环

Cyclohexanone yield of 85% and selectivity to cyclohexanone of nearly 100% were attained over the catalyst prepared under optimum condition.

在优化条件下制得的催化剂用於环己醇脱氢时，环己酮产品收率达85%，选择性近100%。

Here we use directly oxidation method to produce cyclohexanone.

这里采用环己烷氧化法制得环己酮。

Ketamine, a derivative of cyclohexanone, structurally like the phencyclidine, is one anesthesia drug of short duration.

氯胺酮，又名开他敏，是一种在结构上与苯环己哌啶有关的环己酮衍生物。

The fourth part of this work was to enhance the RIE resistance of the photoresist by substituting the cycloolefin structure for the acrylate structure.

第四部份延伸第三部份之脱水交联反应机制於环烯类负型树脂，并验证环烯类光阻剂具有较压克力光阻剂更优秀的抗蚀刻能力。

Cyclopentane is low-pressure material, and can adjust formation temperature and pressure of HFC-134a etc. gas hydrates. At the first time, we have measured equilibrium data of HFC-134a and HFC-152a gas hydrates below ice point, and equilibrium data of cyclopentane hydrate have been obtained(see Fig.1 and 2, respectively).

环戊烷是低压工质，可以调节HFC-134a等气体水合物的形成温度和压力等，我们在国际上首次对HFC-134a、HFC-152a水合物的冰点以下的相平衡及环戊烷水合物的相平衡进行了系统的测试，见图1和图2。

Application of isopentane /cyclopentane foamed rigid polyurethane in refrigerators is introduced.

介绍碳氢发泡新一代替代技术：环戊烷-异戊烷发泡聚氨酯硬泡技术在冰箱生产中的应用情况，并从发泡工艺及性能上与环戊烷发泡体系进行了比较。

The cyclopentane was study by EMS. The valance orbital can not be entirely distinguished, due to the energy resolution of the spectrum, but the detailed information of the momentum profiles can be obtained by theoretical calculation.

对环戊烷分子的电子动量谱学研究受谱仪分辨率的限制，从电离能谱中不能分辨环戊烷分子的每一轨道，但理论计算可以得到各价轨道的束缚能、电子动量谱等信息。

The Cyclopentane high-pressure foaming machine have gas monitoring points,ventilation and exhausting system,.

环戊烷高压发泡机应用于环戊烷发泡生产，配有安全监测及抽风系统。

Cyclopentane reduced the induction time of hydrate formation, but could not improve the methane consumption during gas hydrate formation in a quiescent cell.

液态烃环戊烷降低了水合物形成的诱导时间，但环戊烷不能提高水合物的填充密度。

The Ni-based extensive hydrogenation catalyst and the process developed by us were applied to the industrial equipment with an annual production capacity of 20 thousand tons of foaming agents in the Meilong Cyclopentane Co., Ltd of Jilin Chemical Industry Co., Ltd. In 2002, the feed and trial was successful with one attempt and produced high-quality cyclopentane foaming agents.

我们开发的 Ni 系深度加氢催化剂及其工艺在吉林化学工业公司美龙环戊烷公司年产2万吨发泡剂工业装置上应用，于2002年一次投料试车成功，生产出高质量的环戊烷发泡剂。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。