查询词典 heterogeneous

According to classical nucleation theory, it was possible to distinguish the homogeneous and heterogeneous nucleation from the influence of temperature and supersaturation on induction period.

本文根据经典均匀成核理论，分别研究了硝酸酸沉和盐酸酸沉制备的四钼酸铵过饱和溶液的成核过程，并讨论了过饱和比和温度对成核速率及成核机制的影响。

Proposed a new method of data assignment on heterogeneous disk system.

提出了一种新的异构系统数据分配方法。

With the development of applications and storage technology, heterogeneous disk system comes forth.

随着各种存储系统应用和技术的不断发展，出现了异构磁盘系统。

The precise determination of the permeability for porous media is an important part of the study of heat and mass transfer in porous media. The traditional Taylor formula does not work well in some applications, particularly for heterogeneous porous media.

多孔介质渗透率的准确确定是多孔介质传热传质研究的一个重要组成部分，而传统的Taylor公式对于不均匀多孔介质的预测效果很不理想。

This artificial order-driven stock market with relatively sophiscated trading mechanism is comprised of the two types of traders: fundamentalists and technicalist interacting with each other, differing from its predecessors that consist of the only one type of heterogeneous agents interacting in a simple trading mechanism.

另外，本文所建立的订单驱动的股票市场不仅具有比较复杂的交易机制，而且由异质的基础交易者和技术交易者两类交易者共同组成，不同于以往单一性质的交易者构成的只具有简单交易机制的金融市场。

Results of estimation of effective parameters in heterogeneous show that: i Seff and Teff values evolve with time, as well as the principal directions of the transmissivity; ii Seff approaches the arithmetical mean of the field; iii Teff converges to its geometric mean at large time for the Gaussian random field we generated; and iv the averages of local T and S values within the cone of depression at early times differ from the Teff and Seff values.

研究结果在空间异质性孔隙介质有效参数的推估方法方面，显示利用传统抽水试验分析来估计有效参数时，从长时间的抽水试验分析所得的流通系数代表在抽水井有效半径内所有流通系数的某种平均值；此平均值与抽水井及观测井附近的地质有很大的关系，而且可能受到有效半径内地质异质性的影响，而储蓄系数的估计值变异很大与抽水井与观测井间地质的储蓄系数特性有关，特别是观测井的位置。

Estimations of effective parameter in heterogeneous media: Firstly, we clarify the concept of the effective parameter and address the problems of parameter estimation by traditional pumping test. Secondly, we present two estimation approaches (i.e., distance-drawdown and spatial moment analyses) for Seff and Teff, which are consistent with Theis' homogeneous aquifer assumption.

本文探讨的内容主要分两大部分：(1)空间异质性孔隙介质有效参数的推估方法：主要探讨内容包括重新思考有效参数的定义及其观念，探讨传统抽水试验推估异质性含水层有效参数的一些问题，其次提出估计异质性地下水系统有效参数两个合理方法：泄降-距离曲线分析和泄降分布的空间矩分析，并以数值实例解释其合理性，文中藉由分析数值模拟的结果探讨说明该问题。

In research and development of the system, mainly concluding key technologies of software-hardware environment analysis, no adapter interlink, terminal simulation, communication, sharing resources, binary file transfer algorithm , concurrent process, database-dumping and sharing, and to accomplish the basic a software design of E-classroom by adopting distribution system concept in minicomputer side , to accomplish the main software design of E-classroom by Winsock in microcomputer side , to study teacher software integration , try to realize transparent communication in the highest limit and sharing resources in the fullest extent , at last, weak and counter measure of the system is given, and the overall objective of heterogeneous computer is given to try to provide resemble system development with theory guide.

该系统的研究与设计过程中主要涉及软硬件环境分析、异型机无网卡互连、终端仿真、异型机通信、资源共享、二进制文件传输算法、并发进程、数据库转储与共享等关键技术，利用DSM分布式系统的概念完成了小型机部分电子教室的基础性软件设计，利用Winsock完成了微型机部分电子教室的主要功能模块，利用并发进程的概念研究了教师机软件的集成问题，使异型机用户之间达到最大限度的透明通信及充分的资源共享，给出了异构电子教室的弱点及解决对策，提出了系统的总体目标，力争为类似系统的研制提供理论指导。

For inheriting the dynamic constraint information of the multibody simulation model, topological configuration of the multibody simulation model was built, and simplified constraint form was put forward with the topological mapping of the multibody simulation model in the heterogeneous systems. To transform the information of the multibody simulation model, the offset matrix which transformed the location and orientation of constraints and the matrix which transformed the location and orientation of parts were computed.

利用多体动力学仿真模型在异构系统的拓扑映射，建立多体动力学仿真拓扑构型，提出仿真模型动力学约束的约束简型表示法，实现动力学约束信息的关联继承，并通过约束偏置变换矩阵和构件位姿变换矩阵的求取，驱动多体动力学仿真模型构件和约束位姿的自动调整，实现多体动力学仿真模型的动态转化。

Results show that the incorporation of tremolite has the function of heterogeneous nucleation to nylon 1010 crystallization. With the increase in tremolite, the crystallization rate of nylon 1010 is enhanced and the Avrami exponent n is slightly decreased.

结果表明：透闪石对尼龙1010结晶起到了异相成核的作用，尼龙1010的结晶速率随透闪石的含量的增加而提高，Avrami指数n略有降低。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。