多级的

A process based upon solvent extraction has been developed for the recovery of phosphoric acid from a leaching liquor obtained by decomposition of phosphate rock with sulfuric acid.

本文采用二丁基亚砜作为萃取剂，对于用硫酸分解磷矿而得的粗磷酸进行多级逆流萃取及反萃取，以获得高纯度的磷酸和磷酸盐。

Anvers Air-Miser MSP-AM series multi-stage air-driven vacuum pumps are now offered in five sizes from 0.06 to 0.64 SCFM and operate at 45 psi (3.1 bar) air pressure, about half that of conventional venturi-style pumps, the company says,.

该公司介绍，Anver的Air-Miser MSP-AM系列多级气动真空泵现在有五种型号可供选择，从0.06到0.64SCFM，它可以在45psi(3.1bar)压力下正常运行，所需压力大约是普通文氏泵的一半。

Anver's air-miser msp-am series multi-stage air-driven vacuum pumps are now offered in five sizes from 0.06 to 0.64 scfm and operate at 45 psi (3.1 bar) air pressure, about half that of conventional venturi-style pumps, the company says,.

该公司介绍，anver的air-miser msp-am系列多级气动真空泵现在有五种型号可供选择，从0.06到0.64scfm，它可以在45psi(3.1bar)压力下正常运行，所需压力大约是普通文氏泵的一半。

The design of circulating water pump is fine, uses the multistage belt pulley change speed, to satisfies the dyeing craft of different type skein.

循环水泵设计优良，采用多级皮带轮变速，以满足不同类型绞纱的染色工艺。

New Vertical multi-level fire pump in the water level at the end of paragraph does not set guide vanes, the water level by the end of impeller directly discharged into the water of the scroll-shaped channel, and then discharged from the outlet.

新型立式多级消防泵在出水段没有设置末级导叶，水由末级叶轮排出后直接进入出水段的蜗壳形流道，然后由出水口排出。

S7-300 converter control of the source, start, stop and Multi-Speed, absolutely rare copies!

S7-300控制变频器的源程序，启动、停止及多级调速等，绝对少见值得收藏！

In the multi-level enterprise management mode, so that the different levels of units with different levels of competence.

在企业的多级管理模式下，使不同级别的单位拥有不同级别的权限。

Experimental results indicated that an introduction of small amount of gas into the expansion chamber could adjusted the particle flow pattern and flow rate effectively.

本文还对多级膨胀连续排灰系统在实际运行中必不可少的调控问题进行了探索，提出了气力调控方案。

A multi-level dual"saw-tooth"stripe gray light patterns are designed to add artificial texture into scene and a normalized SSSD matching algorithm is presented to revise spacetime stereo to accomplish the matching of images for the untextured weld environment.

本文设计了一种锯齿式多级对偶灰度光源序列向场景中添加纹理，并提出了归一化SSSD匹配算法，对时空立体视觉技术进行改进，解决了焊接无纹理环境的立体匹配问题。

It is capable of 256 levels of gray shading by PWM conversion, and possesses POL and blank signals.

根据FED显示器的多级灰度显示原理，设计并实现了一种32通道、256级灰度调制电路。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。