The exact abundances of the three lightest elements are an important test of the so-called Standard Model of physics-the list of fundamental particles found so far and the forces that link them.
物理标准模式理论中有一项极为重要的试验,该试验检测的是宇宙空间中3中质量最轻元素的确切丰度,即需要列出到目前所发现的基本粒子与将它们融合起来的各种作用力。
The systems using three parameters Logistic model, in view of the value of data, the practice has proved that it can resolve the exposure problems in the current adaptive test.
系统采用三参数逻辑斯蒂模型,针对二值型数据,该系统能有效地解决目前自适应测试中不可避免的试题曝光度问题。
According to the homogeneity test for error variance on total-effect random model with three factors in double repeated experiment, the specific formulae of test statistics and test rule are deduced.
研究两次重复试验三因子全效应随机模型误差方差的齐性检验问题,推导了检验统计量和检验规则的具体表达式。
Three sets of model test in laboratory show that the failure model in the foundation with soft clay underlying layer belongs basically to the punching shear failure.
三组室内模型试验表明具有软弱下卧层的地基破坏模型基本上属于冲切破坏。
Dynamic model test of overflow dam section of Three Gorges Project was carried out on a large-scale vibration actuating system.
利用大型三向六自由度地震模拟振动台,对我国三峡工程溢流坝段进行了动力模型试验。
According to the test of 9 specimens, a failure model and load transfer mechanism of steel-fiber reinforced concrete (SFRC) thick pile cap with three piles is analysed.
根据9个试件的试验结果,分析了钢纤维混凝土三桩厚承台的破坏模式与传力机理。
Finally, this paper adopts three different methods to test the validity of financial crisis warning model, that is self-validated, cross-validated, and forecasting-validated.
四是本文采用三种检验方法,即自身检验法,交互校验法和预测值检验法,对财务危机预警模型进行有效性检验。
Based on analysis and study the dynamic output of accelerometer, simulating model of accelerometer, mathematical model of three-axis turntable and the characters of test errors are synthesized.
在分析和研究加速度计动态输出的基础上,综合了加速度计仿真模型和三轴转台数学模型以及测试误差的特性。
At present, four methods are mainly used for reinforcement earth research: prototype test, model test, three-axial compression test, direct shear test and drawing test.
目前加筋土的试验研究主要有四种方法:原型试验、模型试验、三轴压缩试验、直剪试验和拉拔试验。
A tube shell heat exchanger model was used to serve as the test section, devided into four crossing paths by three baffles along its length.
实验段采用壳管式换热器模型,沿长度方向用三块折流板将管束分成四个冲刷流程。
Model test was completed under three worst-cases of load. The results of test were compared with the theoretical values.
完成了三个最不利荷载工况下的模型试验,并对试验结果和理论结果进行了对比分析。
In the thesis, the basic principle, model, parameter estimation and information function of IRT are discussed based on three education test theories.
本文首先在介绍了三种教育测量理论的基础上,较详细地论述了项目反应理论的基本原理、模型、参数估计以及信息函数等。
The three-dimensional imaging software of the multi-wave detecting computer processes the test data and the imaging results match the given model.
用研制成功的多波检测计算机三维成像软件系统对观测数据进行处理,其成像结果与已知模型基本相符。
Utilizing the related physical model, the linear system of equations solved for the three components of the amplitude of the arbitrary point on the test object may be derived.
利用有关的物理模型,便可导出求解被测物体上任一点的振幅的三个分量的线性方程组。
Chaper three has tested the qualitative conclusion quantitatively by the Cointegration Theory, Error Correction Model and Granger Causality test.
第三章运用协整理论,误差修正模型及格兰杰因果关系检验对定性分析结论进行了实证定量分析检验。
The simulation test results show that the three-parameter Weibull distribution model of front-wheel swerve shimmy damper hydraulic booster is more accurate than the two-parameter Weibull distribution.
仿真试验结果表明,前轮转弯减摆助力器的三参数威布尔分布模型比两参数威布尔分布模型更为精确。
The paper describes systematically the principles of the model test techniques using the electric-resistance networks to simulate the three-dimensional seepage problems and its practical applications.
本文较系统地介绍了三向电阻网渗流模型试验原理及其实际应用,提出了较合理的模型电阻计算方法和测试技术和水力坡降计算公式。
CHXY products can effectively complete complex parts, the model of three-dimensional measurement, mapping, can replace square box, plan-pin, high ruler for marking test.
CHXY系列产品既能有效完成复杂零部件、模型的三维空间测量、测绘,又可替代方箱、划针、高度尺进行划线检测。
In view of the uncertainty in the load moment of inertia and the disturbance of test table with three or more axes, a discrete time model reference adaptive control is presented in this paper.
针对多轴转台中负载转动惯量和干扰力矩的不确定性,提出了一种离散的模型参考自适应控制方法。
Because of the good correspondence of the FEM results and test data by comparing, the three-dimensional FEM model is effective and reliable.
比较有限元计算结果与实测数据,其吻合较好,说明所建立的三维有限元模型是有效、可靠的。
As the three-dimensional flutter theory is still not satisfactory at present, it seems necessary to have a full-model wind tunnel test for such a type of bridge.
斜张桥的三维颤振理论目前尚不成熟,有必要进行这种桥型的全模型风洞试验。
In this paper, by the model test, authors study some design of support structure system with three-lane road tunnel of small-scale and high-span.
本文针对高跨比较小的三车道公路隧道,结合某工程设计的支护结构体系进行了模型试验研究,并进行了必要的有限元计算分析。
An example with two Bridges and three classes of vehicle is used to test the model and al...
还对一个含两座桥梁与三种车型的简单算例,进行了计算与分析。
The installation of experiment is founded based on two-dimensional beds model and three-dimensional beds model in the test.
本文就是对气固流化床中的单个上升气泡与密相的传质问题进行了实验研究和理论分析。
The paper has presented a three-dimensional photoelastic model test method and its relative calculation formulas.
本文介绍了三向光弹的试验方法及计算公式。
The deaggregation effect of three kinds of dry powder inhalers with different air inlet angles was investigated using salbutamol sulphate as a model drug through the test in vitro.
以硫酸沙丁胺醇粉雾剂为模型药物,通过体外试验比较3种不同类型干粉吸入器的分散效果。
The deaggregation effect of three kinds of dry powder inhalers with different air inlet angles was investigated using salbutamol sulphate as a model drug through the test in vitro.
以硫酸沙丁胺醇粉雾剂为模型药物,通过体外试验比较3种不同类型干粉吸入器的分散效果。
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