Trilobal polycarbosilane(PCS) fibers were prepared by melt spinning PCS precursor through Y-shaped spinnerret.

以聚碳硅烷（PCS）为原料，经不熔化和烧成制得三叶型碳化硅纤维。

An immature cell of the bone marrow that is the precursor of a myelocyte.

一种急性白血病特征是骨髓内的淋巴细胞增多。

Error is often the precursor of what is correct,but conceit is the prelude to a fall.

错误往往是正确的先导,骄傲是跌跤的前奏。

IEF analysis also suggested that the polypeptides of PI6.82 and PI8.58 derived from the same glutolin precursor.

IEF分析同时显示2条多肽PI6。82和PI8。58源自同一条谷蛋白前。

Mercantilism and physiocracy were precursors of the classical economics of Smith and his 19th-century successors.

商主义和农主义是斯密的古典经济学及其19世纪后继者（新古典经济学）的理论先。

After the precursor's thermal decomposition under the protection of nitrogen,a kind of nonstoichiometric titanium oxide can be prepared.

用钛粉和草酸反应制得前物,在氮气保护下600℃热分解前物制备了一种非化学计量钛氧化物。

Oligodendrocyte Precursor Cell Medium (OPCM) is a complete medium designed for optimal growth of normal human oligodendrocyte precursor cells in vitro.

质前细胞培养基是专门为正常人类质前细胞外培养设计的最适于其生长的培养基。

For this reason, the most commonly discussed panspermia scenario involves the transport of microbes or their precursors from Mars to Earth.

基于这个理由，最常受人讨论的胚种说就是：微生物或其前物，是从火星送到地球的。

The starting temperature of crystallization for the peroxidation zirconic acid precursor during the heating process is higher that that of zirconium hydroxide.

过氧化氢有利于改善沉淀的过滤特性,缩短制备工艺周期。

Positive-working thermally imageable elements, useful as printing plate precursors and having reduced ablation when thermally imaged, and methods for their preparation are disclosed.

本发明公开了可用作印刷板前、并在热成像时具有较烧蚀作用的正性热可成像元件及其制备方法。

Thus a hollow appears on the surface of the nucleus.The precursor of chromatoid body gathered in the hollow and condensed into chromatoid body.

拟染色前物质集中于该凹陷中，并聚焦成拟染色。

First, the precursor of chromatoid body adhered to the inner surface of the nuclear envelope.The nuclear envelope where the chromatoid body adhering was destroyed.

在初级精原细胞的细胞核中，拟染色前物质先附著于核膜内侧，该处核膜崩溃。

The thermoanalysis results of the catalysts show that interactions between the precursors of nickel and carrier change with the nickel loading during the calcination treatment.

热分析表明，焙烧过程中不同镍负载量的催化剂镍前与载前之间发生的相互作用不同。

Agglomeration is a serious problem in production of ceria using cerium hydroxide as precursor.Destroying the stabality of hydroxide gels by heating is the basis of deagglomeration.

团聚的控制是以氢氧化铈为前制备纳米氧化铈工艺的关键所在,通过加热来破坏氢氧化铈凝的稳定性是进行解聚的基础。

It is a precursor in the synthesis of various amino acids, such as alanine, and of malic acid and oxaloacetic acid, both intermediates in the KREBS CYCLE.

在各种氨基酸比方丙氨酸以及苹果酸和草酰乙酸合成中作为前。苹果酸与草酰乙酸均是三羧酸循环的中间产物。

In this process, protein translocation machineries of the outer and inner membranes, at least three major translocase complexes, are needed to ensure the proper import of precursor proteins.

在此过程中，需要线粒外膜和内膜的蛋白质运输机器（至三种主要的移位酶复合物）来保证前蛋白质的正确运输。