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The one dimension mathematics model is established for the diffusion of sodium water reaction products in steam generator and leak detection system for liquid metal cooled fast breeder reactor.

研究建立了水泄漏引起的钠水反应产物在快堆蒸汽发生器和取样支路传输扩散的一维数学模型，分析了蒸汽发生器流量、钠温度和取样支路流量对泄漏探测系统响应特性的影响。

The model of adiabatic spherical to columnar hydrogen bubble growth in large leak sodium water reaction as well as the model of secondary loop pressure propagation with the one dimensional characteristic method are established under one double ended guillotine tube break in the steam generator of liquid metal cooled fast breeder reactor.

研究建立了钠冷快堆蒸汽发生器在单管束发生双端断裂情况下钠水反应中气泡从球形到柱状的变温绝热生长模型，及采用一维特征线方法建立的压力波在快堆二回路中的传播模型。模型中考虑了爆破膜、管壁弹性变形和气蚀的影响。

The HAWK comes standard with all-wheel disc brakes, a water-cooled four0-stroke engine, a very aggressive dual double A-arm suspension, a 4-point seatbelt, bucket seat and an automatic transmission with reverse.

欧洲经济共同体核定示范街标准来与所有可用的鹰轮刹车碟，水冷four0冲程发动机极有侵略性双双臂叫停，4点安全带，桶形座椅自动传输倒车。

It was able to sprout stem leaf that the bulblet was cooled in natural after growth more than 50mg.

籽球重量超过50 mg并经过自然低温后有能力抽地上茎。7月20日前扦插繁殖的籽球第二年会开花，7月10日前扦插比7月20日产前插繁殖的籽球开花率高，露出扦插比覆土扦插开花率高。

Through analyzing the influence of refrigerants on the environment and calculating unit energy consumption and pollutant discharging amount, this paper presents that better energy environmental benefits can be achieved by utilizing air-cooled heat pump for heating.

通过对制冷剂的环境因素分析及对机组能耗、污染物排放量的计算，说明利用风冷热泵供暖具有较好的能源环境效益。

In addition, there is a better effect in keeping green to celery using magnesium salt ice pre-cooled.

此外，镁盐冰预冷冷藏对芹菜保绿效果明显。

In addition , there is a better affect in keeping green to celery using magnesium salt ice pre-cooled .

此外，镁盐冰预冷冷藏对芹菜保绿效果明显。

And then the functionalized carbon nanotube, partial platinum salt and all transition metal M salt are stirred and reflow for certain time, added with rest platinum salt to continue to reflow, cooled, washed centrifugally, dried and carried out heating treatment in a hydrogen atmosphere, thus obtaining the anchoring platinum catalyst of the transition metal on the carbon nanotube.

然后将功能化的碳纳米管与部分铂盐和全部过渡金属M盐在多元醇溶剂中搅拌回流一定时间后，加入剩余的铂盐继续回流，冷却，离心洗涤，烘干，最后在氢气气氛中热处理，得到碳纳米管上过渡金属锚定铂催化剂。

This dissertation is devoted to a systematic study on accuracy of the laser-cooled cesium fountain frequency standard.

频率准确度是频率基准最重要的性能指标，它反映频率基准复现秒定义的能力，是校准一般频率标准的参考。

The work in this dissertation provides a systematic approach for evaluating the accuracy of the laser-cooled cesium fountain frequency and a basis for the design of the standard and the improvement of the accuracy.

本文的工作为正确评定激光冷却与囚禁铯原子喷泉频率基准的准确度提供了系统的理论与方法，为铯原子喷泉频率基准的设计和进一步提高其准确度提供了依据。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。