研究人员使用的方法是将咖啡渣隔夜使其干燥，然后放入一些常见的化学溶剂中，例如正己烷、乙醚和二氯甲烷，来溶解咖啡渣中的油类成分。
The researchers start off by drying their coffee grounds overnight and then pour in some common chemical solvents, such as hexane, ether and dichloromethane, to dissolve the oils.
氢化的大豆，玉米，和油菜籽油-装有危险的反式脂肪和有毒正己烷溶剂处理-定期包装食品。
Hydrogenated soy, corn, and canola oils - loaded with dangerous trans-fats and processed with toxic hexane solvents - are routinely added to packaged foods.
最佳的脱脂溶剂为正己烷。
这表明采用加速溶剂提取技术，可用价格较低的甲醇取代昂贵的正己烷和丙酮。
Therefore, it is possible to use the cheap solvents (mixture of methanol and water) instead of the expensive hexane and acetone when the Accelerated Solvent Extraction method is employed.
以环己烷作溶剂、萘为溶质测得萘摩尔质量的相对误差均在1%以内。
With the hexamethylene as solvent and naphthalene as solute, the relative error of molar mass of naphthalene measured is not much as 1%.
设计合成一系列具有不同取代基的苯甲酰萘（苯）胺衍生物，测定它们在非极性溶剂环己烷中的荧光发射光谱。
A series of prar-and meta-substituted benzanilides were synthesized and their fluorescence spectra in nonpolar solvent cyclohexane were investigated.
在无任何外加溶剂及共还原剂的条件下，应用此高分子金属卟啉作为催化剂，选择性地催化空气氧化环己烷为环己酮和环己醇。
This macromolecular metalloporphyrin was used as the catalyst for the first time for cyclohexane oxidation to cyclohexanol and cyclohexanone with air in the absence of additives or solvents.
建立了毛细管气相色谱法测定甲磺酸齐拉西酮中残留溶剂乙醇、异丙醇、二氯甲烷、正己烷、四氢呋喃、D MF、丙二酸二甲酯的残留量。
A capillary GC method with FID detector for the determination of residual organic solvents ethanol, isopropanol, dichloromethane, n-hexane, tetrahydrofuran, DMF and dimethyl malonate was established.
再采用顶空气相色谱法检测所得苹果多酚纯化物中正己烷、苯、甲苯、对二甲苯、邻二甲苯、苯乙烯等有机溶剂残留均低于检测限。
There were not n-hexane, benzene, toluene and xylene, o-xylene, styrene and other organic solvent residue in the purification of apple polyphenol by the headspace gas chromatograph.
结果表明，正己烷和石油醚作提取溶剂效果较好。
It was found that both n-hexane and petroleum ether were good solvent for ultrasonic-assisted process.
摘要 ： 以四川‘糊烟’为原料，正己烷为提取溶剂，在单因素试验基础上再经正交试验优化‘糊烟’净油提取工艺；
Abstract : A process for extraction of absolute oil from Sichuan 'paste' tobacco was optimized through single factor test and orthogonal test with n-hexane as extraction solvent.
本专利所合成的SDS是以正丁基锂或仲丁基锂为引发剂、环己烷为溶剂来制得的。
The SDS is block polymerized in the presence of n-butyl lithium or sec-butyl lithium as initiator and cyclohexane as solvent.
以丙酮为溶剂，过氧化氢为氧化剂，考察了环己烷氧化制取环己酮的反应。
The reaction was studied, which used acetone as solvent and hydroperoxide as oxidant to produce cyclohexanone.
实验表明，山稔子水、无水乙醇、甲醇、50%甲醇、正己烷和乙酸乙酯的提取物对猪油和花生油均具有抗氧化作用，而且其抗氧化作用的强弱与溶剂的极性直接相关。
The results showed that all the water, alcohol, methanol, 50% methanol, n-hexane and acetic ester extracts have antioxidation on lard and peanut oil.
介绍了有望替代己烷等烃类作为食用油浸出溶剂的几种非烃类物质的物化特性，特别是它们的毒性，以供业界参考。
The properties of some non-hydrocarbons which may substitute hexane as edible oil extraction solvent, especially the toxicity, were introduced so as to provide reference for correspo…
以二氧杂环己烷为溶剂，通过聚乙二醇2 70与对甲基苯磺酰氯反应合成了1 8冠6，产率64 .4 %。
Also, in dioxane solution, 18Crown6 was prepared in 64.4% yields by reaction of polyethylene glycol 270 and ptoluenesulfonyl chloride.
四氢硼钠在己烷和甲苯溶剂中，不易引发丙烯酸第三丁酯的聚合反应，但在吡啶和四氢呋喃中能引发聚合，亦得到非晶态聚合物。
NaBH4 in hexane or toluene would not initiate the polymerization unless pyridine or THF was used as solvent, but an amorphous polymer was the product.
使用正己烷作为萃取和测试溶剂，同国标方法（GB/T16488-1996）所用的四氯化碳相比可减少对测试人员的伤害。
The method that using n-hexane as an extractant had a little injure to lab assistant, as compared with CCl_4 used by GB/T16488-1996 method.
方法在微波功率和萃取时间一定的条件下，分别选用有机溶剂甲醇、乙醇、甲苯、丙酮及环己烷为提取剂，进行间歇性提取。
METHOD Under the same conditions of microwave power and extraction time, methanol, alcohol, toluene, acetone and hexamethylene were used as the extractant to carry out intermittent extraction.
溶剂采用环己烷、1,2 -二氯乙烷、吡啶中一种或多种混合使用。
The solvent is used by adopting one of or mixture of more than one of cyclohexane, 1, 2-dichloroethane and pyridine.
本文首先采用固定体积的可视化观察法（乳光法）研究了在超临界CO_2加入甲苯、环己烷、正丁醛、异丁醛、甲醇和乙醇等共溶剂之后，整个体系临界性质的变化情况。
The constant volume visual method is used to measure the critical properties of CO2+toluene, CO2+cyclohexane, CO2+n-butyraldehyde, CO2+i-butyraldehyde, CO2+ methanol and CO2+alcohol binary systems.
本文首先采用固定体积的可视化观察法（乳光法）研究了在超临界CO_2加入甲苯、环己烷、正丁醛、异丁醛、甲醇和乙醇等共溶剂之后，整个体系临界性质的变化情况。
The constant volume visual method is used to measure the critical properties of CO2+toluene, CO2+cyclohexane, CO2+n-butyraldehyde, CO2+i-butyraldehyde, CO2+ methanol and CO2+alcohol binary systems.
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