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云催化剂
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  “云催化剂”译为未确定词的双语例句
     Two kinds of new artificial catalysts to cold clouds
     两种新型冷云催化剂——AAC和苯酐
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     This paper analyses climatic features of cloud and precipitation on the Leizhou Peninsula,researches cloud dynamics and forming mechanism of precipitation and artificial precipitation and catalyst,and summarizes test results. The conclusion is that : there are abundant resources of water in the air on the Leizhou peninsula; and mechanisms of precipitation of warm-cloud,cold-cloud and mixed-cloud are possible.
     通过对雷州半岛云水资源气候分布、云的宏观动力学和微观物理学、降水形成机制、人工增雨机制、冷云催化剂与暖云催化剂、播云方式与催化方法的研究和对外场试验的总结,表明:雷州半岛空中具有丰富的云水资源,有暖云降水机制、冷云降水机制和混态云“播种—供水”降水增强机制。
短句来源
     In comparison with the ice nucleation ability of Agl-acetone solution, it is shown that MA is more efficient than AgI to modify the supercooled clouds above -6.5℃.
     将介乙醛与AgI-NaI-丙酮溶液的成冰能力相比较,发观温度高于-6.5℃时,作为冷云催化剂来说,介乙醛比AgI要更为有效。
短句来源
     In comparison with the ice nucleation ability of AgI-acetone solution,it is shown that MA is more efficient than AgI to modify the supercooled clouds above -6.5℃.
     将介乙醛与 AgI-NaI-丙酮溶液的成冰能力相比较,发现温度高于-6.5℃时,作为冷云催化剂来说,介乙醛比 Agl 要更为有效。
短句来源
     Since 1978,artificial snow augmentation by aircraft silver iodide seeding to the winter stratiform clouds have been conducted continuously along Tianshan mountains in northern Xinjiang.
     自1978年以来,在新疆北部沿天山一带对冬季层状云飞机播撒碘化银、干冰等冷云催化剂进行人工增雪作业。
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  相似匹配句对
     The status of R & D on methanol synthesis catalyst was reviewed.
     ; 催化剂;
短句来源
     THE CLOUD
    
短句来源
     Clouds
    
短句来源
     Investigation on Catalyst Dosage in Aircraft Cloud Seeding in Stratiform Clouds
     层状飞机增雨催化剂用量研究
短句来源
     catalyst A340;
     催化剂催化 ;
短句来源
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A projectile with ground-air rocket by the burst of TNT has been designed for dispersing metaldehyde (MA) into the clouds on a large scale. The threshold temperature of MA on ice nucleation in laboratory is around -1℃. The projectile is made of proper dosage, with TNT in its core and-MA in its outer layer. The result of the experiment for explosion shows that the number of MA particles dispersed by the burst of TNT reaches the order of 10~(12) I/gm and that of ice nucleation is 10~7~10~(10) 1/gm in the temperature...

A projectile with ground-air rocket by the burst of TNT has been designed for dispersing metaldehyde (MA) into the clouds on a large scale. The threshold temperature of MA on ice nucleation in laboratory is around -1℃. The projectile is made of proper dosage, with TNT in its core and-MA in its outer layer. The result of the experiment for explosion shows that the number of MA particles dispersed by the burst of TNT reaches the order of 10~(12) I/gm and that of ice nucleation is 10~7~10~(10) 1/gm in the temperature range of -1℃~-15℃. The quantitative analyses of collected products for explosion show that the loss of MA due to burning or decomposition augments with the increasing amout of TNT used, but its remains are more than 71%. The ability of forming ice of MA which has been stored for one year or more decrasses by about one order of magnitude. The result of the experiments of quick toxicity on account of ingested AM shows that the the L_(D50) for large rats counted by means of Horn's method is 316 mg/kg, the limit of 95% Confidence is 169~592 mg/Kg. For the sake of comparison, some experimemts of ice nucleation of AgI have been carried out in the laboratory, showing the number of ice crystals is 10~6 1/gm~10~(12) 1/gin within -5℃~13℃. In comparison with the ice nucleation ability of Agl-acetone solution, it is shown that MA is more efficient than AgI to modify the supercooled clouds above -6.5℃.

