查询词典 characteristic value

Regardless to the research development or industrial application, nano metal powders are extensively discussed. Within these powders, the flammable and explosible nano aluminum, titanium and iron powders produce a great amount production and apply widely. Meanwhile, the surface/volume ratio of powders is increased significantly under nano scale, in which to enhance the ignition opportunity. Thus, the dust explosion hazard risk of nano powders could remarkable rise. In addition, the comparison of explosion phenomenon, test methods and quantification parameters between nano and micro scale is necessary to deeply investigate further. So that this project operates the explosion characteristic experiments to measure and determine such the maximum explosion pressure, minimum explosion concentration and explosion characteristic Kst value on above mentioned three nano metal powders. Expectantly, to provide the appropriate recommendations of safety prevention for nano dust explosion based on the experimental results.

奈米金属粉末无论是研究发展或是工业界应用，目前皆是广泛讨论研究之材料，其中，奈米铝粉、奈米钛粉以及奈米铁粉等可燃、爆性粉末，均有高额产量及大量应用领域，与此同时，在粉末粒径进入奈米尺度的情况下，粉尘比表面积大幅提升，增加此三种粉尘可被点燃的机会，因此，潜在的粉尘爆炸危害风险将广幅增加，另外，微米尺度粉尘爆炸的现象、测试方法以及量化参数是否具有相同的实验尺度基点，也需要深入探讨，故本次计画针对上述三种奈米金属粉末，进行三种不同粒径的爆炸特性参数实验，如最大爆炸压力、最低爆炸浓度以及爆炸特性参数Kst值之量测与计算，期能量化其粉尘爆炸特性，并据此提出适当的安全防护建议。

The article adopted a new filtering-cloud composing technology used to monitoring drought,analyzed the property of Ts—NDVI characteristic space and the TVDI's indicating drought ability, put forward the TVDI compute model, grade standard, and the impact estimation method. The result indicated: 1 the decade-composed data obtained by the maximum surface temperature principle has better ability than the composed data obtained by the maximum NDVI on monitoring drought; 2 in the Ts-NDVI characteristic space,the dry side and the wet side almost are horizontal lines when the NDVI is on the small side, the temperature difference is about 45℃; 3 the TVDI has inequable level on monitoring drought as its value, the less TVDI indicates without drought occurrence, the bigger TVDI shows the drought certainly happened, the unsure drought conclusion mainly comes from the middle TVDI; 4 the monitored results of Sichuan hot-drought in 2006, obtained by the remote sensing and by the climate index, are basically consistent, the estimating error on the bearing drought crop area and on the drinking trouble population is within 10%.

采用了干旱监测合成滤云新技术，分析了Ts—NDVI特征空间属性和TVDI指数干旱监测能力，提出了四川伏旱TVDI计算模型、分级标准、和影响评估方法，结果表明：1按最大地表温度原则得到的旬合成数据比按最大植被指数原则得到的旬合成数据具有更强的旱情监测能力；2在Ts—NDVI特征空间中当NDVI较小时干湿边几乎同为水平直线，两者相差约45℃；3TVDI指数因其大小不同而对旱情的监测能力也不一样，较小时说明没有干旱发生，较大时则一定有干旱发生，中间段对干旱的监测具有不确定性；42006年四川伏旱遥感监测与气候监测结果基本一致，农作物受旱面积与饮水困难人口数估算误差在10%以内。

At the same time it is know by analysis about matrix characteristic of the similar orthogonally that not only the characteristic value after the transformation is equal to the ones before the transformation and they are independence to time variable of the system, but also the eigenvectors of the formed system can showed the effect of the time variable on original system.

同时，根据矩阵正交相似的性质分析得知：不仅变换前后两个矩阵的特征值完全相同并与时间变量无关，而且时间变量对此系统的影响可以只由变换后系统的特征向量来描述，给出了非典型阻尼振动系统物理意义上的解释。

In order to do research on pipe flow and pump characteristics of polymer flooding and water flooding rod-pumped well in especially high water-cut stage, rheometric test aimed at production stream from polymer flooding and water flooding rod-pumped well in especially high water-cut stage has been made, and the characteristic of production stream in especially high water-cut stage is confirmed as Newtonian fluid. Experiments using different mediums about pipe flow and pump characteristics is made. Frictional resistance and coefficient of friction resistance of annulus fluid between sucker rod and the pipe flow is calculated under different working conditions. Frictional resistance between plunger and pump barrel under different parameters is calculated based on related theory of pump characteristic and the strained analytical model of oil-well pump. Besides, using the theory of slit flow and hydraulic -clamping pressure, the frictional resistance is calculated, and the error between the result and measured value is no more than 13%.

