Analysis and Treatment on the Closing Time of Low-pressure Governing Valve Being Overtime in One Driving Feed-water Pump Turbine

No close time for open record.

打开的记录没有关闭时间。

Under the same driving potential, the mean open time and the open probability increase with increasing of [ K+] 0, but the mean close time is just the opposite.

同一驱动电位下，平均开放时间和开放概率随〔K＋〕0的增大而增大，平均关闭时间的变化则相反。

Kinetic analyses showed that the postischemic suppression of BK Ca channel activity was due to a prolongation of the closed time since there was no significant change in open time after brief ischemia.

通道动力学分析显示通道关闭时间变长是短暂脑缺血后通道活动降低的主要原因，因为通道的开放时间未发生明显变化。

I need to complain to you about the closing time of the tennis court.

我得向您就网球场的关闭时间提个意见。

Ipratropium bromide and salbutamol reversed the effect of asthma on BK Ca channel.

异丙托溴铵或沙丁胺醇对哮喘BKCa通道的增强作用主要表现为延长通道开放时间常数，缩短关闭时间常数。

Opening and closing time required for electric actuators.

对于电动执行机构，所要求的开启和关闭时间。

Shut time constants were prolonged.

关闭时间常数明显延长。

Distributions for the open times, closed times and burst durations required two-component fits.

开放、关闭时间及burst时程的分布直方图均需双指数拟合。

For customers who can afford a relatively short term of database instance unavailability, scheduling downtimes at the time of week with the possible lowest impact could be an acceptable compromise.

对于能够接受一个相对短时间的数据库实例不可用的客户，按计划的关闭时间而只有最小可能的影响的方案也许能够被接受。

The closing time of quick closing valve is the time that oil completely flows out of the piston vat.

在液流惯性阻力未知的情况下解决了速关阀关闭时间问题。即速关阀关闭的时间即为活塞缸中液体油完全排出的时间。

Results: After hypobaric hypoxia the number of NMDA mRNA positive neurons was decreased, the open probability of NMDA receptor was reduced, the open time constant was decreased, the close time constant was increased.

结果：胎鼠低压低氧后，NMDA受体数量和通道开放机率减少，通道开放时间常数减少，通道关闭时间常数增加。

The variation of negative pressures in seedling launching mechanism and the relationship of seedling dropping time and displacement with pressure were studied to determine the best opening and closing times of air sucking valve and seedling launching valve.

研究水稻钵苗有序移栽机投苗装置内部负压变化规律以及钵苗下落时间和位移关系，确定吸气活门、投苗活门的最佳开启和关闭时间。

General Motors and Ford are also closing some plants beyond the usual two-week end of year production break.

通用汽车和福特也准备在年终通常的两个星期停产时间外，再延长一些工厂的关闭时间。

Determination the Time of Ductal Closure in Healthy Newborn by Pulsed Doppler Echocardiography

健康足月新生儿动脉导管关闭时间的超声多普勒测定

Rats treated with newborn hypoxia or fetus hypoxia, the open probability of NMDA receptors channel in hippocampus neurons was reduced. Analyzed by Marquardt-LSQ fit, the open time constants was decreased, the close time constants is increased.

低氧幼鼠和孕鼠缺氧后所生子鼠海马神经元NMDA通道的开放机率下降，经单指数拟合后，通道开放时间常数减少，关闭时间常数增加。

When the turn-off time is controlled within 3-5 μ s, and the turn-on time is controlled about 2 μ s., most of the devices can work satisfactorily.

当关断时间控制在3到5微秒，开通时间控制在2微秒时，多数元件都能满意地工作。

Considering the influences of the thermally induced diffraction losses and the turn-off time of AO Q-switch on the dual-wavelength pulse, a rate equation model describing the actively Q-switched laser with AO modulator has been established.

在考虑到热致衍射损耗及声光开关时间对双波长调Q脉冲性能影响的基础上，给出了描述LD泵浦调Q双波长激光运转速率方程模型。

To the measurement of turn-off time of thyristor, the author puts forward a new approach based on the analysis of the traditional approach as well as on the study of the turn-off characteristic and turn-off pattern of thyristor.

本文简要介绍了晶闸管的关断特性和关断方式，并通过对晶闸管关断时间传统测量方法进行分析，提出了晶闸管关断时间测量的新方案。

The key technique of transient electromagnetic transmitter is to resolve the problem about the turn-off time and linearity of current impulse on high power projecting.

如何在大功率、大电感情况下实现电流脉冲短关断延时和下降沿高线性度是瞬变电磁发射机的关键问题。

So, how to improve the tradeoff relationship between turn-off time and forward voltage is a key problem in power devices.

因此，提高开关速度并改善正向导通电压和关断时间的折衷关系是这类器件的关键问题之一。