| 释义 |
va·lent 英'veilənt美'veilənt COCA²⁸⁰¹³⁶⁺⁵BNC¹⁷³⁹⁹⁵⁺²
基本英英派生词例句
adj.化合价的¹⁰⁰
Adjective:
chemistry having valence; usually used in combinationPsexvalent六价的Pbivalenta.二价的Pdivalenta.二价的Phexavalent六价的Psemivalent半价的Psexivalent六价的Pheptavalent七价的Pseptivalent七价的Ptervalenta.三价的Ptrivalenta.三价的Pzero-valent零价的Pmonovalenta.单价的Ppolyvalenta.多价的Ppentavalenta.五价的Ptetravalenta.四价的Pquadrivalenta.四价的Pquantivalent化合价的Pnonvalent无价的惰性的Pquinquivalenta.五价的Pmonavalent一价的单价的Pnon-valent无价的零价的Poctavalent八价的八价的Pquadricovalent四配价的Pseptavalent七价的七价的Punivalenta.一价的单价的Pcovalenta.共有原子价的共价的Pquinquevalenta.有五种不同原子价的五价的Pmultivalenta.多原子价的多价的有多种意义的
Based on column experiments, we investigated the potential using sulfate reducing bacteria SRB and zero- valent iron ZVI to synergetic treat contamination in wastewater such as sulfate, uranium, etc.
本工作通过柱实验研究了硫酸盐还原菌 SRB和零价铁 ZVI协同去除废水铀和硫酸盐等污染物的潜力。 dictall
In the disappearing existence sentences, the verbs must be mono- valent ones.
隐现句中的动词只能是一价动词。 cnki
It is obtained that the total electronic density of states in valent band has two peaks, which can semi- quantitatively agree with experimental valent band electronic spectra.
在价带总态密度上得到两个峰，能够半定量地符合实验价态电子谱。 cnki
It was concluded that there were two promising methods in remediation of TCE polluted groundwater: bioreactor and zero- valent iron.
TCE污染的地下水的修复技术，有推广前景的主要有：微生物处理和金属铁还原技术。 cnki
Progress in pinacol coupling of aldehydes and ketones using low valent titanium is reviewed in recent years.
文章综述近几年来由低价钛还原偶联醛酮合成片呐醇的进展。 dictall
The degradation of acid violet red B, a kind of azo dyes, catalyzed by zero- valent iron, follows first- order kinetics.
酸性紫红 B的零价铁催化还原降解遵守一级动力学。 dictall
The evidence on the safety of the7- valent pneumococcal conjugate vaccine and other pneumococcal conjugate vaccines is reassuring.
关于7价肺炎球菌结合疫苗和其他肺炎球菌结合疫苗的安全性证据是可靠的。 who
The objective of this study was to produce multi- valent egg yolk immunoglobulinIgYagainst mastitis and detect the content of specific IgY.
本研究的目的是制备抗奶牛乳腺炎主要致病菌的多价卵黄抗体并检测特异性抗体的含量。 dictall
The7- valent pneumococcal conjugate vaccine could cover most of the isolates.
肺炎链球菌7价结合疫苗可覆盖多数分离株。 cnki
A nine- valent pneumococcal conjugate vaccine which showed16% protection against overall child mortality in The Gambia;
一种九价肺炎球菌结核疫苗，它在冈比亚显示对儿童总死亡率的保护率达16%； who
Experimental results show that the supported nano zero- valent iron can rapidly reduce nitrate nitrogen.
结果表明，负载型纳米铁在中性条件下能够快速将硝酸盐氮还原而去除； cnki
However, the oxygen vacancies can be enhanced through doping low valent ions, so that the conductivity of the electrolyte materials increased, and the structure was slightly changed at the same time.
然而通过掺杂可以提高其氧空位的浓度，进而提高电解质材料的电学性能，与此同时掺杂也会使其结构发生细微的变化。 cnki
In the acid condition, iodine ions can be oxidized by three- valent iron ions and elementary iodine can be separated.
在酸性条件下，三价铁离子可氧化碘离子，并游离出单质碘。 chemyq
In this study,340 pregnant women in the third trimester were randomly assigned to receive inactivated influenza vaccine or the23- valent pneumococcal polysaccharide vaccine control.
在这个研究中，340名孕妇在孕期第三个三个月中被随机的分配接受灭活流感疫苗或者23-价肺炎球菌多糖疫苗注射对照。 org
It was revealed that the formation of cerium conversion coatings involves a chemical dissolution process of anodized film and an electroreduction process of4 valent state cerium compound.
研究结果表明铈转化膜的生成包括阳极氧化膜的化学溶解和4价铈化合物的电化学还原两个过程； cnki
Mono- valent noun can be classified semantically. A mono- valent noun of different classification has different characteristics.
一价名词从语义上可以进行次分类，不同类别的一价名词具有不同的特点。 cnki
Objective To evaluate the safety and immunogenicity of23- valent pneumococcal polysaccharide vaccine.
目的评价23价肺炎球菌多糖疫苗的安全性和免疫原性。 dictall
Pinacol coupling reaction induced by low valent titanium has higher chemoselectivity and stereoselectivity, and has increasing attracted organic chemists in recent years.
由低价钛络合物诱发的片呐醇偶联反应，具有良好的化学选择性和立体选择性，近几年来又引起有机化学家们的极大兴趣与重视。 dictall
The paper reports the reductive coupling of aromatic ketones to alkanes by low- valent titanium salt.
本文报导用低价钛盐还原偶联芳酮为烷烃的反应。 cnki
The results show that Bi dopant suppresses the concentrations of positron capture centers and low- valent oxygen ions.
研究表明，铋掺杂使得晶体中的正电子捕获中心和低价氧浓度下降； cnki
The results show that: both ultrasound and zero- valent iron can degrade P-nitrochlorobenzene.
结果表明，超声波和零价铁都可使对硝基氯苯得到降解。 cnki
The toxicity of chromium in different valent are quite different.
不同价态的铬具有不同的毒性。 cnki
This paper reviews the deoxygenative reduction and dehalogenative reduction of organic compounds with the low valent tungsten reagents.
本文对低价钨试剂与有机化合物的脱氧、脱卤还原反应作了简要的叙述。 cnki
This paper reviews the reductive reactions and reductive coupling reactions induced by low- valent titanium reagents.
本文综述了低价钛试剂引起的还原及还原偶联反应。 cnki |