查询词典 preforms

Even if you would not use any soldering past, but preforms without flux, you will get a perfect wettening of the surfaces and a voidless connection.

即使你之前没有进行过焊接，而且焊片不带焊剂，焊接面也可以得到良好的润湿，并且空率很低。

While 250 m3 of water and 200 liters of chemicals are used daily to decontaminate bottles on a traditional aseptic bottling line, Predis? dry-solution decontaminates preforms using hydrogen peroxide mist: it requires no water, extremely reduces the use of chemical agents and creates no effluent.

虽然250立方米水，200升的化学品使用，每天清理在传统的瓶无菌灌装线，普雷迪斯干解决decontaminates预制棒使用过氧化氢雾：它不需要水，极为减少使用化学剂，并创建无污水。

Advancement in research on composites with interpenetrating networks ;2. In this paper,research status at home and abroad on manufacturing techniques of composites with interpenetrating networks and their preforms were summarized,with focus on the special feature of every one.

网络互穿结构复合材料的基体与增强相在整个材料中形成各自的三维连续网络并且互相缠绕，该结构可充分发挥各组成相各自的优势，以获得最佳的综合性能，它已成为最新的研究热点。

The effects of major processing parameters on the properties of SiC preforms and SiCp/Al composites were investigated.

重点研究了主要工艺参数对SiC骨架及复合材料性能的影响规律。

The structures of three dimensional (3 D) textile preforms and composites are discussed in this paper.

纺织复合材料是指采用纺织技术织造的织物所增强的复合材料。

Its comprehensive coverage focuses on ceramic preforms.

它的广泛报导集中在陶瓷的粗加工成品。

In the first stage, preforms are made using an injection moulding machine.

生产塑料制品的两种通用方法是挤出成型法和注射成型法。

In the first stage, preforms are made using an injection moulding machine.

第一步用注塑机注出瓶坯。

The results show that the co-wrapped yarns can be used to form textile preforms for manufacturing textile structural composites.

结果表明，包缠纱可形成预制件用于纺织结构复合材料加工。

Preforms have no change in shape and dimension after infiltration thus the near-net-shape products can be achieved.

SiC坯体渗入铝合金后无形状和尺寸的变化，能够实现制品的近净成形。

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。