pdc的例句大全

In the last chapter also briefly describes the PDC bit designed by this system, provided the use of this drill bit, as well as on-site testing and results.

也为PDC钻头的数字化加工打下基础。在本文的最后一章，还简要介绍了运用本文提供的系统设计钻头的情况，以及进行的现场试验及其结果。

In pace with the perfection of performance and model number of bottom-hole power drill tool, moreover concentrated PDC bit fitting for different formation is growing vigorously, compound drilling technique can be large-scale applied and disseminated.

随着井下动力钻具性能、型号的完善，再加上适合各种地层的高效PDC钻头的蓬勃发展，复合钻井技术大规模推广应用的时代已经到来。

Because the PDC of the PDC bit is in oblique cutting way to pressed into broken rock, the shape of the indenter is different from the spherical or conical indenter, and the cylindrical flat-bottomed indenter.

由于PDC斜镶入在钻头胎体或刚体上，因此PDC总是以斜向压入切削方式破碎岩石，其压头形状既不同于球形或圆锥形压头压入，又不同于圆柱平底压头压入。

two core concepts of the information sunshine idea are data stream environment ( dse) and personal demanding code ( pdc).

信息阳光包含数据流环境和个人需求代码两个新概念。

study on the technique of the vacuum diffusion welding of pdc cutter

PDC钻头真空扩散焊工艺研究

cu-pyrrolidine dithiocarbamate ( pdc) chelate was retained in a polytetrafluoroethylene ( ptfe) beads packed column in the module, which was afterwards eluted with a small amount of methanol and the eluate was quantified by using electrothermal atomic absorption spectrometry ( etaas).

铜-PDC螯合物在样品预处理模块中被吸附在聚四氟乙烯微珠填充柱上，用少量甲醇洗脱后，将洗脱液引入电热原子吸收中测定。

finite element analysis of flexible anti-whirl pdc bit

挠性抗回旋PDC钻头的有限元分析

because a pdc cutter has remarkable abrasiveness, it is unpractical to find the wearing law by large number of lab tests.

PDC钻头切削齿的耐磨性相当高，要通过大量的室内试验来找出其磨损规律来是不现实的，因此很有必要找出一种PDC钻头切削齿磨损规律的研究方法。

flow field analysis and configuration development on the pdc type high efficiency cyclone tube

PDC型高效旋风管的流场分析及结构改进

design of ultra-high pressure system for dual-flow channel pdc bit

双流道PDC钻头超高压系统的设计

it provides an effective approach to enhance the tooth arrangement design efficiency of the pdc bifs and improves the comprehensive production efficiency of new pdc bit products.

该方法为大幅度提高PDC钻头布齿设计的效率、提高PDC钻头新产品开发工作的综合效率提供了一种有效的途径。

drilling techniques on pdc bit combination with drillable collar

PDC钻头配合可钻浮箍钻井技术

Experimental Study of Jet Impacting Force on PDC Bit Teeth Cleaning

水射流对PDC钻头齿纵向清洗力的实验研究

An experimental study of influence of the different nozzle azimuth on the PDC bit teeth cleaning force produced by water jet is carried out.

对不同喷嘴方位角时水射流对PDC钻头齿清洗力的影响进行了实验研究。

The new MSDN blogging site and PDC Bloggers are both good starting places for finding Web logs on any software development topic.

新的MSDN网志服务站点和PDC Bloggers都是开始查找关于软件开发主题的很好去处。

application of repair welding on surface hardening of steel body pdc bit

堆焊技术在钢体PDC钻头表面硬化中的应用

objective to construct the expression vector of the pyruvate dehydrogenase complex e2 subunit gene ( pdc-e2).

目的构建丙酮酸脱氢酶复合物的E2亚单位（PDC-E2）的表达载体。

objective to detect anti-m2 autoantibody using recombinant pyruvate dehydrogenase complex e2 ( pdc-e2) in order to help diagnosis of primary biliary cirrhosis ( pbc).

目的用重组表达的丙酮酸脱氢酶复合物E2亚单位（PDC-E2）检测M2抗体，以利于原发性胆汁性肝硬化（PBC）的早期诊断。

ama in pbc are directed to the three ketoacid dehydrogenase complexes, and predominantly to e2 subunit of pyruvate dehydrogenase complex ( pdc-e2).

PBC特异的AMA主要针对位于线粒体内膜的三个酮酸脱氢酶复合物家族（OADC）中的各个亚单位，即线粒体M2抗原的主要成分，其中最主要针对丙酮酸脱氢酶复合物E2亚单位（PDC-E2）。

objective to develop an elisa kit by using prokaryotic expressed products for screening the autoantibodies to binding protein of e2 and e3 subunits ( e2bp and e3bp) of pyruvate dehydrogenase complex ( pdc) in the primary biliary cirrhosis ( pbc) patients.

目的用重组丙酮酸脱氢酶复合物E2亚单位和E3结合蛋白（PDC E2，PDC E3BP）建立筛查原发性胆汁性肝硬化（PBC）患者相应自身抗体的ELISA。