查询词典 helium

The carbon, hydrogen and helium isotopic compositions of volatile components displayed the characteristics of the fluid dehydrated from subducting slab.

岩浆中富气富水，气相组分的碳、氢、氦同位素组成具有俯冲板块脱失流体的特征。

Objective To explore the feasibility and significance of using ventilated technology of oxygen after unchaining in assistant breathing equipment cycled with mixed gases of helium and oxygen.

在给出保持本系统稳定的相对增益矩阵后，介绍了循环式氦氧混合气辅助呼吸装置设计中的氧浓度解耦控制方法。

Results It shows that the control of oxygen concentration after unchaining coupling is a vital technology in assistant breathing equipment cycled with mixed gases of helium and oxygen.

研究结果表明：氧浓度解耦控制技术是循环式氦氧混合气辅助呼吸装置设计中的一项关键技术。

Methods After giving out the relative increment matrix for keeping the system steady, the paper introduces the detail methods for the control of oxygen concentration after unchaining coupling in assistant breathing equipment cycled with mixed gases of helium and oxygen.

目的是通过循环式氦氧混合气辅助呼吸装置设计中的氧浓度解耦控制技术的研究，探索循环混合气技术在呼吸支持设备中应用的可行性及其重要意义。

Since the high concentration of helium vapors is completely dangerous,experiment was conducted in the well aired environment.

由于高浓度的氦蒸气完全危险，试验在比较好的通风下进行。

Eyes are most sensitive to the extreme cold of liquid helium and its vapors.

眼睛最容易受到液氦和它的蒸气的极低温的影响。

In Gas Liquid Chromatography a mixture of vapors is carried in a stream of helium through a column.

在气液色层分析中，蒸气的混合物由源源不断的氦气带入柱中。

With Ammonia as refrigerant and water as absorbent, they are boiled by the heater in the generator, as a result, the Ammonia-water solution is evaporated. The Ammonia vapor is purified by the rectifier and is condensed into liquid Ammonia in condenser. The liquid Ammonia and the pure Helium purified in the absorber are evaporated together in the evaporator and to absorb heat thus refrigerate at the same time.

采用氨为制冷剂，水为吸收剂，通过对制冷机芯的发生器加热，使氨水溶液中的氨蒸发，氨蒸汽经精馏器提纯后进入冷凝器成液氨，液氨在蒸发器中与经吸收器提纯的纯氦共同蒸发，同时从外部吸收热量，达到制冷的目的。

We have:The banner,straight banner,huge banner,big/small colored fag,the multicolored silk banner,the helium balloon,the fresh flower basket,the color flower fireworks,the large-scale gas mold archway,gas pole,the spatial noon star,the airborne airship,the power gliding parachute performance,the plate flower,the rug,the orchestra parade float,the car team for escortiong the bride,ritual girl and so on.

配有：横幅、直幅、巨幅、大、小彩旗、锦旗、氦所球、鲜花花篮、彩花礼花、大型气模拱门、气柱、空中午星、空中飞艇、动力滑翔伞表演、盘花、地毯、乐队彩车、迎新车队、礼仪小姐等。

Photo-cathode superconducting accelerator experiment system includes Nd:YAG mode-locked laser, Cs 2Te cathode, 2+1/2 RF gun, L band 3.5MW microwave source, 1.3GHz superconducting cavity, 500W continuous microwave source, coaxial input coupler, 4.2K cryostat, helium liquified system, control system, beam diagnosis system, and vacuum system.

光阴极超导加速器实验系统由四倍频 Nd：YAG锁模激光器，Cs2 Te光阴极，2 +1 / 2微波电子枪，L波段 3 。5 MW脉冲微波源，1 。3 GHz单腔超导铌腔，5 0 0 W连续微波源，超导腔束管耦合器，4 。2 K低温恒温容器，液氦制冷系统，同步控制系统，束流参数诊断，真空系统等构成。

He and Nina moved to California and lived at 2005 Ivar Street, Apt.

他和Nina搬到加州，并在2005年伊瓦尔街，公寓生活。

Droperidol （ potently inhibits transfected HERGchannels and this is the probable mechanism for QT prolongation.

氟哌利多有效地抑制了转染的 HERG 钾通道，可能是 QT 间期延长的机制。