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In the cold head office and the arrangement of vascular elbow gold - iron thermocouple thermometer, in the pulse tube hot end, the hot end of regenerator arrangement of pressure sensors and data acquisition.

试验系统还包括抽真空系统,数据采集系统等。4 试验结果及分析初步试验是在压缩机充气压力为1.6MPa,工作频率为2.5Hz的条件下进行的,经过反复多次试验,我们的新结构的四阀型脉管制冷机能够达到的最低温度为72K,图4示出了最佳小孔开度下的制冷机的降温曲线。

It can make large numbers of gas attempered to temperature required rapidly and ensure the cooling water to vapor and overheat completely avoiding the depressurizer of minute orifices' blocking. The attemperator combined with the depressurizer also can meet operation requirement under variant loads.

提出的高速文丘里雾化冷却器与小孔型节流降压消音器相结合的减温减压装置在中试电站的成功运行表明,采用高速文丘里雾化冷却方式能够充分利用高温高压烟气的能量雾化冷却水,既能使大气量的烟气快速降温,又能确保烟气的干度,安全地实现不同工况下含尘烟气的减温减压排放。

There is an old saying in our field --"No dam is not crackable" The crack is mainly because of the bad dilationafter "alkali aggregate reaction", the temperature traverse inside and outsidethe concrete with the happening of heat evolution and the shrink of volume dueto the cooling of concrete.

水电行业有句&无坝不裂&的俗话,产生裂缝的原因主要有&碱集料反应&造成的破坏性膨胀,水泥水化过程中放出的热量出现的混凝土内外温度梯度和水泥石硬化后由于后期降温发生的体积收缩等造成。

There is an old saying in our field -"No dam is not crackable". The crack is mainly because of the bad dilation after " alkali-aggregate reaction", the temperature traverse inside and outside the concrete with the happening of heat evolution and the shrink of volume due to the cooling of concrete.

水电行业有句&无坝不裂&的俗话,产生裂缝的原因主要有&碱集料反应&造成的破坏性膨胀,水泥水化过程中放出的热量出现的混凝土内外温度梯度和水泥石硬化后由于后期降温发生的体积收缩等造成。

Although significant uncertainties remain about both the cause and the scale of the impact of these abrupt climatic events, there is growing general knowledge of change process in climate during the past 13 000 years based on the studies of some important rapid climatic oscillations, such as a cold and dry event near the middle of the last interglacial, Dansgaard-Oeschger cycles, Heinrich events and Younger Dryas event during the last glacial and some cooling events during the Holocene.

尽管末次间冰期以来这些数百年-千年时间尺度气候突变事件的成因和影响范围还存在明显的不确定性,但已从诸如末次间冰期(MIS 5e)中期的干冷事件、末次冰期的Dansgaard-Oeschger旋回、Heinrich事件和Younger Dryas事件以及发生在全新世冰后期的一些降温事件的研究中。获得对过去130ka来气候变化过程总体上的认识知理解。

In addition, molecular orientation behaviors induced by shearing, electric field and magnetic field were investigated. The space group of the monomers A3EO7 and A9EO7 were determined as P2〓2〓2 and P112/m by means of electron diffraction and X-ray diffraction. Liquid crystalline properties of the monomer and the polymer were studied using DSC, variable X-ray diffraction, TEM and polarized optical microscope. Both monomers exhibit monotropic liquid crystalline behavior, and they also give a metastable phase on the cooling process. The polymer PA9EO7 shows enantiotropic liquid crystalline properties. Thus the rigid polymer backbone is not a fatal defect that completely distorts the packing arrangement of the mesogenic moiety in the side chain liquid crystalline polyacetylene.