为研究特高含水期水驱及聚驱抽油机井管流特性与泵特性，本文针对特高含水期水驱及聚驱井采出液进行了流变性试验，确定了特高含水期油井采出液的性质属牛顿流体；利用不同介质，进行管流特性与泵特性试验，得到了不同工况下杆、管环空流的摩擦阻力和摩阻系数；根据泵特性相关理论和抽油泵受力分析模型，计算了不同参数下柱塞与泵筒间的摩擦阻力，并利用缝隙流与液压卡紧力理论对柱塞与泵筒间的摩擦阻力进行了计算，计算结果与实测值误差在13%以内。

The paper sees Horton code as a primary characteristic value and generalizing condition of the river network, and selects, simplifies and generalizes river based on scale of before and after generalization,, The main contents of paper include:(1)Reviews generalization concept, arithmetic operators, methods, influence factor and frame of map generalization and design, analyze core theory of feature —oriented map generalization, discuss the main context and applicable method of river feature generalization(2) Summarizes natural form and spatial configuration characteristic of the river network, and describe the river network using digraph Paper mostly researches tree —like river, identifies the direction of river based on the angle of the main and secondary reach, and identifies the main river based on most length and predominant continuation of the flow direction along the major channel , then receives the grade of river by recursion and structuralize river network, builds hiberarchy rank system of river based on Horton coding(3)Designs the model of river network based on Horton code, and organizes the data of node, branch and river.

本论文把Horton编码作为水系网的一个主要特征值并以此作为综合条件，并根据综合前后的比例尺对水系网进行选取、化简和概括。论文的主要工作包括：(1)总结地图综合的概念、算子分解、实现方法、主要影响因素和总体设计框架，分析面向地理特征的制图综合的核心理论支撑，在此基础上讨论水系专题要素综合的主要内容和综合适用的方法。(2)总结水系网的自然形态和空间结构特征，用图论对水系网进行描述。以树状水系作为主要研究对象，依据树状水系的主支流交汇关系确定水系流向，依据水系中主流的长度最长和主流保持原有的流向趋势确定主流，按此递归得到河流的不同级别，对基于河段组织的水系网结构化，自动建立水系的Horton编码。(3)设计基于Horton码的水系网模型，对结点、河段、河流和河系的数据进行有效的组织。

AMF electromagnetic flowmeter function characteristic: The entire Chinese menu, the large screen four line of high definition LCD back light demonstrated: 1st, does not need to hit the starting blank pipe warning function; 2 provide the sensing sensor section misalignment revision function; 3 frequency quantities output 4----the 20MA output, flows to the output, the cumulant pulse output; 4 cumulant valve value outputs the RS485 output; 5 use the international advanced fabrication technology, the stable property, remarkable; 6 input the port to be equipped with the safe anti-radar protection; 7 automatic controls, the measuring range bound may establish voluntarily; 8 regurgitation to measurement; 9 small signal excisions; 10 use highly effective, the high stability PWM wave excitation constant current; 11 damping times elect; after 12 power failures, data long-term preservation; 13 scaling factors not fluid characteristic, active status, influences and so on conductivity.

AMF电磁流量计功能特点：中全中文菜单，大屏幕四行高清晰度LCD背光显示：1，无需打开机空管报警功能；2 提供传感传感器段非线性修正功能；3 频率量输出4----20MA输出，流向输出，累积量脉冲输出；4 累积量阀值输出RS485输出；5 采用国际先进的制造工艺，性能稳定，卓越；6 输入端口均设有安全防雷保护；7 自动调节，量程上下限可自行设定；8下反流向计量；9 小信号切除；10 采用高效，高稳定度PWM波励磁恒流源；11 阻尼时间选；12 断电后数据长期保存；13 仪表系数不受流体特性，工作状态，电导率等影响。

