zn 中文意思是什麼

zn 解釋
Zn = 【化學】zinc.
  1. Through preparative experiments and optimized experiments on cu ~ zn ultrafine powders that are prepared by the method of thermal spray and ball milling, the author finds that dispersants concentration, dispersing time, ph, temperature and adscititious ions have significant influences on dispersing effects

    西安理工大學碩士學位論文通過對熱噴塗球磨法制備的超細銅鋅粉的分散性進行預試驗和優化試驗,發現分散劑濃度、分散時間、 ph值、溫度和外加離子濃度對分散作用效果有重要影響。
  2. Exafs studies on particle concentration effect and adsorption reversibility of zn onto anatase tio

    2體系的顆粒物濃度效應和吸附可逆性
  3. Sacrificial anode of zn - al - cd alloy - chemical analysis

    鎘合金犧牲陽極化學分析方法
  4. Using cd, cu, zn and cr as experimental toxicants and crucian as experimental creature, we employed the environmental biotechniques ( flame atomic absorption spectrophotometry, the method of improved pyrogallol autoxidation and electron microscopy ) to study the acute toxicity and secure concentrations of heavy metals to crucian ; the accumulation and distribution of mixed heavy metals to fingling crucian ; the activities of superoxide dismutase ( sod ) of gill and liver tissues and the hispathological and ultrastructural change of superfine structure of liver and kidney of crucian after cadmium exposure. through which, we intended to fully and systemically study the toxic influence of heavy metals to fish, and preliminarily discuss the influence of heavy metals pollution to the diversified level of fish such as individual, organ, tissue, cell and molecule. thus we tried to provide scientific evidence to establish preventative management measures, avoid and relieve the harm of heavy metals pollution to aquicolous ecosystem in time

    隨后以這幾種重金屬作為實驗毒物,以鯽魚為實驗動物,應用環境生物技術、火焰原子吸收分光光度法、鄰苯三酚自氧化法、透射電鏡等技術研究了重金屬cu 、 zn 、 cd和cr對鯽魚的急性毒性及其安全濃度評價、混合重金屬在鯽魚幼體組織內的積累和分佈、 cd對鯽魚鰓和肝臟中sod活性的影響、 cd對鯽魚肝細胞和腎細胞超微結構的影響等,全面和系統地研究了水環境中重金屬暴露對魚類的毒性影響,初步探討了重金屬污染對魚類的個體? ?器官? ?組織? ?細胞? ?分子等各水平層次的影響,為制定漁業生產上預防性的管理措施提供科學依據,及時避免或減輕重金屬污染對水生生態系統造成的損害。
  5. Zn power, se power and diethylamine was used as the sources in this method and nanocrystal znse powders were synthesized at 225. these powders have been identified as polycrystal znse with zinc blende structure by xrd. the size of particle is about 100nm ~ 200nm

    採用zn粉和se粉為原料,以二乙胺為溶劑,在225下得到了znse粉末, xrd結果顯示其為znse多晶粉末,從tem照片可看出其顆粒的尺寸約為100nm 200nm 。
  6. Part iv in this paper, 28 physiologically ph7. 43 ( + 0. 02 ), applying fluorescence method, we observed the fluorescece quenching of bovine serum albumin ( bsa ) by its interaction with cu ( ii ) and zn ( ii ) or cu ( ii ) absolutely. we calculated stern - volmer ' s - k ' svotbsa, and lineweaver - burk ' s a ^ ' dcu - bsa in these two kinds of systems. the different interaction of cu ( ii ) and zn ( ii ) with bsa has been discussed in this paper

    在出er卜lmcfap人公瓦的全懶上吐似推導了此三元體系中熒光碎滅的締合公式。在與二元體系的比較后,推測zno )會竟爭cu門)與bsa結合, cu門川與bsa結合的穩定性大於zn )與bsa結合的穩定性。
  7. Digesting with microwave, and a faas method for the determination of trace elements ca, mg, mn, zn, fe in two kinds of sweet averrhoa carambola l. was described

    摘要採用微波消解,火焰原子吸收分光光度計對兩個甜楊桃品種進行了微量元素的測定。
  8. Investigation of laser cladding zn alloy on aluminum substrates

    熔覆層的實驗研究
  9. Uses : cold welding of nonferrous metals such as cu al ag ni pt sn zn ta and some of their alloys

    產品用途:對銅、鋁、金、銀、鉑、錫。鉭鈮等有色金屬線材及他們部分合金線材的焊接。
  10. Crevice corrosion of the shape memory alloy cu - zn - al

    形狀記憶合金的縫隙腐蝕
  11. At low concentration of zn, the changes in ultrastructure were nuclei deformation, chloroplast swelling and disorder of thylakoid arrangement ; serious damages in ultrastructure caused by greater zn stress were indicated by scattered nucleoli, condensed chromatin, almost empty nuclei with nuclear membrane disrupted and nucleoplasm flowing into cytoplasm, swollen and partly dissolved cristae of mitochondria, disrupted and collapsed chloroplast envelopes, and some dissolved thylakoids that flew into cytoplasm

    超微結構的變化也呈現加重趨勢,低濃度處理的變化為細胞核變形、葉綠體膨脹、類囊體排列紊亂;嚴重的超微結構的損傷是核仁散開、染色質凝集,細胞核幾乎成為空核和核膜破裂,核質散出;線粒體脊突膨脹和部分溶解;葉綠體膜斷裂、消失和部分類囊體溶解和散到細胞質中。
  12. Application of barrel plated zn - fe alloy as replacement for galvanization from a cyanate bath

    滾鍍鋅鐵合金取代氰化鍍鋅的應用
  13. Though zn 2 + and co 2 + are divalent ions, they probably can not substitute ca2 + from the active center of tcs, or can substitute ca2 + but does not change the structure of tcs. there is no significant change observed for the fluorescence intensity of tcs

    『 「是二價金屬離子,但這兩種離子與天花粉蛋白作用時可能並沒有取代天花粉蛋白活性部位的ca 『 」 ,或部分取代但並沒有改變天花粉蛋白分子的空間結構,以致天花粉蛋白的熒光強度無明顯變化。
  14. These experiments also showed a possible source of defects is a highly doped zn-diffused region in close proximity to the recombination region.

    這些實驗還表明,緊接近復合區的高摻Zn的擴散區有可能是一個缺陷源。
  15. Effects of cu, cd, pb, zn and as single stress on the hrowth and physiological and biochemical characteristics of juncus effuses

    單一重金屬脅迫對燈心草生長及生理生化指標的影響
  16. Determination of the standard enthalpy of formation for zn 2cl

    2標準生成焓的測定
  17. The tianbaoshan and daliangzi pb - zn deposits, strictly controlled by " formations, phases and structures ", are typical mvt pb - zn deposits. they also belong to the epigenetic hydrothermal strata - bound deposit

    天寶山、大樑子礦床嚴格受「層、相、位」的控制,屬後生熱液層控礦床,也是典型的密西西比河谷型鉛鋅礦床。
  18. Thermal analytical investigations of al - mg - zn eutectic alloy

    鋁鎂鋅共晶合金的熱分析研究
  19. Numerical simulation of fe zn antiseismic composites

    抗震復合材料的數值模擬研究
  20. A new type sacrificial coating of high barrier with flake al - zn alloy pigment

    用片狀鋁基合金顏料制備陽極型超屏蔽塗料
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