发射的

The influence of power (5-18 W) and discharge pressure (5-15 Torr) on emission intensity of element and stability of intensity ratios in middle-low alloy steel using radio frequency glow discharge optical emission spectrometry were investigated, and the reasons of the influence were analyzed.

考察了射频辉光放电发射光谱法中功率(5~18W)和放电气压(5~15Torr)对元素谱线发射强度及相对强度稳定性的影响，并分析了引起影响的原因。

He says most of the risk of space flight occurs at launch and re-entry, no matter what the target.

他说，大多数宇宙飞船的危险性发生再发射以及返回的时候，与发射目标无关。

Taking the single base 9/7 propellant as an example, the mathematical model of the self-ignition of propellant is established through testing the self-ignition time under different conditions of the environment temperature.

以单基9/7发射药为例，发射药热自燃的数学模型通过实验测定不同环境温度下的自燃时间建立。

However, at the final target, the archers shooting the Bronze medal match will shoot first.

半决赛，第2名和第3名的运动员先行发射，第1名和第4名的运动员在箭靶空出后随即发射。

In October, 1957, the then-Soviet Union launched its first satellite, Sputnik.

在1957年10月，当时的苏联发射了其第一颗卫星(Sputnik苏联发射之人类第一颗人造卫星的代号)。

The threshold voltage increases with the increase of the thickness in nanometer thickness range.

因此人们对BN膜的场发射进行了一些研究，C掺杂[10]和S掺杂[11]的BN膜场发射具有

Methods: 1. Devising and making the presacral haemostatic thumbtack projector and the thumbtack: On the basis of the mankind presacral camber, the projector is made of stainless steel, and the thumbtack is made of Ti-6Al-4V alloy.

1。骶前止血钉发射器及骶前止血钉的设计、制造：据人体骨盆的弯曲度，采用不锈钢材料制造骶前止血钉发射器，采用医用钛合金——Ti-6Al-4V制造骶前止血钉。2。

The AUV would be positioned by the SUBROV ahead of the submarine, placed in front of the AUV's own torpedo tube opening, and then carefully pushed inside where the AUV can subsequently be accessed by the submarine's crew (after the tube has been drained of water) for data download, recharging and/or a payload change.

自主式水下航行器将被SUBROV定位在潜艇的前面，并被移至打开的鱼雷发射管之前，然后被仔细推入鱼雷发射管内。

"Except for what it costs to a build an ultra-precise Shaw-Fujikawa low-mass launcher," the Vice Admiral replied, you could build a fleet of ships.

"建造一个可以精确发射它的肖-藤川发射器的费用，"中将回答，你可以建造一个舰队。

Positron Emission Tomography is a kind of atraumatic technology which can detect in itro the metabolic trace of emitted element in human body and can perform 3D imagings.

正电子发射断层成像技术（Positron Emission Tomography，PET）是一种通过体外测量发射性元素在人体内的代谢轨迹，并可进行三维成象的无创检测技术。

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％。