压下注射器柱塞杆之前,会引起高沸点组分的损失。