金属的
- 与 金属的 相关的网络例句 [注:此内容来源于网络,仅供参考]
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The universal formulases of a average internal energy of atom in metal and the two different kinds of metal atomic interaction potential have been derived by applying to the classical concept of the metalic structure and concerning the Gauss type ball symmetry of the around electronic density of atomic nucleus.
本文介绍了亚稳态Fe50Cu50固溶体晶格常数的测量结果,应用金属结构的经典概念并考虑到原子核周围电子密度的高斯型球对称分布,导出了计算金属中一个原子的平均内能和两种不同金属原子相互作用势的普遍公式。
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Jamesonite, marmatite, pyrrhotite and pyrite are the complicated and mutiple-metal sulfide resources to process difficultly in Dachang Mine. Research on the basic theory of flotation electrochemistry and on potential-controlled flotation technology of the sulfide resources can be helpful to develop some new flotation theory and technology of the complicated and mutiple-metal sulfides, and to utilizate comprehensively the mineral resources, and to lower their production cost, and to improve the economical benefits. It is of important theoretical and practical significance.
脆硫锑铅矿、铁闪锌矿、磁黄铁矿、黄铁矿是大厂特有的难分离、难处理的复杂多金属硫化矿物资源,对其进行浮选电化学的基础理论和电位调控浮选技术研究,可发展复杂多金属硫化矿物浮选分离理论,形成复杂多金属硫化矿物浮选分离的创新技术,加强矿产资源的综合利用,降低成本,提高经济效益,具有重要理论意义和现实意义。
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With respect of slab lateral cambering of hot rolling sizing press,the analysis shows it is the temperature difference on both sides of the slab that causes different resistance in metal's plastic deformation,which makes metal deform at different speeds.
针对热轧SP定宽轧制的板形侧弯问题,经分析指出:板坯两侧温差造成金属塑性变形抗力大小不相等,从而使金属变形速度不同,变形速度快则相同时间内移动的金属量多,最终使变形快的一侧向变形慢的一侧弯曲是板形侧弯的形成机理。
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Delighting in magicians' conventions where tips and tricks were busily exchanged in corners, he dropped occasional hints about "metal gimmicks" in the rope trick and "tin tubes" that could make a coin disappear into a metal box inside another metal box inside an immense ball of twine—but listeners were none the wiser.
对魔术大会上魔术师们在角落里交流戏法秘诀感到欣喜,他偶尔会给点提示,比如绳索戏法里的"金属秘密装置"和"罐头管"戏法,即如何使一个大麻线球里的金属盒里的套着的金属盒里的硬币消失,可是听众们却不得其法。
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Ever fizzing on the subject , delighting in magicians' conventions where tips and tricks were busily exchanged in corners, he dropped occasional hints about "metal gimmicks" in the rope trick and "tin tubes" that could make a coin disappear into a metal box inside another metal box inside an immense ball of twine—but listeners were none the wiser.
他谈起魔术来就兴奋不已,对魔术大会上魔术师们在角落里交流戏法秘诀感到欣喜,他偶尔会给点提示,比如绳索戏法里的"金属秘密装置"和"罐头管"戏法,即如何使一个大麻线球里的金属盒里的套着的金属盒里的硬币消失,可是听众们却不得其法。
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With strengthening of geological and mineral exploration, a great deal of strip mines and near surface mine hare been be found out. It is more and more difficult to find great metallic ore deposits in shallow subsurface(first deep space:0~500m depth).On the other hand, the shortage of metallic ore resources becomes more and more serious.
随着找矿勘探工作程度的不断深入,许多露天的和近地表的金属矿产资源已基本上被查明,在地表浅部(第一深度空间:0~500 m深度)找到大型或超大型金属矿床的难度将必越来越大,而金属矿产资源的短缺已在日益加剧。
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This paper contains three parts: 1 Synthesis of novel titanium complexes; 2 Polymerization behaviors of alkoxyl substituted Cp Titanocenes as catalysts for styrene syndiotactic polymerization; 3 Polymerization behaviors of alkenyl substituted Cp Lanthanocenes as Methyl Methacrylate polymerization catalysts.
