硼化銅 的英文怎麼說

中文拼音 [pénghuàtóng]
硼化銅 英文
boron copper
  • 硼 : 名詞[化學] （非金屬元素） boron （b）
  • 銅 : 名詞（金屬元素） copper （cu）
  1. Abstract : the structure and the properties of the grinding ball made of the composite cast iron have been researched in this paper. the result indicates that added trace boron and a proper quantity copper to this kind of composite cast iron can increase its quench - hardening ability, and raise its hardness and impact toughness

    文摘:研究了一種復合鑄鐵磨球的組織和性能，結果表明，化學成分和淬火工藝對這種復合鑄鐵磨球的組織和性能有很大影響，微量的硼和適量的銅可以明顯地提高磨球的淬透性，經過余熱淬火得到貝氏體或馬氏體基體組織，從而提高磨球的硬度和沖擊韌性。
  2. In 2005, 61 physical and chemical parameters were measured and analysed in sediments. these included particle size, electrochemical potential as highly anoxic sediment with negative potential is related to organic pollution, chemical oxygen demand which indicates organic pollutants, total sulphide inorganic constituents, source of the unpleasant - smelling gas hydrogen sulphide, 15 metals and metalloids aluminium, arsenic, barium, boron, cadmium, chromium, copper, iron, lead, manganese, mercury, nickel, silver, vanadium and zinc, and trace toxic organics pahs and pcbs - 16 compounds and 18 congeners respectively

    2005年，沉積物監測包括分析61種物理及化學參數，其中有粒子大小電化學勢有機污染促使沉積物缺氧，而讓電化學勢呈負數值化學需氧量顯示有機污染程度總硫化物無機物，是造成難聞氣體硫化氫的主因15種金屬及準金屬鋁砷鋇硼鎘鉻銅鐵鉛錳汞鎳銀釩及鋅和痕量毒性有機物多環芳烴及多氯聯苯分別為16種復合物及18種同質物。
  3. Two kinds of them are widely studied at present. one is the substance whose surface has micro - pore structure or crystal structure with excellent exchanging prosperity, such as silver - zeolite ; the other one generally select the glass with certainly chemical stability and soluble property, which are added a few ag +, zn2 +, cu2 + ion

    目前研究最廣泛的抗菌材料有兩類，一類是物質表面具有微孔結構或具有離子交換性能良好的層狀晶體結構如銀沸石等；另一類通常是選用有一定化學穩定性和水溶性的磷酸鹽和硼酸鹽系統玻璃微載體的含銀、銅、鋅的抗菌玻璃。
  4. Industrial pollution has been a problem in certain areas of hong kong, and 12 parameters relating to metals and metalloids were initially used in 1986 to measure the degree of such pollution. these parameters are aluminium, arsenic, boron, cadmium, chromium, copper, iron, mercury, manganese, nickel, lead, and zinc. in 1997, another seven were added antimony, barium, beryllium, molybdenum, silver, thallium, and vanadium, making a total of 19

    香港部分地區多年來一直受工業污染的困擾， 1986年河溪水質監測計劃推行初期我們用12項金屬及準金屬參數來檢驗工業污染水平：鋁砷硼鎘鉻銅鐵汞錳鎳鉛及鋅其後在1997年起另添加了七項新參數：銻鋇鈹鉬銀鉈及釩，監測的參數共19項，此外並測試了四項與工商業污染有密切關系的參數，即氰化物總量氟油脂及洗滌劑。
  5. Chapter 15 micronutrients and micronutrient fertilizers. boron, copper, mo, mn and their physiological roles and deficiency symptoms. their forms and their availability in soil. common iron fertilizers and effective usage

    第十五章微量元素肥料主要講授微量元素硼、銅、鉬和錳等的生理功能和營養作用，缺素癥狀；土壤中4種微量營養元素的形態、轉化及其有效性；微肥的合理施用。
  6. Unlike high - temperature superconductors ( copper oxide materials that superconduct at temperatures as high as 130 k ), mgb2 seems to be a traditional superconductor, albeit a novel variant

    和高溫超導體（主要成份為銅氧化合物，轉變溫度最高可達130k ）不同的是，硼化鎂雖然是個新登場的超導材料，看起來卻很像傳統超導體。
  7. It has weak - link free grain boundaries and is a kind of low cost material, . which could be used under 20k ~ 30k. however, mgb2 reveals a poor jc property in high magnetic field. currently in the research of the mgb2 wires and tapes many efforts have been made to improve its grain connection or enhance the jc dependence on the magnetic field using the method of chemical doping

    二硼化鎂是迄今為止所發現的超導臨界轉變溫度最高的非銅氧化物超導材料，它具有無弱連接、成本低廉、能夠在20k 30k應用等優勢，但是mgb2在外場下的臨界電流特性較差，目前在優化粉末套管法制備mgb2線帶材工藝的研究中，通過改善晶間連接和利用化學摻雜提高樣品的超導臨界電流密度是mgb2成材研究的一個重要方向。
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