管道中的

In this paper, coat is applied to the project of gas pipe flow from west to east. Thetechnique of constant temperature anemometry is used to study the mechanism ofdrag reduction for turbulent boundary layer coated on the surface of wall.

本文为了配合西气东输工程中采用管道壁面涂料减阻技术，应用热线测速技术，对风洞中壁面覆盖减阻涂料的平板湍流边界层进行减阻机理的实验研究。

However these troubles of concentrated urea liquor crystallizing and blocking pipe, as well as urea changing into biuret at high temperature should be avoided.

但在生产中要妥善解决尿素浓溶液易结晶堵塞管道以及尿素在高温下易生成缩二脲的问题

There should be a better channel of communication between the U.S.

中美两国该有较好的沟通管道。

There should be a better channel of communication between

中美两国该有较好的沟通管道。

Critical flow velocity is an important factor in slurry pipeline transportation.

引言在浆体管道输送中，正确确定一个安全经济的输送流速———临界流速非常重要。

In order to overcome this problem,purification and impurity removal are adopted for the NHD decarbonization liquid.

NHD脱碳液在循环使用中，容易被氧化成的硫单质和粉尘等污染，造成溶液颜色变黑，脱碳电耗高、管道经常堵赛等一系列问题，为此，采用了NHD脱碳液净化除杂技术对受污NHD脱碳液进行处理。

In addition, remaining strength assessment and remaining life prediction are involved in direct examination and post-assessment of the Direct Assessment process.

另外，在外腐蚀直接评价过程的直接检查和后期评价步骤中涉及到管道剩余强度评价和剩余寿命预测。

The experiment result indicates that the algorithm is effective in the noise decrease effect for magnetic flux leakage signals.

将演算法应用於管道漏磁检测系统中，实验结果表明该演算法在漏磁信号的处理中能取得较好的降噪效果。

In the ordinal part, he uses the theory and scuttlebutt from conception digit to makeup and texture a 2000+ goal mechanism case and ultimate surround using 3ds Max, Photoshop and Brazil.

在第二部分中，他使用的理论和管道对象是第一部分遮荫和纹理2000 +机器人角色，及在简单的环境中使用3ds Max软件， Photoshop和巴西渲染。

We imported segment moulds and advanced production technologies from Germany, and are able to build shafts and produce segments associated with shield tunnel by ourselves. In 2005, we completed independently shaft construction of Huangshi shield tunnel project and successfully filled in a gap in the fields of shaft construction of CNPC .

公司从德国引进了环片制造模具和先进生产技术，能够独立进行与盾构施工相配套的竖井施工与环片生产。2005年公司在仪长原油管道黄石长江盾构工程中成功完成了竖井施工，填补了中石油竖井施工领域的空白。

The basic concept of FOP can be summarized as to further optimize effective prescription according to the standard of curative effects and with the aid of modern science and technology and theories of traditional Chinese medicine.

其基本内涵可概括为：以确有疗效的中药复方为研究对象，以现代科学技术和传统中医药理论为技术支持，以该复方所治病证的药效响应为评价标准，以优化重组疗效更优的新复方为研究目的。

Ever since our world has been a world, native forests have been indiscriminately exploited by man.

自从我们的世界一直是世界原生森林被任意剥削人。