查询词典 first order

The first -order rate constants for the transmembrane transport of the complxes into human erythrocytes were detemined and the mechanism was studied on the basis of the interactions of these complexes with cellular membranes and liposome by ESR,fluorescence technique, mercapto measurement and gelchromatography.

测定了它们跨人红细胞膜的一级反应动力学常数。用膜蛋白巯基滴定、荧光标记、自旋标记ESR谱等方法研究了它们与膜蛋白、膜脂的相互作用；用脂质体模拟了这些配合物的细胞摄入。

Kinetic analysis shows that biodegradation of organics by psychrotrophs at low and mesothermal temperature as well as mesophilic bacteria at mesothermal temperature are in accordance with the model of first-order reaction.

对长期在4℃条件下运行的生活污水处理系统中活性污泥的菌群组成进行分析鉴定，探讨了菌群降解低温污水中有机污染物的动力学过程。

Results showed that the kinetics of photocatalytic degradation of ethylene by TiO2/ACF desoposited Pt in the simulated cold storage environment for horticultural products could be described using the pseudo first-order equation. The prepared TiO2/ACF-Pt, in the process of which Pt was initially deposited on the surface of ACF and then TiO2 was coated, would promote the activity of ethylene decomposing. When ion sputtering time was 60 seconds (Pt/Ti atomic concentration ratio was 0.112), the apparent rate constant of the reaction of TiO2/ACF-Pt was 1.16 times as much as that of TiO2/ACF. The micrographic structure of ACF was not damaged and an excessive porous structure, which was contributive to absorbing the diluted ethylene, was obtained by the way of ion sputtering Pt.

结果表明：在模拟园艺产品冷藏环境中，TiO2 /ACF-Pt光催化降解乙烯的动力学可用表观一级速率方程来描述；ACF表面先溅射沉积Pt，再进行TiO2附着方案，能提高降解乙烯的能力，当溅射时间为60 s（Pt/Ti原子浓度比为0.112）时，表观一级速率常数是未溅射Pt的1.16倍；TiO2/ACF-Pt的制备方法，对ACF形貌结构没有破坏，并能得到有利于对微量乙烯的吸附的多孔结构。

They are to monadic predicate logic what Boolean algebras are to propositional logic, and what polyadic algebras are to first-order logic.

它们对应一元谓词逻辑，而布尔代数对应于命题逻辑，而多元代数对应于一阶逻辑。

The nitrosification of suspended activated sludge of SBBR one-step completely nitrogen removal process could be defined as the first order reaction.

单级自养脱氮系统中悬浮态活性污泥的亚硝化反应可以近似按一级反应表示，反应速率随生物量的增加而增加。

If the first-order term vanishes, noncollinear interaction tree waves are group matching.

研究了周期性极化晶体非共线参量放大的群速匹配和群速色散。

The photodegradation of PAH on fly ash surfaces follows pseudo first-order kinetics under the irradiation of simulated sunlight with UV-B, whereas inner PAH of fly ash is photostable.

燃烧过程中产生的烟灰中含有一定浓度的PAH，在模拟太阳光中的UV-B部分的照射下，烟灰表面的PAH的光解符合一级动力学方程，而烟灰内部的PAH比较稳定，难以光解。

To fulfill the requirements of reliability, extensibility and adaptability, this dissertation proposes a Holon-based control architecture for flexible manufacturing shop floor using a bottom-up design approach. The inner structure of component Holon, the relationships of data and functions among Holons, the model of message transfer and the basic specification of communication language are described in detail. Then, from the aspect of software architecture, a formal description and analysis of the proposed architecture is conducted by First-order Polyadic pi-Calculus.

针对可靠性、可扩展性和适应性等要求，提出了基于Holon的柔性制造车间控制体系结构，描述了组件Holon的结构模型、数据和功能关系、信息传递模型和通信语言基本规范，并从软件体系结构的观点出发，运用π演算对其进行了形式化描述和分析，为基于Holon的体系结构设计和分析奠定基础；3。

The first order gradient information was obtained by the analytical method and preconditioned automatic differentiation.

在该方法中优化命题采用简约空间SQP算法求解，求解过程中需要的导数信息采用解析表达和预处理的自动微分技术求取。

The random errors of main factors in flood regulation process are identified; and combining flood forecast, the randomnesses of main parameters such as initial reservoir level, inflow flood, outflow flood, etc., are analyzed. By using the first order second moment method and theoretic distribution, the random distributions of parameters are described then the routing process of a certain preflood limit water level is random, which can well reflect the random preflood influences in actual regulation.

对防洪调度过程各主要相关参数进行了随机误差识别，结合洪水预报对起始水位、人库洪水、泄流等主要参数的随机性进行分析，应用一次二阶矩法和相应的理论分布函数描述事件的随机分布，对应某一汛限水位的调洪过程不再是一确定过程，而是具有随机分布特性，反映了实际防洪调度中各随机因素的影响作用。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。