Its comprehensive coverage focuses on ceramic preforms.

它的广泛报导集中在陶瓷的粗加工成品。

The porosity of preforms increased with the increase of starch contents.

随着造孔剂含量的增加，预制体气孔率升高。

The series could handle 1-litre mineral water bottle preforms from 16 to 48 cavities.

该系列可处理一公升的矿泉水瓶瓶坯，从16日至48溶洞。

Preforms with waveguide structure have been formed by using a built -in casting method.

用内铸法制得了具有波导结构的预制棒。

With the fabricated preforms, the pressure casting process of porous aluminum alloy was studied.

利用所制备的预制块，研究了多孔铝合金的加压铸造工艺。

Preforms with homogeneous distribution of large and small particles are made by ultrasonic dispersing technology.

用超声分散工艺获得了不同粒径颗粒分布均匀的预制件。

Injection moulding of bottle CAPS is distinctly different from that of preforms in that it is thin-wall moulding.

与瓶坯注塑截然不同，瓶盖的注塑是薄壁注塑。

The production of three dimentional spherical reinforced preforms by means of one-side-sewing technology is presented.

介绍了通过单面缝纫技术生产三维球面增强预型件的方法。

Resultingly limitation of equipment, it is difficult to densify the spray deposited preforms with large dimension by extrusion.

而采用挤压等工艺，由于受到设备的限制，无法实现大尺寸坯料的变形。

In the hot repressing of the powder sintered preforms, the increasing forging force increases its densities at a constant temperature.

在相同温度下进行粉末烧结体热复压，锻造力的增加往往使锻造密度也增加。

The fabrication technology of fiber preforms for liquid composite molding ( LCM ) is an important aspect on cost-effective composites.

纤维预成型技术是复合材料液体模塑工艺（LCM）低成本化中的重要方面。

This process can add mould pressure to the preforms through inflating the bladder. Thus, higher fiber volume fraction can be achieved.

该工艺通过向气囊内充压，对预成型体施加一定的成型压力，从而提高构件纤维体积含量及力学性能。

Some problems of design for powder hot forging die have been discussed around the characteristics of forging deformation of powder preforms.

围绕粉未烧结体锻造变形的特点，讨论了粉末锻造模具设计的若干问题，并对一些粉末锻造模具进行了分析。

The equipments of the experiment, the materials and the experiment method at the hot repressing of powder sintered preforms were introduced.

介绍了粉末烧结体热复压试验用的设备、材料及方法。

The beaded preforms may be comprised of a filaments (single strand of beads) and mats (two-dimensional and three dimensional arrays of beads).

带珠的预制坯可以由丝（一串珠）和席片（两维和三维阵列 的珠）构成。

There are even injection moulding machines dedicated to making preforms having a rectangular tiebar clearance to fit the needs of making preforms.

有瓶坯专用的注塑机采用长型的四柱空间迎合瓶坯模具的需要。

On the simultaneity, the actual shape of the yarns in performs was observed, which will be beneficial to the foundation of the cell modal in preforms.

同时，通过实验观察了预成型件中纱线的实际形态，为三维六向编织预成型件单胞模型的建立奠定了一定的基础。

The results indicated that by HIPing porosities in the preforms can be closed and the densities can be increased, then the strength and ductility can be improved.

结果表明，热等静压处理可以闭合坯件内的疏松孔洞，提高合金致密度，进而提高合金的强度和塑性。

This article demonstrates the methodological principle and the way of design steps of 3 dimensional preforms for fibre reinforced composites on conventional looms.

本文介绍传统织机织制纤维增强复合材料三维预型件的织造原理、方法及步骤。

In this paper, densification laws of rotary forging powder sintered preforms and the property of components have been investigated with orthogonal experiment method.

本文利用正交实验等方法在自行设计的实验装置上对粉末烧结体的摆辗致密规律及压实体的性能进行了研究。

Three-dimensional braid structural composites represent a class of advanced materials which are reinforced by fiber braid preforms for primary structural applications.

三维编织结构复合材料是一种采用纤维立体编织预成型品增强的高级复合材料。

The final yarn structures in composites have changed comparing with those in the preforms after which are impregnated with matrix and consolidated into the final shape.

与预制件相比，复合材料内部的纱线结构发生了变化，这种变化也体现在纤维体积分数以及其它结构参数上。

This paper introduces the advantage of PCVD method and describes the long PCVD equipment for making optical fiber preforms, performance parameters and the overview of applications.

介绍了PCVD制棒法的优点，描述了实用型PCVD法制造光纤预制棒系统的设备组成内容、性能参数及其推广应用的前景。

This paper introduces the fabrication technology for knitted preforms. In-plane and out-of-plane Mechanical properties are studied which are compared with those of woven composites.

本文介绍了针织复合材料预型件的制造工艺：研究其面内和面外力学性能：并与机织复合材料进行了比较。

Roadmarking divided into: hot melt reticule, normal temperature cold paint line, color antiskid reticule, oscillation antiskid reflect light marking and processing preforms reticule.

道路划线分为：热熔标线，常温冷漆标线，彩色防滑标线，振荡防滑反光标线和预成型标线。

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.

总结了国内外在网络互穿复合材料及其预制件的制备工艺方面的研究现状，并且指出了各种工艺的特点；