查询词典 constant current

In an overlapping generations model, there are two monetary regimes to be selected for the government:(1)"constant real deficit" regime, that is, the government decides a constant real deficit and maintain that real deficit by adjusting the supply of money;(2)"fixed growth rate of money" regime, that is, the government decides a fixed growth rate of money and maintain it by adjusting seignorage.

在世代交叠经济中，通常存在两种典型的货币政策可供政府选择：（1）"实际赤字固定"政策，即政府确定一个固定的实际赤字水平，通过调整货币供给维持实际赤字的固定水平；（2）"货币增长率固定"政策，即政府确定一个固定的货币供给增长率，通过调整铸币税维持货币增长率的固定水平。

By analyzing two SEIS epidemic models with fixed period of latency, one of which is with constant input, another of which is with exponent input, the essential difference between their dynamic behaviors is found. For the model with constant input, the threshold is given.

通过研究两类带有确定潜伏期的SEIS传染病模型，发现对种群的常数输入和指数输入会使疾病的传播过程产生本质的差异。

In this process, math model, geometry similitude, loading constant ways, and time constant ways were adopted.

并在复合厌氧反应器的放大过程中，综合采用了数学模型法和几何尺寸相似、负荷常数及时间常数方法。

Can also be water in the system operating conditions change to maintain constant flow, in the system, it can all slip constant flow, achieve a balanced flow distribution may also be subject to change and regulate the flow of the slip road, achieve dynamic balance.

也可以在系统水利工况变化时保持流量恒定，在系统中它既可恒定各个支路的流量，实现流量的均衡输配，也可以随时改变和调节各支路的流量，实现动态平衡。

The solar constant does not remain constant over long periods of time.

太阳常数不会保持不变长时间。

"Kv ·= constant" principle, a sense of freedom laminated springs and valve switching power systems Plug Valves constitute △ P / S =εL S-feeling film work area,ε-spring Hook coefficient, L-valve stroke From this position of valve travel decisions every size of △ P value, if the valve travel position of the Kv and inversely proportional to the G = Kv · a constant value.

"Kv·=常数"原理，自由弹簧和感压膜构成阀门开关动力系统△P/S=εL S—感膜工作面积，ε—弹簧的胡克系数，L—阀行程由此可知阀门的每一个行程位置决定△P值的大小，如果阀行程位的Kv与成反比，则G=Kv·是恒定值。

The test area of Formosat-2 image is Tainan,image level is Level 1A,image size is 12000pixel×16800pixel,square measure is 175.6km2.the research would use different areas and different number of ground control points with different distribution to test,and change the constant h when every test to get the best constant h.

测试的地区为台南市的福卫二号影像，影像的等级为Level 1A，影像大小为12000像元×16800像元，面积涵盖范围约175.6平方公里。并且会以分区测试以及不同分布和数量的地控点进行测试，再改变每一次计算时的微小常数h，以得到最佳的h值。

A basic knowledge of microbiology, will be detected with a microscope observation of micro-organisms, medium Preparation, disinfection and sterilization, separation and purification of micro-organisms, bacteria counting method A chemical analysis of the theoretical knowledge and can use chemical analysis methods and equipment of the components of material analysis Master fermentation process principles, understanding of beer, liquor, fermentation production technology Master protein related knowledge, PAGE gel electrophoresis technology, high-speed centrifugal Genetic engineering master the basic theory of knowledge, the extraction and purification of genes, PCR principle, gene recombination technology Master of the basic theoretical knowledge, the immobilized enzyme, the enzyme preparation Application Master of animal and plant tissue culture techniques of experimental steps studied experimental apparatus: Balance (scales, electronic scales, Analytical Balance), or acidity, spectrophotometer, liquid gas chromatography, acid-base titration apparatus, microscopes, centrifuges, ultrasonic cleaning, constant temperature oscillation incubator, super-clean table, steam sterilization pot, the pot constant temperature water bath, PAGE device apparatus, oven, fermenter, such as PCR instrument.

具备微生物理论基础知识，会用显微镜检测观察微生物，培养基的制备、消毒与灭菌，分离与纯化微生物，细菌的计数法具备分析化学的理论知识，能运用化学分析和仪器分析方法对物质的组分进行分析掌握发酵工艺原理，了解啤酒、白酒、发酵生产工艺掌握蛋白质相关知识，PAGE凝胶电泳技术，高速离心掌握基因工程的基本理论知识，基因的提取和纯化，PCR技术原理，基因重组技术掌握酶的基本理论知识，酶的固定化方法，酶制剂的应用掌握动植物组织培养技术的实验步骤学过的实验仪器：天平（台天平，电子天平，分析天平）、酸度计、分光光度计、液气相色谱仪，酸碱滴定仪器，显微镜，离心机，超声波清洗器、恒温振荡培养箱、超净工作台，蒸气灭菌锅、恒温水浴锅，PAGE电泳装置仪器、干燥箱、发酵罐、PCR扩增仪等。

Retreating, at the terminus of the Great Northern Railway, Amiens street, with constant uniform acceleration, along parallel lines meeting at infinity, if produced: along parallel lines, reproduced from infinity, with constant uniform retardation, at the terminus of the Great Northern Railway, Amiens street, returning.

637从大北铁路阿缅街终点站，不停地以标准加速度正沿着那如果延长、会在无限彼方相遇的平行线逐渐离去。沿着那重新出现在无限彼方的平行线，不断地以标准减速度，正朝着大北铁路阿缅街终点站折回来。

Furthermore, the boundary condition exchange equation of constant surface potential change to constant charge density is derived for these equations.

而在反离子价数提升的状况下，当有越大的反离子价数会得到越低的空间电位，而同样空间的电位分布随距离表面的距离增加有更快速度的衰减。

Molecular Distillation is a kind of high vacuum distillation method, which is suitable for the separation of high boiling, heat sensitivity and viscidity products.

分子蒸馏技术是一种在高真空条件下进行的连续蒸馏过程，适合于分离高沸点、热敏性及具有生物活性的混合物。

They are to the Noughties what yuppies were to the Eighties .

那在六十年代是时髦的，但在八十年代肯定是过时了