查询词典 ray velocity

The relationships between large igneous rock province, mantle plume and petroleum show that there is a low velocity-high conductive layer of mid-crust in the basin and this layer is the main source of oil and gas. Weathered granites and volcanic rocks are the best reservoir beds for hydrocarbon accumulation and the faults are the main migration pathway. It is suggested that granite and volcanic reservoirs be the future exploration targets.

通过研究花岗岩和火山岩油气藏的形成模式，指出大火成岩省、地幔柱与油气的关系表明盆地中地壳的低速－高导层可能是油气的主要来源，而花岗岩、火山岩的风化壳是油气成藏的最佳储集层，断裂则是其最主要的运移通道，花岗岩和火山岩油气藏将是未来勘探的重要目标。

The effect of the stator magnetic saturation due to variation of the rotor position is considered by the scheme. Using estimated velocity of rotor corrects the rotor position.

该方法考虑了永磁转子位置变化对电动机磁路饱和的影响，采用转子转速的估算值对转子的位置角进行校正。

The discharging current of the accelerator is measured with the Rogowski Coil,the discharging characteristic of the fast electromagnetic valve and the Ar-gaspressure in the coaxial plasma gun are measured with small piezo-electricpressure probes, and the velocity of the plasma in the coaxial plasma gun ismeasured with magnetic pickup coils.

使用压力传感器研究了所研制脉冲电磁阀门的时间特性，以及等离子体碎片加速器同轴枪内中性气体的压力分布；设计罗科夫斯基线圈并测量了本装置的放电电流；设计磁探圈并测量了同轴枪内等离子体的平均速度。

Propellant "B"(AP/polyurethane) exhibits a lower threshold velocity with higher chamber pressures.

推进剂有& B &展品较低的门槛，更高的速度与商会的压力。

Measures such as reducing the explosive of ignition, using low blasting velocity explosive, applying the blasting technology of millisecond delay and increasing blasting frequency etc.

作者采用减小一次起爆药量、改用低爆速炸药、孔间微差爆破技术以及提高爆破地震频率等方法，降低爆破所产生的震动。

Keywords physical chemistry;seismic explosive column;low detonation velocity;ammonium nitrate explosive;explosive property;safe property

物理化学；震源药柱；低爆速；硝铵炸药；爆炸性能；安全性能

This kind of low detonation velocity explosive is composed of 83%～87% expanded ammonium nitrate,3.0%～4.0% wood powder,2.0～3.0% composite fuel oil,4.0%～5.0% high energetic additives and 6%～8% dilution agent.

用自敏化改性膨化硝酸铵为氧化剂的低爆速膨化硝铵炸药的配方为：膨化硝酸铵83%~87%、木粉3.0%~4.0%、复合油2.0%~3.0%、高能添加剂4.0%~5.0%和稀释剂6%~8%。

A new advanced blasting technique in China, delay in hole and sequence out hole blasting technique, was adopted in underwater blasting excavation of guide ditch ahead of water conveyance tunnel at Xiaowan Hydropower Station, thereby the controlling aim of high explosive rate and low single dynamite weight was achieved, the maximal particle vibration velocity was controlled in allowable range, guaranteed the safety of Cofferdam and rock dam and entrance water tower and so on, provided powerful guarantee for the successful guide water of the guide tunnel.

小湾水电站导流隧洞进口围堰堰外引渠水下爆破开挖采用了目前国内较为先进的孔内延时，孔外微差的爆破技术，整个爆破区分为多段起爆，从而达到高单耗，低单响药量的控制目的，将质点的最大振动速度控制在允许范围内，有效保证了围堰、围堰岩埂灌浆帷幕区及进水塔等建筑物的安全，为导流隧洞顺利导流提供了保证。

A new advanced blasting technique in China, delay in hole and sequence out hole blasting technique, was adopted in underwater blasting excavation of guide ditch ahead of water conveyance tunnel at Xiaowan Hydropower Station, thereby the controlling aim of high explosive rate and low single dynamite weight was achieved, the maximal particle vibration velocity was controlled in allowable range, guaranteed the safety of Cofferdam and rock dam and entrance water tower and so on, provided powerful guarantee for the successful guide water of the guide tunnel.

简介： 小湾水电站导流隧洞进口围堰堰外引渠水下爆破开挖采用了目前国内较为先进的孔内延时，孔外微差的爆破技术，整个爆破区分为多段起爆，从而达到高单耗，低单响药量的控制目的，将质点的最大振动速度控制在允许范围内，有效保证了围堰、围堰岩埂灌浆帷幕区及进水塔等建筑物的安全，为导流隧洞顺利导流提供了保证。

Apart from the mathematical properties of the Dirac operator we investigate the behavior of observables such as position, velocity, momentum, describe the Zitterbewegung, and formulate the localization problem.

除了狄拉克算子的数学工具之外，我们研究诸如位置，速度，动量等看得见的客观属性，描述了颤振，并阐述一些局部问题。

Great. What repertoire did you see?

太棒了。你看的是什么剧目？

I prepared not to accept such ridiculousness:"Please," I said to him.

我可不想理会这套荒谬的东西："请你通情达理一点儿。"