precursor

N-acetylcysteine a precursor of glutathione in cells, is a thiol antioxidant.

乙酰半胱氨酸是细胞内还原性谷胱甘肽的前体, 是一种含有巯基的抗氧化剂.

He said that the deal should not be seen as a precursor to a merger.

他说该笔交易不应该被看作是合并的前兆。

Construction of the technological system of seismic-precursor network center in Jiangsu province

江苏省地震前兆台网中心技术系统的建设

Based on the observed data and tectonophysics, the existence of seismogenic deformation field precursor ( the faulting system) before moderate and strong earthquakes in North China was demonstrated, it's kinetics and mechanics were proposed and examined by the method of finite element;

文中用实测资料和构造物理学观点论证了华北中、强地震前孕震形变场（断层活动系统）的存在和它的运动学与力学机制，并用有限元法加以检验；

Most dolomite is obviously the result of replacement of precursor calcite but certainly not all.

多数白云石显然是原来方解石交代的结果,但肯定不是全部.

Setting up some fixed stations and using some instruments ( such as water tube tiltmeter, tiltmeter, tensometer, strainmeter, etc.) to continuously monitor the crustal deformation in order to catch the short-impending precursor which can be used in earthquake prediction.

建立固定形变监测台站进行连续形变的观测（如连通管、倾斜仪、伸缩仪、应变仪等），以捕捉临震的形变前兆信息，用于震前的短临预报。

They alter the way it cleaves amyloid precursor protein.

它们改变了这个酶切割淀粉样蛋白前体的方式.

Real tennis, an ancient precursor of the modern game, originated in the eleventh century

室内网球，现代网球运动的古老前身，起源于11世纪。

Establishment of an immortalized neural precursor cell line with a temperature-sensitive mutant of SV40 large T antigen

温度敏感型基因永生化神经前体细胞系的建立

Amphetamines is one kind of synthetic compounds whose precursor structure is amphetamine.

苯丙胺类物质是一大类人工合成的以苯丙胺为母体的化合物.

Set up the Web Homepage for the Tianjin Seismic Precursor Network

天津市地震前兆台网主页的建立

Tectonic analysis makes discrete seismic precursor be restored in time and space.

构造解析是要对离散性的地震前兆进行构造时空复位。

Hobbes is a precursor of modern positivism and analytical jurisprudence.

霍布斯是现代实证主义法学和分析法学的先驱.

Thiophene, a highly common substance, serves as a versatile precursor to a variety of amino acids.

噻吩是一种很普通的物质, 它可以作为合成各种氨基酸的母体.

The precursor of the pigment from Peristrophe baphica is an unstable compound.

山蓝色素前体是很不稳定的化合物.

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.

The conditions for electro and magnetic precursor are the tectonic unit, the composition and thickness of Cenozoic group, the soil type near the surface and the lithologic property under Cenozoic group and the depth of the layer with high electric conductivity in the earth crust.

影响地电磁类台站映震能力的主要条件是构造单元、新生界盖层的结构与厚度、表土岩性、基底岩性与壳内高导层顶面埋深等。

A simultaneous synthetic template carbonization method ( SSTCM), where tetraethoxy silane ( TEOS) was used as the source of the silica template and resorcinol-formaldehyde gel as the carbon precursor, was suggested for the preparation of mesoporous carbons with a controllable pore structure.

以正硅酸乙酯为模板硅源，间苯二酚甲醛凝胶为炭前驱体，采用同步合成模板炭化（SSTCM）法制备了具有可控结构的中孔炭材料。

Tensile Creep of UD-C_f/ SiC Composites Prepared by Precursor Pyrolysis and Hot Pressing at Elevated Temperature

先驱体转化-热压单向C f/SiC复合材料的高温拉伸蠕变

Error is often the precursor of what is correct.

错误常常是正确的先导.

Nano porous TiO 2 doped SiO 2 aerogel insulation were prepared via sol gel process using tetraethoxysilane ( TEOS) as the precursor and followed by ethanol supercritical drying.

以正硅酸四乙酯为硅源，钛白粉为红外遮光剂，通过溶胶－凝胶及超临界干燥过程制备了钛白粉掺杂SiO2气凝胶。

Glycerate 3-phosphate is a precursor of the amino acid serine.

甘油 3- 磷酸是丝氨酸的前体.

The immediate transcript of a t RNA gene is known as precursor tRNA.

tRNA基因的直接转录物叫做tRNA前体.

Tantalum carbide materials were prepared by liquid precursor conversion, and the phase compositions and the microscopic structures of samples were characterized by XRD and SEM, respectively.

报道了一种通过液相先驱体转化制备碳化钽的方法.用XRD分析材料高温处理后的相组成及晶态结构；

Real tennis, an ancient precursor of the modern game, originated in the eleventh century.

室内网球，现代网球运动的古老前身，起源于11世纪。

An Erythromycin productive high-yielding mutant F1-57 was screened by the test of precursor tolerance. The fermentation yield of which is 10% more than that of parental strain.

通过红霉素耐前体物的筛选，选到了一株红霉素的高产变株F1-57，其发酵水平较亲株提高10%以上。

Effect of High Temperature Treatment on Properties of Sol Film for Polyimide Precursor

高温热处理对聚酰亚胺前驱体凝胶膜性能的影响

In the past this had been the precursor to strong decisions.

要是在过去,这就是要采取强力行动的预兆.

In plant cells the principal precursor of alanine , as well as leucine and valine, is pyruvate.

植树细胞中丙氨酸和亮氨酸 、 缬氨酸的主要前体是丙酮酸.

What became of the head of the Precursor is difficult to determine.

这位先驱者的人头的来源很难确定.