presence的例句大全

This study provides a new understanding on the photodetachment process of H-in the presence of a metal surface.

这一研究对于分析H-在金属面附近的光剥离过程提供了新的理解。

1,4-Naphthoquinone is synthesized by oxidation using naphthalene as raw material, cerous sulfate as oxidant in presence of sulfuric acid, and with 140# solvent naphtha as solvent. Reduced cerous sulfate can be regenerated by electrolysis and reused in reaction repeatedly.

用萘为原料，硫酸铈为氧化剂，140溶剂油为溶剂，在硫酸存在下氧化合成1,4萘醌，氧化剂硫酸铈被还原后，通过电解再生，循环使用。

The servants showed somewhat constraint in the master's presence.

仆人在主人面前显得多少有点局促.

Mr. Moni é said that HNA Group's logistics and its presence in China would support the growth of Ingram.

莫尼说，海航集团的物流业务以及在中国的影响力将促进英迈的增长。

The presence of vesicoureteric reflux does not identify a population at risk for renal scarring following a first urinary tract infection

膀胱输尿管反流现象的存在并不能说明首次泌尿道感染后肾脏瘢痕形成患病风险增加

Objective Primary biliary cirrhosis ( PBC) is characterized by frequent presence of anti mitochondrial antibody ( AMA).

目的原发性胆汁性肝硬化（PBC）的最重要特征为血清抗线粒体抗体（AMA）阳性，但少数PBC病例AMA阴性。

Fixes incorrect indication of MSN contact presence status.

修正MSN联系人在线情况显示错误问题.

Acidic FGF production persisted after multiple passages and did not depend on the presence of serum.

在多样的通过以后酸性的FGF生产不屈不挠并且没取决于浆液的出席.

I've had ample opportunity to observe Browning and adopt his physical presence, study his, and so on and so forth.

我有很多机会来观察布朗宁。模仿他的外貌身形，研究他的言行举止等等。

Numerous times, I've seen how the loving presence of an animal can heal where words have no effect.

我无数次见证过，一只充满爱意的动物的出现如何医治言语未能奏效的创伤。

It is suggested that presence of gastrointestinal tumor should case of secondary RPF.

对继发性腹膜后纤维化应警惕是否合并消化道肿瘤.

TMA burns spontaneously in the presence of oxygen.

这些云是人为的,是研究地球电离层的科学家门创造的.

I shrunk in the presence of Michael Jordan, the greatest basketball player ever.

在迈克尔.乔丹这位最伟大的篮球运动员面前,我畏怯了.

I was still shy and half paralyzed when in the presence of a crowd.

当我置身于人群中的时候,仍然怕羞而且有些不知所措.

Does its sanitizing capability be interfered with a presence of organic substances?

有机物会否对消毒产品产生干扰?

Electrochemical Behavior of Hemoglobin at Bare Silver Electrode in the Presence of Tetramethylammonium Chloride and Its Application

在四甲基氯化铵促进下血红蛋白在裸银电极上的电化学行为及分析应用

In the presence of the phase transfer catalysts such as tetramethylammonium bromide, tetraethylammonium bromide or polyethylene glycol ( MW 400 and 6,000), lithium hydroxide is the best alkali among lithium hydroxide, sodium hydroxide and potassium hydroxide.

研究表明在溴化四甲基铵、溴化四乙基铵、聚乙二醇（分子量为6000）和聚乙二醇（分子量为400）相转移催化体系中，氢氧化锂最好，氢氧化钾次之，氢氧化钠最次。

He found himself peaceful and fairly comfortable in her presence.

他觉得在她面前并不慌乱,而且相当自在.

Reactive pyrolysis gas chromatography ( Py-GC) in the presence of an organic alkali, tetramethylammonium hydroxide(( CH3) 4NOH, TMAH), was applied to the compositional analysis of natural resin shellac.

研究了有机碱试剂，氢氧化四甲铵（tetramethylammonium hydroxide TMAH）共存下的反应热裂解气相色谱（Py-GC）应用于天然树脂紫胶的化学组成分析。

He imagined a seraphic presence in the room.

他想象自己能像天使一样出现这个屋子中.