前驱

[qián qū]
  • 前驱
  • 释义

    progenitor;forerunner;precursor;pioneer;usher ;

纠错 数据更新时间:2026-04-18 12:50:15
  • 近义词
  • 反义词

  • 先行者forerunner;forthgoer ;
  • 先驱pioneer;forerunner;foregoer;harbinger;avant-courier ;
  • 先驱者pioneer;precursor;ancestor;forerunner;
  • 前人prehominid;predecessors;forefathers ;
1、

The onset of this disease may resemble the prodromal period of icteric hepatitis.

它的发病与黄疸型肝炎的前驱期相似.

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2、

The precursor and powder were characterized by XRD 、 DTA 、 ICP 、 TEM 、 BET.

采用XRD、DTA、ICP、TEM、BET等 手段表征了前驱体和产物的特征.

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3、

Front engine, front wheel drive.

前置引擎前驱动.

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4、

Four wheel drive, with a full sealed front drive axle.

四轮驱动为全密封前驱动桥.

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5、

For the σ~+-rule, when the initial configuration is fixed to be 0 and the target configuration is fixed to be 1, the corresponding predecessor existence problem is also called σ~+ all-ones problem or all-ones problem [ 27] simply.

类似的,对于σ规则,当初始配制为0,目标配制为1时,相应的前驱存在问题被称为σ全一问题。为方便起见,目标配置的前驱也被称为解。

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6、

You are now in the preliminary stage of labor.

现在是临产的前驱期.

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7、

CONVERT Converts FAT volumes to NTFS. You cannot convert the current drive.

将FAT卷转换为NTFS卷. 不能转换当前驱动器.

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8、

The greatest source of his forward drive is derived from good rear angulation.

它的前驱的最大的动力源是来自于良好的后部角度.

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9、

The markers weren't associated with progression from normal to pre-diabetic status in men.

而上述标记物同男性正常状态进展到前驱糖尿病状态不相关.

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10、

Oxidation method and neutralization titration are two common ways of hydrothermal prepared ferrite precursor.

氧化法和中和法是水热制备铁氧体前驱物的两种常见方法.

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11、

Carbon foams were prepared from coal tar pitch, petroleum mesophase pitch, and AR pitch.

分别以煤沥青 、 石油中间相沥青和AR沥青为前驱体制备炭泡沫材料.

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12、

The open cell alumina foam ceramics were prepared by impregnating sponge with aqueous ceramic slurry.

采用有机泡沫前驱体浸渍工艺制备氧化铝泡沫陶瓷.

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13、

Single-walled carbon nanotubes ( SWNTs) were continuously synthesized by floating pyrolysis method in the temperature range of 850-1160 ℃ by using tetraethyl orthosilicate ( TEOS) as raw material, ferrocene as the precursor of Fe particles.

以正硅酸乙酯(TEOS)为前驱体,二茂铁为催化剂前驱体,利用气相流动催化热解法在850~1160℃连续合成了单壁碳纳米管(SWNTS)。

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14、

The process includes synthesis, dry and roast of cordierite precursor and so on.

该法由前驱体合成 、 干燥、煅烧等步骤组成.

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15、

The pioneers have overcome a series of obstacles.

前驱者已经克服了一连串的障碍.

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16、

A forerunner of block printing, this ancient technique provides copies true to the original.

这种方法便是雕版印刷术发明的前驱.

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17、

New , sterically demanding 1, 3-dialkylimidazolinium salts used as N-heterocyclic carbene precursors were synthesized and characterized.

合成并表征了一种新型的有空间需求的N - 杂环卡宾前驱体1, 3- 二烷基咪唑啉盐.

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18、

Important history includes palpitation, duration of prodrome and recovery , and presence of postural or exertional symptoms.

重要病史包括:心悸 、 前驱症状及恢复时间 、 以及体位性或劳力性症状.

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19、

In this paper , strontium lead titanate strontium lead titanyl oxalate tetrohydrate by chemical coprecipitation.

采用化学共沉淀法经前驱体草酸氧钛锶铅制得钛酸锶铅粉末.

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20、

The citrate sol-gel synthesis method has been used to prepare zinc ferrite.

采用硝酸铁、硝酸锌、柠檬酸制备前驱体,在不同加热温度与速率下制备锌铁氧体.

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21、

The preparation of Nickel-based cathode materials for Lithium-ion batteries was studied.

本文讨论了前驱体法制备镍基锂 离子电池 正极材料的方法.

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22、

The nanometer TiO _ 2 supported samples were prepared by liquid phase deposition method.

以硫酸钛作为前驱体,采用液相沉积法在自制硅酸盐微球上负载纳米二氧化钛.

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23、

A new method for preparing nanometer-sized neodymium oxide through thermal decomposition was introduced.

介绍以加入添加剂的氢氧化钕为前驱物,通过热分解法制备纳米氧化钕粉体的方法.

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24、

Violent model: Cent period, prodromal stage, excitement period and paralytic period.

狂暴型:分 三期, 前驱期 、 兴奋期和麻痹期.

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25、

The person rabies'symptom may divide into: Prodromal stage, manic time, paralysis time three stages.

人狂犬病的症状可分为: 前驱期 、 狂躁期 、 麻痹期三个阶段.

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26、

N-doped TiO2 photocatalysts were prepared by calcinations of the hydrolysis product of tetrabutyl titanate with saturated urea solutions in ambient atmosphere at different temperature.

以饱和尿素溶液水解工艺制备TiO2煅烧前驱体,在前驱体中引入掺杂氮源,于400~700℃的空气气氛下煅烧2h,制得淡黄色的掺氮TiO2光催化剂;

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27、

All children underwent evaluation for risk factors for diabetes or the precursor condition, pre-diabetes.

所有这些孩子都有患上糖尿病或糖尿病前期 、 前驱性糖尿病的风险.

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28、

There are now various chemical processes available including sol-gel, polymer precursor, molecule and nanoparticle assembly.

目前主要的化学工艺有溶胶 - 凝胶技术 、 前驱体聚合技术及分子和纳米颗粒组装.

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29、

Carbonaceous mesophase is an excellent precursor for carbon materials, especially those with high additional value.

炭质中间相是制备炭材料, 尤其是高附加值炭材料的优质前驱体.

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30、

Clinical process divides typical armour hepatitis a phase: is preclinical, prodrome period, is icteric period, convalescence.

典型的甲型肝炎临床过程分四个阶段: 潜伏期, 前驱症状期, 黄疸期, 恢复期.

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