hexane
美 [hek'se?n] 
英 [hek'se?n]
英漢解釋
英英解釋
例句
Only three of hexane structures can be named on the basis of the prefixes that have been applied to the pentanes .
只有三種已烷結構可以根據(jù)加在戊烷前的詞頭來命名。
But automobiles and gas stations aren't the only sources of benzene, hexane, and other air contaminants, warned one of the researchers.
不過研究人員警告說汽車和加油站不是苯和己烷這樣的大氣污染物的唯一來源。
Representative examples of common hydrocarbon solvents include hexane, toluene, xylene, and mixtures of aliphatic and aromatic hydrocarbons.
代表的例子共同碳氫化合物溶劑包括正己烷，甲苯，二甲苯和脂肪的混合物和多環(huán)芳烴。
The utility model relates to a crystallizer for hexane diacid production equipment, and belongs to a chemical device.
本實用新型涉及一種適用于生產(chǎn)己二酸裝置的結晶器，屬化工裝置類。
characteristic : brownish yellow flow powder with characteristic marigold flower odor . well soluble in water , hexane and vegetable oils.
性狀：棕黃色流散性粉末，有菊花的特殊氣味。易溶于水、植物油和正己烷。
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、水樣預處理等測試參數(shù)選擇上做了條件試驗。
TESTING WATER. AQUEOUS EFFLUENTS FROM PETROLEUM REFINERIES. DETERMINATION OF ORGANIC MATTERS IN SUSPENSION IN WATER BY HEXANE EXTRACTION.
水的試驗.煉油廠含水排出物.乙烷水提取物中懸浮有機物質測定
Using this system, lower explosion limits of methane mixing respectively with Hydrogen, Isobutane and normal hexane were determined.
運用該實驗系統(tǒng)對分別混有氫氣、異丁烷和正己烷的甲烷氣體的爆炸下限進行了測定。
Animal and vegetable fats and oils - Determination of unsaponifiable matter - Method using hexane extraction.
動植物脂肪和油.不可皂化物質的測定.己烷萃取法
Enrich trichloroethylene in water with the method of hexane extraction, and determine it by capillary column gas chromatography.
采用正己烷萃取法對水中三氯乙烯進行富集，用毛細管柱氣相色譜法進行測定；
METHODS The hydroxyl groups of magnolol were protected using ketal reaction and the products were purified by recrystallization from hexane.
方法將厚樸酚兩羥基用縮酮保護，再用正己烷重結晶分離純化。
The nicotine was purified with solvent extraction. Hexane was chosen as the extraction solvent.
溶劑萃取法純化煙堿，選擇正己烷作為萃取溶劑；
It is thought that the process of hydrofining in advance and then distillation is of great advantage to produce high-purity hexane.
經(jīng)進一步探討，認為先加氫后精餾更有利于制取高純度正己烷。
animal muscle samples were extracted with acetonitrile-water assisted by n-hexane and separated with salting out method.
動物肌肉樣品用正己烷配合乙腈-水溶液均質提取，鹽析分配。
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
The present invention relates to a quaternary chrome series catalyst for ethylene trimerization to prepare 1-hexane.
本發(fā)明涉及一種四元鉻系催化劑，用于乙烯三聚制備1-己烯。
Hydrocarbons were the major lipid class extracted by hexane or chloroform from the cuticular surface of overwintering gall fly larvae.
碳氫化合物主要油脂類提取正己烷氯仿或從表面角質層越冬蟲癭蒼蠅幼蟲。
Then-hexane internal standard method or the standard gas external standard method is used for detection.
用正己烷內(nèi)標法或標準氣體外標法進行檢測。
Animal and vegetable fats and oils - Determination of residual technical hexane content.
動植物脂肪和油.殘留工業(yè)己烷含量的測定
The silicoaluminophosphate material has methanol conversion activity and n-hexane cracking activity.
