瞬时条件

The design and make of a simple electric arc plasma generator;2. Mathematics expressions of arc curr en t are deduced considering the circuit resistance of the arc furnace,based on the assumption that electric arc voltage follows rectangle wave,and the elect ric parameters related to continuous and non-continuous electric arc are obta ined.

推导了在假定电弧电压为矩形波条件下，电弧电流的瞬时值数学表达式，明确了电弧连续性与随操作参数I/Is之间关系，推导中考虑了线路电阻的影响；分别求得了电弧连续与不连续情况下的无量纲电气参数；得到了电弧连续性准则；给出了计算临界功率因数的线性高精度近似计算式。

The author originally propsed a discrete dynamic model of pressure fluctuations for the deep slugging fluidized bed.

本文首次提出了深层节涌流化床离散化的压力波动动力学模型，由离散单元的瞬时均匀性条件，使得离散模型方程为一二阶常系数线性微分方程组

What is worrying is that today's traders are in truly uncharted waters, and under such conditions, experience is little help; split-second decisions have to be taken that have never been encountered before.

令人担忧的是今天的交易者真正面临一个陌生的情况，在这样的条件下，经验没有什么帮助；从未遇到过的瞬时的决定必须做出。

Under the stochastic demand, one of the key problems for RMS design is how to design the capacity scalability and storage volume. Based on queuing theory, stochastic market demand model for single product family and production model of manufacturing systems were built. The queuing model and the state probability transition graph of RMS were given.

基于排队论方法，建立了单零件族随机市场需求模型与可重构制造系统的排队模型，给出了RMS的排队模型与状态瞬时强度转移图，建立了平稳条件下系统的概率平衡方程，得到了RMS与柔性制造系统的性能指标。

Considering the practice of Mg melting furnace, a dynamic 3D scene of dust diffusion is implemented, which can represent changes of the aerological condition and changes of parameters of the dust collecting system.

使用VC++语言，创建并实现了瞬时点源和稳定点源在静风、均匀风条件下，受重力及地面边界层影响的粉尘扩散过程以及具有初始能量的粉尘射流扩散过程的虚拟现实。

Concerned with the extent of transient expression of explatns, the results show that the effectiveness of transient expression is rather high(60%) after the cotyledons of Jatropha curcas L.

为了构建麻疯树的遗传转化体系，首先应建立其高频再生和高效转化系统，而瞬时表达测试是优化转化系统条件的快速有效的方法。

In the condition of suspending culture, the gametophytic clone has much higher instantaneous growth rate than stilling culture.

在充气悬浮培养条件下克隆的瞬时生长率明显高于静置培养。

The result showed that , under the condition of experimentation , the relationship between the dry matter accumulation in aerial parts and hypogeal and the available accumulation temperature met the Logistic equation or met basically.

结果表明，在供试条件下，怀地黄植株地上部干物质（Wt1）以及地下部干物质（Wt2）的增长动态与有效积温的关系符合或基本符合Logistic 方程所描述的曲线，Wt1 和 Wt2 增长盛期的转捩点所对应的有效积温值范围是：981.6~1745.0℃和1655.4~2381.0℃，最大瞬时增长速率分别为 0.01862 g/和0.05976 g/，分别出现在有效积温达1363.31 ℃和2018.22 ℃之时

The effect of reaction, mixing and temperature on reaction rate in the space of instantaneous reaction rate -unreacted main reactant was studied using retention time as an objective, and a new strategy for the synthesis of reactor networks was presented under steady state, isochoric and non-isothermal anditions.

本研究以反应器系统为对象，以停留时间为目标，针对稳态、恒容、非等温条件下的化学反应过程，在瞬时反应速率 r和关键反应物的未转化率x空间探讨了反应、混合、温度对反应速率的影响，提出了在r x空间非等温反应器网络综合的新策略。

The X-35C touched down at Patuxent River NAS on 10 February 2001, completing the first-ever transcontinental flight of a JSF demonstrator aircraft and initiating a series of flight tests that demonstrated carrier suitability in sea-level conditions. The X-35C's flight-test program included a series of Field Carrier Landing Practice tests to evaluate the aircraft's handling qualities and performance during carrier approaches and landings at an airfield, and also included up-and-away handling-quality tests and engine transients at varying speeds and altitudes

g2 X$ X5 Q6 ^2001年2月10日X-35 C抵达 Patuxent 河国家科学院，完成了JSF 型号机型的首次不间断横贯大陆的飞行试验，并且开始验证一系列在海上条件下同航母适配的的飞行测试。X-35 C系列试验科目包括一系列的Field Carrier Landing Practice以验证飞机在陆地机场起降的操作性能，也包括测试在起降操作性能上突然改变速度和高度产生的发动机的瞬时性能等。

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％。