中文题名新型茂钛、噁唑啉钛络合物的合成、表征以及茂钛、茂稀土络合物催化性能的研究副题名外文题名 Synthesis,characterization of novel Cp,oxazoline titanium complexes and polymerization behaviors of titanocenes and lanthanocenes 论文作者张浩导师钱延龙黄吉玲学科专业应用化学研究领域\研究方向金属有机与均相催化学位级别博士学位授予单位华东理工大学学位授予日期2003 论文页码总数148页关键词金属有机化学稀土络合物噁唑啉类钛络合物茂钛络合物馆藏号BSLW /2003 /O627 /27 本论文包括三部分内容:1)有机金属钛络合物的合成;2)烷氧基取代茂钛络合物催化苯乙烯间规聚合的研究;3)烯基取代茂稀土络合物催化甲基丙烯酸甲酯聚合的研究。
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The method comprises the steps of dipping and mixing the mipor asphaltic base globular active carbon prepared by the traditional method with an inorganic metal salt solution by a certain ration; heating under an inert atmosphere to 600 to 1200 DEG C at a temperature increasing rate of 1 to 20 DEG C/min for the secondary carbonization; using acid to wash off the remaining metal inside the carbonized material, so as to obtain the asphaltic base globular active carbon with a high mesoporous rate and narrow distribution of mesoporous spertures.
本发明提供了一种浸渍金属盐二次炭化制备中孔沥青基球形活性炭的方法,该方法是将传统方法制备得到的微孔沥青基球形活性炭按一定比例与无机金属盐溶液浸渍混合,然后在惰性气氛下以1~20℃/min的升温速率加热到600~1200℃下进行二次炭化,炭化料经酸洗除去内部残留的金属后,可制得中孔率较高、中孔孔径分布窄的沥青基球形活性炭。
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Some new results are obtained from the studies: 1 a novel thermokinetic research method, the characteristic reduced parameter method, has been proposed, and the kinetics of oxidation of benzoquinone by hydrogen peroxide has also been investigated with this method; 2 the kinetic mathematical models that the metallomicelles made from the mono-nuclear or dinuclear complexes and surfactants catalyze the phenolic derivant oxidation have been established respectively; 3 the feasibility and mechanism that the metallomicelle, a mimetic model of peroxidase, catalyzes the phenolic derivant oxidation has been discussed.
研究得到如下新的结果:(1)提出了一种新的热动力学研究法——特征对比参量法,用该法研究了过氧化氢氧化苯醌反应动力学;(2)分别建立了由单核和双核金属配合物与表面活性剂形成的金属胶束催化酚类氧化反应的动力学数学模型;(3)探讨了金属胶束模拟过氧化物酶催化酚类氧化反应的可行性及其机理。
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The preparation method is characterized in that:(1) at minus 10 DEG C to 10 DEG C, a chloroauric acid solution with a certain concentration is added into a nano-Pt/C catalyst by ultrasonic or stirring mixture and the atomic ratio of Pt to Au is controlled between 18:1 and 5:1;(2) a small amount of monohydric alcohol or dihydric alcohol or trihydric alcohol of C1-C3 is added and is stirred at minus 10 DEG C to 10 DEG C for 10 min to 5h, so as to prepare the carbon-loading Pt-Au bimetallic nano electro-catalyst;(3) if necessary, the catalyst obtained by the step (2) is treated for 0.5 to 4h at high temperature ranging from 100 DEG C to 700 DEG C in the inert or reducing atmosphere, so as to adjust and control the grain size of the Pt-Au bimetallic nano electro-catalyst.
本发明涉及了一种高稳定性碳载Pt-Au双金属纳米电催化剂的制备方法,其特征在于:(1)在-10~10℃中,将一定浓度氯金酸溶液加入到纳米Pt/C催化剂中经超声或搅拌混合,控制Pt∶Au的原子比为18∶1-5∶1;(2)添加少量C 1 -C 3 的一元、二元或三元醇类,在-10~10℃下搅拌10min-5h,制备了碳载铂金双金属纳米电催化剂;(3)视需要,可将步骤(2)得到的催化剂在惰性气氛或还原气氛中经100~700℃高温处理0.5-4h,可调控Pt-Au/C双金属纳米催化剂的粒径。
- 推荐网络例句
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Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.
在对危险的南部地区访问时,他斥责什叶派民兵领导人对中央集权的挑衅行为。
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In fact,I've got him on the satellite mobile right now.
实际上 我们已接通卫星可视电话了
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The enrich the peopling of Deng Xiaoping of century great person thought, it is the main component in system of theory of Deng Xiaoping economy, it is a when our country economy builds basic task important facet.
世纪伟人邓小平的富民思想,是邓小平经济理论体系中的重要组成部分,是我国经济建设根本任务的一个重要方面。