The content of each part follow as: In the first chapter, as start point and base of the paper, this part focuses on the basic study ofdefinition characteristic of NO, and the existing base of NO-E-Commerceenvironment; In the second one, this part studies the theory base of NO comprehensively applying the theories of core competence competent strategy and transaction cost; Chapter three studies the NO from the coordination of NO, and gives the structure clarification and characteristic of NO firstly, at the same time, put forward the concept of Virtual Enterprise Cluster; Based on such conclusion, studies the model of NO from life cyc organization level process and value chain, and operational mode; In Chapter four, a theoretical explanation was addressed on the above structure by modeling NO with game theory and graphic theory; In the fifth chapter, on the bases of analysis of NO operational risks, coordination mechanism of NO was studied by individually modeling the NO without core and NO with core, and then put forward the solution for coordination mechanism of NO; As an important component of coordination mechanism of NO, Chapter six explored some basic concept of trust and importantly put forward the way of how to build trust in NO, especially investigated the supporting function of valid reputation mechanism of NO for the trust building, importantly an operational method on building reputation mechanism and evaluation method in NO were given; The last chapter applied theconclusion of the paper to investigate the famous trade Web-SUNBU.

全文共分为七章，主要内容如下：第一章作为全文的理论出发点和基础，围绕网络组织的定义、特征以及网络组织生存基础--电子商务环境等方面对网络组织的基本概念进行了阐述；第二章综合运用核心能力、竞争战略和交易费用理论对网络组织产生的理论基础进行阐述；第三章首先从组织协调的角度对网络组织进行了研究，给出了网络组织的结构，分类和特征，同时并给出了虚拟企业群簇；然后在此基础上分别研究了网络组织的生命周期模型、层次模型、过程模型、价值链模型，以及运行模式；第四章综合运用博弈论、图论的相关知识，通过构建网络组织的模型，对上一章所研究的网络组织结构的形成机理给出了一种理论解释；第五章在分析网络组织运行风险的基础上，分别建立无盟主网络组织的博弈论模型和有盟主网络组织的博弈论模型，详细研究了网络组织的协调机制，然后给出了网络组织协调机制的解决方案；第六章作为网络组织协调机制的重要组成部分，本章在讨论了网络组织中建立信任机制的必要性的基础上，研究了网络组织信任关系的类型，提出了在网络组织中如何建立信任机制。

The expert system, worked on rule, adopted the discharge signal and DC leakage current value as its characteristic parameters, and then diagnosed the insulation state of DC feeder cable by the values of the characteristic parameters.

直流馈出电缆绝缘诊断专家系统采用基于规则的专家系统实现，系统通过采用数据处理后提取的放电信息，直流泄漏电流幅值信息作为电缆绝缘性能诊断的特征参数，进而根据所获得的特征参数值来进行直流馈出电缆绝缘性能的判别。

This paper firstly reviews the evolution of American going-concern auditing opinion, so we can know the essence of this kind of auditing opinion. Secondly, on the base of analysing the conditions of going-concern of Chinese enterprises and a typical case, we draw our conclusion that chinses capital market urgently demands going-concern auditing opinion.Finally, this paper focuses on financial characteristic of company and the characteristic of going-concern auditing opinion, the market response to going-concern auditing opinion, the value relevance as well as the determinants of auditor reporting going-concern auditing opinion.

本文首先以美国为例，回顾了持续经营不确定性审计意见(going-concern opinion，以下简称为GCO)的发展沿革，籍此认识持续经营不确定性审计意见的本质内涵；其次，在对我国企业尤其是上市公司的持续经营问题进行分析的基础上，通过典型案例的剖析得出我国资本市场对持续经营不确定性审计意见存在较强烈需求的结论；最后，针对我国证券市场持续经营不确定性审计意见的市场反应、价值关联性及被出具持续经营不确定性审计意见公司的财务特征、审计师出具持续经营不确定性审计意见的影响因素进行了实证分析。

Methods 55 cases of pulmonary nodules were collected on the basis of origin dynamics characteristics. First of all, spiral CT targeted scan, then the basis blood stream dynamics characteristic, carries on three-phase enhancement scannings, according to the targeted scan pulmonary nodules morphology characteristic, biggest CT value of Three-phase enhancement scannings, carried out the qualitative analysis to the pathological change.

搜集55例肺结节性病变患者，在常规扫描基础上，先行螺旋CT靶扫描，然后依据血流动力学特点，进行3期增强扫描，根据靶扫描肺结节形态学特点、增强后的最大CT净增值，对病变进行定性分析。

The use of the web to spread fears that flicking the switch on the LHC could create a Black Hole that could swallow up the Earth particularly concerned him, he said.

他说，使用互联网散布恐慌说启动LHC会生成一个可能吞噬地球的黑洞的做法让他感到忧虑。

Not a single word have I written down.

我一个字也没有写下来。