1)precursor[英][pri:'k?:s?(r)][美][pr?'k?s?]前体物
1.EKMA graphs are obtained,which reveal a nonlinear relationship between O3 and its precursors VOCs(Volatile Organic Compounds)and NOx.利用EKMA(Empirical Kinetic Modeling Approach)-经验动力学模拟方法及其内置的CB-IV化学反应机理对2000年夏季北京市近郊区光化学污染进行研究,得到了前体物VOC、NOx与O3之间的非线性关系,即EKMA曲线。
2.It had been compared that the efficiency of control disinfection by-products and their precursors by two classes and total 7 kinds of process combination.为实现在控制藻类的同时减少副产物生成量,比较了预氧化+常规工艺、预氧化+常规+深度处理2类共7种组合工艺对消毒副产物及其前体物的去除特性。
3.It is compared that the efficiency of control disinfection by-products and their precursors by sequeutial-chlorination disinfection and traditional free chlorination disinfection following different processes combination.为实现对消毒副产物的控制,比较了新开发的顺序氯化消毒工艺与传统氯消毒工艺在常规工艺、常规+深度处理工艺、预氧化+常规+深度处理工艺中对消毒副产物及其前体物的去除特性。
英文短句/例句
1.Characteristics of O_3 and Precursors Concentrations in Hangzhou Urban Areas杭州主城区O_3与前体物浓度变化特征
2.Research Advance of Glycosides from Tobacco as Flavor Precursors烟草中糖苷类香味前体物质研究进展
3.Investigation on the Removal of Disinfection By-products Precursor by TiO_2 Films Catalyzed Ozonation;TiO_2薄膜催化臭氧化去除消毒副产物前体物研究
4.Export Selected Objects Only只输出当前选择物体
5.the part of a scene (or picture) that lies behind objects in the foreground.在前景中的物体后面的情景或图象。
6.apply force so as to cause motion towards the source of the motion.对物体施加压力使它停止向前移动。
7.An almond-shaped mass of gray matter in the anterior portion of the temporal lobe.扁桃体颞的前部杏仁状块状灰色物质
8.To dip(food) into a liquid before eating it.将（食物）在食用前在液体中浸一浸
9.Brain：Concentration of nerve tissue in the front or upper end of an animal's body.脑:动物身体前端神经组织集中的结构。
10.An undisturbed object continues to move uniformly in a straight line.未受干扰的物体继续沿直线匀速前进。
11.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。
12.Biological Properties of Hepatic Progenitors in Rat Developing Fetal Liver;大鼠胎肝前体细胞的生物学特性研究
13.Studies on the Submicron Emulsions of Ketoprofen Ester Prodrugs;酮洛芬酯类前体药物亚微乳剂的研究
14.Study on vegetables logistics system in China:Review and Forecast中国蔬菜物流体系研究:回顾与前瞻
15.Studies on Pharmacokinetics of Daidzein and Its Prodrugs;大豆苷元及其前体药物的药物动力学研究
16.Synthesis of Fatty Amine Substituted Anthraquinones and Their Precursory Compounds;脂肪胺取代蒽醌衍生物及其前体化合物合成
17.Advances in studies on biosynthetic pathway of taxol precursor and its correlative biotechnology紫杉醇前体生物合成途径及生物技术研究进展
18.Drug-Metabolizing Enzymes and Transporters: Roles in the Human Prostate Cancer Chemotherapy药物代谢酶及转运体与前列腺癌药物治疗
相关短句/例句
