pre-impregnated material

Plastics Plastic material pre-heat and formalization.

塑胶业塑胶料预热及定型.

The structure, material, strength calculation and welding seam structure of pre reformer are introduced.

介绍了预转化炉的结构 、 选材 、 强度计算及焊缝结构.

SIT is just about a kind of sampling pre-treatment technique which aim at the separation and pre-concentration of trace material in complex samples.

表面印迹技术正是一项专门针对复杂样品中痕量物质进行分离富集的前处理技术。

Since the 3D-woven thermoplastic composite material exhibits low rigidity, pre-drawing of it can remarkably improve its elongation and bending rigidity.

三维机织热塑复合材料的刚度较低，预拉伸工艺可以显著提高复合材料的拉伸刚度和弯曲刚度。

FEA of Pre-stressed Anchor Device under Stress and Dimension and Material Optimum of Anchor Head; "Anchorage, grip and coupler for prestressing tendons"

预应力锚具受力过程的有限元分析及锚圈的尺寸和材料优化GB/T14370-1993预应力筋用锚具、夹具和连接器

Material choice and processing optimizing are very important in reducing hairiness online, compact spinning technology can also reduce hairiness efficiently. Technique measures of adopting wet slip, high pressure sizing and pre-wetting sizing and so on can reduce yarn hairiness.

采用紧密纺纱技术可有效减少毛羽，浆纱工序通过采取湿分绞、高压上浆及预湿上浆等技术措施，可以改善和减少纱线的毛羽。

The pre Qin documents and paleographic material show that the worship of fire, red bird and red color existed in the Zhou dynasty, which, being a particular cultural phenomenon originating from the astrology, had much to do with the concepts of constellation at the time.

先秦文献与古文字资料可证周代确实存在火、赤鸟与赤色崇拜的文化现象，赤鸟崇拜后来演化为赤凤崇拜。

A corresponding computer program by using finite element methed is coded in FORTRAN 77 and is implemented on microcomputers. Numerical results show that the thermal stress and material softening irradiated laser beam will induce the catastrophic buckling failure of the pre compressed cylindrical shell.

数值计算结果表明，激光照射区域产生的热应力和材料软化将导致处于正常工作状态的轴压圆柱壳发生灾难性的热屈曲破坏。

Bio-hydrogen was produced by the pre-processed straw as raw material and digested sludge as the source of natural bacterium through anaerobic fermentative technique.

本文以经预处理的农业水稻秸秆为原料，以活性污泥作为天然厌氧发酵菌群来源，厌氧发酵制取生物氢气。

" He's two-footed, he's very quick, there's material there," Sir Alex told his pre-Newcastle press conference.

“他双脚技术都好，速度快，很有料，”爵爷在对纽卡赛前的记者会上说。