溶剂

And cinnamic aldehyde and cinnamic acid were extracted from cinnamon by MAE using water and ethanol as solvents and were analyzed by HPLC method.

利用聚焦式微波辅助萃取系统，结合HPLC分析，对肉桂中的肉桂醛和肉桂酸进行微波萃取分离和分析，并比较了水及乙醇等溶剂作为萃取溶剂的效果。

Has a very strong addition to condensable gas extraction capacities, including the pure solvent gas, condensate recovery by the second solvent, so that gas-liquid separation, refinement streaming, and can repeat the recycling use

具有极强的抽除可凝性气体的能力，包括纯溶剂气体，可通过二次冷凝回收溶剂，做到气液分离，精细化分流，且能重复回收使用

The SWE technique seems a promising method for the extraction of alkaloids from Coptis chinensis Franch in industry.

亚临界水提取法较传统溶剂提取法，提取时间缩短，避免了使用有机溶剂造成的污染，可用于黄连生物碱的工业化提取。

Do not dissolve in any solvent ( no solvent has attractive forces strong enough to break the covalent bonds).

不溶于任何溶剂（没有溶剂有足够强的吸引力可以破坏其中的共价键）。

Then,some contrastive experiments on producing cyanuric acid by heating up different kinds of solvent to eliminate hydrogen were done.

以不同溶剂加热脱氢生产氰尿酸的收率和纯度做了对比实验，并通过选择确定硅油210 50是一种新型的理想的和廉价的溶剂。

The fluorinated polyamides could be dissolved in strong aprotic solvents and some low boiling point solvents, such as cyclopentanone, to form homogenously solution with solid content higher than 20%.

这一系列聚酰胺材料在极性溶剂或低沸点溶剂如环戊酮中都具有较好的溶解性，可以获得固含量高达20％以上的均相溶液，并在较的低温下固化成膜。

Aiming at the shortages of solvent-containing coating such as environment pollution , resource waste, low shield ability of one pass daubing coating and short life of efficient protection.

针对溶剂型涂料污染环境、浪费资源以及一道涂层隔离屏蔽能力低、有效保护时间短的问题，本文展开了对Al-Mg-Zn牺牲型涂料的无溶剂化研究。

The properties and structures of these films depend on their molecular weght, degree of deacetylate, the solvent, the temperature to remove the solvent from the chitosan solution.

壳聚糖膜的结构和性能取决于壳聚糖的分子量、脱乙酰度、溶剂以及除去溶剂的方式。

Solvent effect on the Diels-Alder reaction was analyzed with four different kinds of solvents: benzyl alcohol, cyclohexanone, toluent and decalin. The results show that the rate of the Diels-Alder reaction increased in more polar solvents and stereoselectivity of TCPD decreased.

在模拟计算基础之上，选择苯甲醇、环己酮、甲苯及十氢萘四种溶剂进行Diels-Alder反应的溶剂效应研究，考察温度、压力变化对反应速度、产物立体选择性的影响。

The silk-protein-like polymers could be dissolved in hexafluroisopropanol and strong organic acid (e. g., formic acid, dichloroacetic acid and trifluroacetic acid), while they showed a poor solubility in common solvents.

所合成的模拟聚合物难溶于通常溶剂，但可以溶解在强酸溶剂（甲酸、二氯乙酸及三氟乙酸）和六氟异丙醇中；通过在二氯乙酸中25℃下的特性粘度测定而估算出聚合物的分子量在2～5万之间。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！