precursors前体物
1.Recent advances in research of TSNAs and their precursors;烟草特有亚硝胺及其前体物研究进展
2.Effects of nitrogen level on TSNA precursors content and nitrate reductase activities in flue-cured tobacco氮用量对烤烟叶片TSNA前体物含量及硝酸还原酶活性的影响
3.The correlation between O_3 and its precursors(NO,NO_2,CO) and related meteorological factors(solar radiation,temperature) was analyzed.利用2003年夏季济南市区近地面大气O3、相关前体物和气象因素等观测数据,研究了O3浓度的分布特征及时间变化规律,分析了7月份O3与NO、NO2和CO等前体物及太阳辐射和气温气象条件的相关性。
3)precursors前体物质
1.Effects of Precursors on Biosynthesis of Coenzyme Q_(10) in Tobacco Cells前体物质对烟草细胞辅酶Q_(10)合成的影响
2.The variation of chicken flavor precursors concentration in heating was studied in this paper.对比了鸡肉风味前体物质在加热过程中的变化 ,结果表明 ,在加热过程中 ,还原糖总量呈下降趋势 ,可溶性氮总量稍有增加 ,IMP(5’ 磷酸肌苷 )和GMP(5’ 磷酸鸟苷 )的总量则呈先增加后下降 ,呈鲜味的天门冬氨酸和谷氨酸含量持续增加 ,呈甜味的甘氨酸的含量也在增加 ,重要的肉类风味前体物含硫氨基酸———蛋氨酸和半胱氨酸则出现先增加后减少的现象 ,鸡肉中的不饱和脂肪酸 ,特别是亚油酸 ,在加热过程中趋于减少 ,而饱和脂肪酸的含量则变化不大。
3.The form of precursors and flavor of beef are discussed, chemical classification of theflavor is introduced and some characteristic compounds in flavor substance of beef are emphatically approached.论述了牛肉风味前体物质，风味物质的形成途径，介绍了牛肉的风味成分及其化学分类，并对牛肉风味物质中的一些特征化合物进行重点探讨。
4)prodrug[英]['pr??,dr?g][美]['pro,dr?ɡ]前体药物
1.Design,synthesis and antitumor activity of ATRA and butyric acid or valproic acid prodrugs;全反式维甲酸-正丁酸(丙戊酸)前体药物的设计、合成及抗肿瘤活性研究
2.Preparation of curcumin prodrugs and their anti-tumor activities in vitro;姜黄素前体药物的合成及其体外抗肿瘤活性研究
3.Studies on the Stereoselectivity in Transdermal Permeation and Metabolism of Ketoprofen Prodrugs;酮洛芬前体药物皮肤渗透代谢的立体选择性研究
5)precursor[英][pri:'k?:s?(r)][美][pr?'k?s?]前体物质
1.The effect of precursor and C & N source feeding strategy on L-Arginine production by Corynebacterium crenatum SYAN7 was studied.研究了前体物质和碳氮源补加策略对钝齿棒杆菌Corynebacterium crenatum SYAN7发酵生产L-精氨酸的影响。
2.Effect of cultivative time and precursor \$p\$\|hydroxybenzoate on ubiquinone yield was investigated.并利用表达泛醌合成基因的大肠杆菌培养过程中泛醌含量的变化以及添加前体物质对提高大肠杆菌泛醌合成量进行了初步研究 ,确定了稳定生长前中期是生物体中泛醌含量最高时期 ,引进泛醌合成的外源基因以及在培养基中添加 0 。
3.Combining with the selection of anti-precursors mutants(valine and D-deoxy-glucose resistance), the high-producing avermectin strain AV-03-35 was obtained.在分离培养基中分别加入不同体积分数的缬氨酸和D-脱氧葡萄糖作为前体物质进行正突变株的定向筛选,选育得到阿维菌素高产菌株AV-03-35,其摇瓶发酵效价达到4695u/mL,较出发菌株提高15。
6)mineral precursor矿物前体
1.Absorption reaction of two types of mineral precursor was experimentally researched.通过两类矿物前体对A s(Ⅲ)阴离子的吸附反应的实验研究发现:这两类矿物前体在吸附反应过程中pH值均发生了明显变化,它们对A s(Ⅲ)的吸附均属于化学吸附。
延伸阅读
体物1.生成万物。 2.描述事物;摹状事物。
