不燃的

And it is based on the international standard of the"Test method for flame resistance of pressure-sensitive adhesive tapes-Suspension way",and the international standard of the"Fire hazard testing for electric and electronic products-Test method of needle-flame".

实际结果证明，如果胶粘剂的难燃性能可以通过该标准的要求，则当它被用来粘接电子电工零部件、元件时，不会降低产品的整体难燃等级。

Aimed at solving the problem that high content of unburned carbon in fly ash is unfavorable for its comprehensive utilization in large scale, the fundamental principle of flotation for recovery of unburned carbon from fly ash was theoretically analyzed and the full flotation flow for the recovery of unburned carbon from fly ash was tested.

针对粉煤灰中未燃炭含量过高不利于大规模综合利用的问题，从理论上分析了浮选回收粉煤灰中未燃炭的基本原理，采用全浮选流程对粉煤灰中未燃炭进行了浮选回收试验，探讨了影响粉煤灰中未燃炭浮选效果的主要因素，确定了适宜的工艺条件。

Your passionate nature can smolder for days, weeks and even months and then it all of the sudden erupts into a volcanic fire that is almost impossible to contain.

您的激情性质，可阴燃，为几天，几周，甚至几个月，然后它所有的突然喷发到火山的火灾，几乎是不可能的遏制。

The results indicated that ultra-low nitrogen (0.001 0%-0.008 0%, w/%) in low alloy steel could be determined accurately under such optimized analytical conditions as follow: the addition of deoxidizing agent was less than 0.35%, multi-head milling cutter should be chosen and the milling depth was 1.4 mm while sampling, the mass percentage of argon was no less than 99.999 5%, the washing time was set as 8 s, the precombustion time was set as 3. 3 s and energetic precombustion energetic measure optical source mode is adopted.

结果表明，取样时控制脱氧剂加入量不超过0.35%且选用多刀头铣刀盘，铣样深度为1.4 mm；在氩气的质量分数不小于99.999 5%，冲洗时间为8 s，预燃时间为3.3 s，采用高能预燃高能测量光源方式等优化的分析条件下，可有效测定低合金成品钢中质量分数为0.001 0%~0.008 0%的超低氮。

But in practical operating, overvoltage caused by reignition of the vacuum switching device frequently appears, and it result in damage of the capacitor bank or the switchgear itself. Ensuring the switchgear against reignition and installing a protective device are two main approaches to avoid the phenomenon. In this paper, a study on overvoltage caused by reignition due to capacitor bank switching with the vacuum switching device and its preventive measures are carried out. The main work which has been done and researches are as follows: 1. The producing mechanism of overvoltage and its influence factor are analyzed. It is pointed out that single-phase reignition is the main reason for damage of the switchgear and two-phase reignition is the main reason for damage of the capacitor bank,so overvoltage of single-phase reignition and two-phase reignition are the emphases of prevention. 2. Analysis of the special working condition of the operating switch for capacitor bank is carried out. It indicates that the vacuum switching device is difficult to realize no-reignition under this operation condition, so it is more practical to adopt protection devices. 3. Analyses of protection effect of RC and MOA and their shortages are carried out. It shows that the two methods can only restrain effectively overvoltage caused by single-phase reignition, and they cannot protect the capacitor bank when reignition of two-phase occurs. 4. The operation principle of G-R damping device is analyzed and discussed emphatically.

本文针对真空开关投切电容器组时因重燃而产生的过电压及其防治措施进行了研究，所开展的主要工作和研究结果如下： 1、对过电压的产生机理及其影响因素进行了分析，指出单相重燃是导致开关设备损坏的主要原因，而两相重燃则是导致电容器组损坏的主要原因，因此单相重燃和两相重燃过电压是防护的重点； 2、对电容器组操作开关的特殊运行条件进行了分析，指出在这种运行条件真空开关难于实现不重燃，因此采用保护装置更具有现实意义； 3、对RC与MOA的保护效果和存在的不足进行了分析，指出这两种方法均只能有效抑制单相重燃过电压，而不能在发生两相重燃时保护电容器组； 4、重点对G-R阻尼装置的工作原理进行了分析和讨论，指出该装置接入后线路中将会出现两种频率的高频振荡，而电容器组上的过电压是由这两种振荡共同决定的； 5、根据对上述两种振荡的分析指出存在一个最佳电阻值使得过电压最低，并提出了电容器组电压和最佳电阻值的近似求解方法； 6、使用电气暂态分析软件MATLAB对G-R装置的保护效果进行了仿真计算，证实该装置确实可以有效抑制重燃时的电容器组过电压； 7、根据仿真与近似计算结果的偏差提出了近似计算的修正方法，经过修正后的过电压计算结果与仿真结果吻合较好； 8、对G-R装置中放电装置G与阻尼电阻R的要求进行了分析，指出采用编织电阻和真空间隙可能是最佳选择。

Unstart of scramjet inlet is under abominable state.It influences greatly on the normal operation of the scramjet.

超燃冲压发动机进气道不起动是超燃冲压发动机恶劣的工况，对超燃冲压发动机的正常运行影响巨大。

These results clearly justifies that in combustor, the injector location and its conditions have no effect on the flowfield structure but have strong effect on the combustion efficiency, and that inside the engine, undesirable injector conditions can result in the engine thermal choked and unstart.

第五章计算了含横向喷流的二维燃烧室和一种简化一体化超燃冲压发动机流场，发现在燃烧室中喷口位置及喷射条件对流场的结构影响不大，但对燃烧效率却有较大的影响；而在发动机内部，不适当的喷射条件，有可能引起发动机的&热壅塞&，使发动机无法启动。

The form of intumestant char layer could depart polymer base and burning part while prevent heat transfer. Obviously,the fire –retardant effect of IFR is also that it intermits heat transfer.

因此，其阻燃作用主要属于凝聚相机理；APP、MN等分解时产生的NH3、H2O等不燃性气体，这些气体在能被捕集之前逸出到材料表面的气相，稀释了可燃气体的浓度；膨胀碳层的形成，起到阻止热传递的壁障作用，把聚合物基质与燃烧区隔开。

I had no desire to see the faces of the vampires they had executed, half afraid that I might recognize someone in the smoldering pyres.

我不希望去看那些被处刑的吸血鬼的脸，也是因为有些害怕在阴燃的柴堆的人是我认识的。

We tire of the flame of the meteor, before it can fade and flee; And the flame of the blue star of twilight, hung low on the rim of the sky, Has awaked in our hearts, my beloved, a sadness that may not die.

白鸟》 亲爱的，我愿我们是一对白鸟，飞翔在浪尖，在流星燃尽之前，便厌倦了它的光辉；蓝星发出淡淡的光，悬挂在黄昏的天空，它唤起了我们心中不灭的忧伤。

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％。