該硅鋁磷酸鹽材料具有甲醇轉化活性和正己烷裂化活性。
The sample was cold immersed with hexane acetone, ultrasonic extract, dense H_2SO_4 clean up, the extract liquid was analysed.
人參樣品經(jīng)正己烷—丙酮冷浸泡，超聲萃取，磺化法處理后，萃取液直接上機測定。
The mixture reagent of hexane and acetone that brings good side-glowing luminance is used to treat the optical fibers' surface.
其中光纖表面采用側發(fā)光處理效果較好的正己烷與丙酮混合試劑處理。
ANIMAL AND VEGETABLE FATS AND OILS. DETERMINATION OF LOW CONTENT OF RESIDUAL TECHNICAL HEXANE.
動植物脂肪和油.殘留乙烷低含量測定
N-hexane, a widely used industrial solvent, has caused many occupational health problems.
正己烷作為溶劑在工業(yè)中的廣泛應用已導致職業(yè)性中毒的發(fā)生。
Oilseed residues. Determination of total residual hexane.
油料種子殘渣.己烷總殘留量的測定
N-Hexane is highly volatile, highly lipid soluble and consumingly accumulative.
正己烷具有高揮發(fā)性、高脂溶性，并有強蓄積作用。
Oilseed residues - Determination of oil content - Part 1 : extraction method with hexane (or light petroleum).
含油種子殘留物.油含量測定.第1部分：己烷（或石油醚）萃取法
When hexane is mixed with equal volume acetone, the yield decreases sharply, which is the same as cyclo hexane mixed with dichloromethane.
非極性溶劑正已烷和等體積性溶劑丙酮混合后，提取率有明顯下降。
The letter specially mentioned the poisonous N-Hexane is inherently toxic and Chinese law prohibits its use.
這封信特別提到正己烷是一種被中國法律明令禁止使用的有毒物質。
Methods: n-hexane and trichloroethylene were detected in 34 organic solvents with Gas Chromatography.
方法：用氣相色譜法測定34份有機溶劑中正己烷和三氯乙烯的含量。
n-hexane can also increase the proportional of apoptosis and cellular necrosis of the rats' hepatic cell.
正己烷對大鼠肝臟的損傷作用會引起肝細胞凋亡和壞死比例的增加。
Objective To analyze the outcomes of subacute N-Hexane toxicity.
目的研究亞急性正己烷中毒所致周圍神經(jīng)病的轉歸。
Premium quality, unrefined flax seed oil is hexane - free.
素力高的亞麻籽油是質量一流的，冷壓提煉和不含乙烷的。
Prolonged exposure to n-hexane is known to cause problems with fertility and other issues.
長期暴露于正已烷被認為會引起一些生育和其他方面的問題。
n-hexane and benzene repeatedly to obtain PVAc powder.
正已烷，苯多次獲得聚醋酸乙烯酯粉末。
when nonelectrondonor agent like hexane or cyclohexane is used as the reaction solvent, there is no product formed.
在無給電子能力的烴類溶劑中如正己烷、環(huán)己烷中，沒有得到任何反應產(chǎn)物。
The highest activities of protease, lipase, and amylase were found inn-hexane treated squid viscera samples comparing to SCO2 treated.
與SCO2處理的相比，經(jīng)正己烷處理的魷魚內(nèi)臟樣品蛋白酶、脂肪酶及淀粉酶有最高酶活。
The second hexane wash may be decanted off and the wet solid screened.
第二次的乙烷洗液可以除掉，濕的固體進行過篩。
Methods Less toxic solvents such as cyclohexane, n-hexane, petroleum ether and chloroform were compared with benzene and toluene.
方法用毒性較小的溶劑環(huán)己烷、正己烷、石油醚和三氯甲烷等取代苯或甲苯。
The process of producing hexane from 6# solvent oil by distillation and hydrofining is discussed.
以6#溶劑油為原料，通過精餾和加氫精制的方法可制取正己烷。
