减压的

The fault tree of atmospheric-vacuum distillation unit is established with deductive method on the theory of fault tree analysis.

根据故障树分析理论，用演绎法建立了常减压装置的失效故障树，通过定性分析找到影响稠油加工常减压装置安全性的主要因素，通过定量分析计算出引起失效的各事件的概率和重要度。

The effects of separation conditions on separation are also studied. It is found that the pressure of every step is very important for obtaining high-concentration CH〓 product.

研究中的变压吸附循环由已工业化的充压、吸附、并流减压、逆流减压和抽真空步骤组成，实验考察了多个操作参数对分离效果的影响，实验结果和理论计算表明：CH〓浓度主要受各步操作压力的影响。

The invention discloses a 3, 5-2-0-(4-chlorobenzene chlorobenzene)-2-deoxidising- D-red-furanoside that contains alpha body and beta body. The method includes the following steps: dissolving chlorine indicant into tetrahydrofuran, quickly adding to alcoholic solutioin, whisking and reacting, after reacting, vacuuming and steaming solvent to gain mixture of alpha body and beta body, taking separation by column chromatography to gain separated alpha body and beta body.

本发明公开了一种3、5-二-O-(4-氯苯甲酰基)-2-脱氧-D-赤-呋喃糖苷，它具有式表示的α体和式表示的β体，制备方法采用在室温下，将氯糖苷溶于四氢呋喃中，然后快速加入到醇溶液中，搅拌下进行反应；反应结束，减压蒸掉溶剂，得到白色固体，将该固体用石油醚溶解，过滤除去不溶物，再次减压蒸去溶剂，得到白色α体和β体的混合物，用柱色谱法进行分离，得到单独的α体和β体。

Under different source oil pressure, output pressure of reducing valve, some experimental investigation into the frictional characteristics has been done.

本文在不同的油源压力和减压阀出口压力的情况下，进行了摩擦特性的实验研究，得出了油源压力和减压阀出口压力的最佳关系。

In this paper,the venturi spray attemperator and the depressurizer with minute orifices are designed and applied novelly to discharge the high-temperature and high-pressure gas with particle reliably.

文章对旁路烟道的减温减压装置进行了专门设计，采用新颖的高速文丘里雾化冷却器和小孔节流降压消音器相结合的方法，实现了不同工况下高温高压含尘烟气的减温减压排放。

Methods: Five cases were treated by transnasal endoscopic sphenoethmoidal optic canal decompression in clinic. Results: Three of them had their visual acuity improved from NLP, LP to 0.2～0.4 after the operation. the operative opportunity, merits of operative approaches, the key factors of treatment were discussed.

开展了经鼻内窥镜视神经管减压术，结果：采用经鼻内窥镜鼻内进路视神经管减压术5例，其中3例视力由术前的无光感、光感恢复到术后的0.2～0.4，讨论了手术时机、手术进路的优点和不足、影响疗效的主要因素。

Pilot-operated pressure reducing valve is to use well in advance to adjust the air pressure instead of springs for voltage regulator, and its regulation principles and the main valve part of the structure and the same direct-acting pressure reducing valve.

先导式减压阀是使用预先调整好压力的空气来代替调压弹簧进行调压的，其调节原理和主阀部分的结构与直动式减压阀的相同。

On the basis of forgoing indication,the engine decompression retarder discrete control system with actual velocity and acceleration of automobile as inputs and engine retarder lever as output was designed,the tactics of the contro...

在此基础上，以汽车实际速度和加速度作为输入、发动机减压缓速器的挡位作为输出确定发动机减压缓速器的离散控制系统，并提出控制系统的控制策略，设计了控制系统的软硬件。

The conditions effect both types of unloaders equally inasmuch as poor water quality and extended bypass will wear them both out but one type of unloader is more expensive to repair and/or replace.

操作不良水质、旁路增加会同等程度影响两种类型的减压器，但是其中一种的减压器维修和/或更换的费用更加昂贵。

Like the single-stage regulator, outlet pressure from the first stage of the two-stageregulator rises as cylinder pressure decreases.

同单级减压阀一样，两级减压阀的第一级的出口压力随钢瓶压力的降低而升高。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。