结合电子衍射倾转方法和粉末X射线衍射技术,确定了两个液晶小分子A3EO7和A9EO7的晶胞参数和空间群,采用Cerius〓模拟软件,运用分子模拟的方法给出了小分子在晶胞中的排列方式;利用DSC、变温X射线衍射技术和透射电子显微镜研究了小分子和聚合物的液晶态,单体A3EO7和A9EO7表现出单向液晶性质,并且在降温过程中都表现出一个亚稳液晶相或亚稳结晶相,聚合物PA9EO7具有双向液晶性;采用偏光显微镜和X射线平板照相技术,研究了剪切和电场对聚合物分子取向的影响,在不同的液晶态,剪切作用对聚合物PA9EO7具有不同的诱导取向结果,直流电场可以诱导聚合物联苯液晶基元沿施加电场方向取向。

F. On the other hand, as the gas with high oxidizability introduced to pre-reduction process, it will give a lower reductibility of iron ore and as the ore come to the final process the burden of the final reduction vessel will be heavier, the refractories of it will be corroded seriously and the campaign-life of it will be shorter.

终还原排出的煤气可以供预还原使用,由于排出煤气温度较高,需要降温才能供预还原炉使用,在此过程中煤气的物理热未被利用,这是目前熔融还原工艺能源消耗普遍大于高炉工艺能源消耗的主要原因;同时排出煤气氧化度较高,影响到矿石的预还原率较低,铁浴终还原的负担较重,终还原炉渣对炉衬的侵蚀严重,影响到铁浴终还原炉的寿命。

Tippee says the increased supply, coupled with an expected slowdown in demand, will eventually move the price of oil lower.

他说重要的问题是需求的下降是来自石油价格的高涨造成的世界性的萧条或是来自经济的适度降温。

It has been proved that light scatter in KDP crystal aggravated when pyrophosphate was doped into the growth solution,which distributed ununiformly in prism and pyramidal sectors of KDP crystal.

掺杂焦磷酸的情况下降温生长了 KDP晶体,采用激光层析法对晶体的光散射现象进行了观察,掺杂后晶体的光散射现象明显加剧,晶体的锥面、柱面和椎柱交界面处的散射点密度并不相同,其原因在于焦磷酸对KDP晶体的锥面和锥面的影响不同。

The price pricking beer is 3 5 times higher than familiar equal amounts beer , investigates whose cause to have several aspect down: One, has been fresh beer because of it , has kept fine taste of beer and nutrition; That sterile condition demands is strict among it's two , procedure of production, equipment investment is big, be going to want the strict sterility course film fliteration or hole fliteration, besides all microorganism , beer barrel and production environment before irrigating dress; It's three , marketing way have been unique , had been going carrying out the carbon dioxide cooling down and supplementing by the fact that fresh beer sells machine, have made use of carbon dioxide pressure to give beer and , have avoided beer contacting air but have produced oxide taste; It's four, has been that scheduled time is not long because of barrelled fresh beer guarantee quality , the dealer has born certain risk, if being able to not sell out in time, meeting bring about very big economic losses.

扎啤的价格比同等量的熟啤酒高3—5倍,究其原因以有下几个方面:其一,因为它是鲜啤酒,保持了啤酒良好的口味和营养;其二,生产过程中,无菌条件要求严格,设备投资大,在灌装前要经过膜过滤或孔过滤,除去所有的微生物,啤酒桶和生产环境也要严格无菌;其三,销售方式独特,要过通过鲜啤酒销售机进行降温和补充二氧化碳,并利用二氧化碳压送啤酒,避免了啤酒接触空气而产生氧化味;其四,是因为桶装鲜啤酒的保质期不长,经销商承担了一定的风险,如果不能及时售出,会造成很大的经济损失。

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Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势,并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。

This dramatic range, steeper than the Himalayas, is the upturned rim of the eastern edge of Tibet, a plateau that has risen to 5 km in response to the slow but un stoppable collision of India with Asia that began about 55 million years ago and which continues unabated today.

这一引人注目的地域范围,比喜马拉雅山更加陡峭,是处于西藏东部边缘的朝上翻的边框地带。响应启始于约5500万年前的、缓慢的但却不可阻挡的印度与亚洲地壳板块碰撞,高原已上升至五千米,这种碰撞持续至今,毫无衰退。