为了地面利用小火箭有效地对云大量撒播介乙醛,我们设计了一种用TNT分散介乙醛的药桂。室内实验测定介乙醛的成冰阈温在-1℃左右。选取合适的配方压制以TNT为内芯,介乙醛在外层的药桂。爆炸试验表明:介乙醛产生的微粒数达12~(12)个/克,在-l℃~15℃范围内产生的冰晶数为10~7个/克~10~(10)个/克以上。对爆炸后收集的产物分析表明:介乙醛因燃烧或分介的损失量随TNT用量的加大而增加,而其保存量均在71%以上。贮存一年以上的介乙醛,其成冰能力降低一个量级左右。介乙醛急性经口毒性试验表明:大白鼠用Horn氏法计算L_(D50)为316毫克,公斤,95%的可信限为169~591毫克/公斤。为了对比起见,对AgI的成冰能力也作了爆炸试验,实验表明,在-5℃~13.5℃范围内,AgI产生的冰晶数为10~6个/克~10~(10)个/克。将介乙醛与AgI-NaI-丙酮溶液的成冰能力相比较,发观温度高于-6.5℃时,作为冷云催化剂来说,介乙醛比AgI要更为有效。

A projectile with ground-air rocket by the burst of TNT has been designed for dispersing metaldehyde(MA)into the clouds on a large scale. The threshold temperature of MA on ice nucleation in laboratory is around -1℃. The projectile is made of proper dosage,with TNT in its core and-MA in its outer layer.The result of the experiment for explosion shows that the number of MA particles dispersed by the burst of TNT reaches the order of 10~(12) I/gm and that of ice nucleation is 10~7~10~(10)1/gm in the temperature...

A projectile with ground-air rocket by the burst of TNT has been designed for dispersing metaldehyde(MA)into the clouds on a large scale. The threshold temperature of MA on ice nucleation in laboratory is around -1℃. The projectile is made of proper dosage,with TNT in its core and-MA in its outer layer.The result of the experiment for explosion shows that the number of MA particles dispersed by the burst of TNT reaches the order of 10~(12) I/gm and that of ice nucleation is 10~7~10~(10)1/gm in the temperature range of -1℃~-15℃. The quantitative analyses of collected products for explosion show that the loss of MA due to burning or decomposition augments with the increasing amour of TNT used,but its remains are more than 71%. The ability of forming ice of MA which has been stored for one year or more decrasses by about one order of magnitude. The result of the experiments of quick toxicity on account of ingested AM shows that the the L_(D50)for large rats counted by means of Horn's method is 316 mg/kg,the limit of 95% Confidence is 169~592 mg/Kg. For the sake of comparison,some experimemts ofice nucleation of AgI have been carried out in the laboratory,showing the number of ice crystals is 10~6 1/gm~10~(12)1/gm within -5℃~13℃. In comparison with the ice nucleation ability of AgI-acetone solution,it is shown that MA is more efficient than AgI to modify the supercooled clouds above -6.5℃.

为了地面利用小火箭有效地对云大量撒播介乙醛,我们设计了一种用 TNT 分散介乙醛的药桂。室内实验测定介乙醛的成冰阈温在-1℃左右。选取合适的配方压制以 TNT 为内芯,介乙醛在外层的药桂。爆炸试验表明:介乙醛产生的微粒数达12~(12)个/克,在-1℃~15℃范围内产生的冰晶数为10~7个/克~10~(10)个/克以上。对爆炸后收集的产物分析表明:介乙醛因燃烧或分介的损失量随 TNT 用量的加大而增加,而其保存量均在71%以上。贮存一年以上的介乙醛,其成冰能力降低一个量级左右。介乙醛急性经口毒性试验表明:大白鼠用 Horn 氏法计算 L_D50为316毫克/公斤,95%的可信限为169~591毫克/公斤。为了对比起见,对 AgI 的成冰能力也作了爆炸试验,实验表明:在-5℃~13.5℃范围内,AgI 产生的冰晶数为10~6个/克~10~(10)个/克。将介乙醛与 AgI-NaI-丙酮溶液的成冰能力相比较,发现温度高于-6.5℃时,作为冷云催化剂来说,介乙醛比 Agl 要更为有效。

Metaldehyde,an ice-nueleating agent of supercooled clouds,has been an- alysed by x-xay diffraction,infra-red spectrometry,nuclear magnetics resonance, mass spectrometry and diffrential thermal analysis.The results show that it is essentially a type of tetramer and it's geometric structure is that of the MI configuration proposed by Craven et al.In order to investigate further its ice- nucleating mechanism,molecular electronic structure has been computed by use of quantum chemistry method of CNDO/2.

利用x射线衍射图、红外光谱图、核磁共振谱、热谱和质谱等各种物理方法,对国产冷云催化剂介乙醛进行了分析。结果表明,它基本上就是四聚体,其几何构型为克莱文等人所提出的MI构型。为了进一步探讨其成冰机理,我们还采用了CNDO/2方案对该分子的电子结构进行了量子化学计算。

 
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