查询词典 agents

The development of antibiotics agents and β-lactam antibiotics were briefly described in this paper, both the development of cephalosporins and the characteristics of Cefradine were introduced. The synthesis of Cefradine was studied particularly.

本论文简述了抗生素及β—内酰胺类抗生素的发展概况，详细介绍了头孢菌素类抗生素的进展与第一代头孢菌素类药物——头孢拉定的特点，着重研究了头孢拉定的合成。

Only a handful of agents patrol a land mass comparable in size to some smaller American states.

只有少数代理人巡逻的土地面积比较大的一些较小的美洲国家组织。

Shenzhen Fu Lande Trading Company is the Asia-Pacific region's top brand PVC vinyl floor tiles, rubber flooring, sports flooring, anti- electrostatic floor and handrails hospital dedicated professional agents.

深圳市福兰德商贸有限公司是亚太区顶级品牌PVC胶地板、橡胶地板、运动地板、防静电地板及医院专用扶手的专业代理商。

The selective extraction and separation of yttrium from heavy lanthanide by CA-100 in the presence of complexing agents were investigated.

研究了在络合试剂的存在下CA-100萃取重稀土的行为及Y同重稀土的分离情况。

To determine the effect of anesthetic agents on the plasma concentration of laudanosine that produces seizure activity, the author administered laudanosine by i. v. infusion to rabbits with 7 different regimens.

家兔按Wagner氏双速率法静脉点滴Laudanosine溶液使血浆浓度达200，400，800ng/ml左右时，其氟烷MAC较对照（1.08±0.28%）分别增高8，22和30%左右，但无惊厥体征或脑电变化出现。

I've no idea whether these agents might include laughing gas or bad odours, but it certainly sounds like no laughing matter.

我不知道这些化学剂是否可能包括笑气或不良气味，但可以肯定的，这不像是在开玩笑。

The approach itself showed no discrimination against the meta-stable polymorphs of calcium carbonate and could lead to any polymorphs by adding different organic controlling agents.

酯水解法本身对于碳酸钙的介稳态晶型也不存在歧视性，可以通过加入不同的有剂控制剂，导向不同晶型的碳酸钙。

In treatment of lead poisoning with Na-DMS or Ca-Na2-EDTA, the time of alleviation of lead colic and the increase of urinary lead were similar in both chelating agents.

二疏基丁二酸钠是我国年来的临床应用，对两药的某些疗效与副作创制和创用的治疗铅中毒的有效药物。

The effect of alkaline metal oxides and fluorides on the performances of green leadless fluxing agents for overglaze colors were studied by means of orthogonal experiments.

应用正交试验法，研究了碱金属氧化物及氟化物对环保型无铅釉上彩熔剂性能的影响。

The performances of leadless and cadmiumless fluxing agents for overglaze colors were studied based on alkali-boron-silicon fluxing agent system.

用正交实验法研究了在碱-硼-硅系统基础熔剂中，外加助熔助色成分MgO、CaO、SrO、BaO四种碱土金属氧化物的添加量及R2O：RO、SrO：CaO、RO：SiO2对无铅无镉釉上彩熔剂性能的影响规律。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。