active metal 中文意思是什麼

active metal 解釋
活潑金屬
  • active : adj 1 活動的,有活動力的;【生物學】活性的;【電學】有功的;【無線電】有源的;【物理學】放射性的...
  • metal : n 1 金屬;金屬製品;金屬合金。2 【化學】金屬元素;(opp alloy);金屬性。3 【徽章】金色;銀色。4 ...
  1. It is a heavyweight detergent that contains active emulsifying agent and rust - curbing agent it can easily rid grease paraffin carbon spots dyestuff and mold spectacles of the mechanic equipment metal surface or any ornamental surface it can be easily used and has an obvious effect with respect to its economy and security it works better when diluted with warm water

    本品屬重量級除漬去油污劑,經含有強力滲透表面活性乳化劑和銹抑制劑,極易去除機械設備、金屬表面、任何裝飾表面、油脂、石蠟、碳跡、染料、霉斑等污物,使用方法簡單,清洗效果顯著,而且及其安全經濟,溫水稀釋效果更佳。
  2. Hongxing forestry is rich in natural resources, it has 15. 5million cubic meters of active timber reserves, in addition, it has more than one hundred kinds of trees such as korean pine, larch dragon spruce, fir, birch, oak and manchurian ash, etc, gold and iron, etc, many kinds of metal mines, such as abound in free burning coal, marble and limestone deposits ; hundreds of wild medicine materials with developing prosperity, such as acanthopanax, fruit of chinese magnoliavine and dangshen, etc

    紅星區自然資源相當豐富,活立木總蓄積1550萬立方米,有紅松、落葉松、雲冷杉、樺木、曲柳等百余種樹木;黃金、鐵等多種金屬礦,長焰煤炭、大理石、石灰石等儲量豐富,礦質優良;刺五加、五味子、黨參等幾百種野生藥材頗有開發前景。
  3. Baoji anode new material co., ltd is mainly engaged in the metal anode, the active negative pole, the metal anode electric tank, the special metal coating processing and the production, and metal anticorrosion technology consultation and technical service

    該公司主要從事金屬陽極、活性陰極、金屬陽極電解槽、特種金屬塗層的加工和生產,以及金屬防腐技術的咨詢與技術服務。
  4. Kanto chemical supplies various functional materials such as liquid crystal, active pharmaceutical ingredients, food additives and organic metal compounds

    關東化學提供液晶材料,醫藥品原料,食品添加物,有機金屬化合物等多項機能性材料。
  5. The recombinants were constructed by transforming ppic9 a - xynb into p. pastoris gs115. the assay results revealed that the xylanase gene xynb was overexpressed and secreted effectually in p. pastoris. in 3l fermentor the expression level of xylanase xynba exceeded 1200iu / ml and the expressed xylanase had normal bioactivity. the molecule weight of xynba was determined as about 31kd which is higher than 23kd of original enzyme xynb from streptomyces olivaceoviridis a1. xynbb was gotten by deglycasylation of xynba, whose molecule weight returned to 23kd. we comparised the enzymatic properties of xynba expressed in p. pastoris, xynbb deglycasylated from xynba and xynb produced from streptomyces olivaceoviridis al : there was little difference among the three enzymes on optimal ph, the optimal ph of xynb and xynba were both 5. 2, the optimal ph of xynbb was 5. 0 ; the optimal temperature of xynb and xynba were both 60 c, while the optimal temperature of xynbb was 50 ? ; because of glycosylation the thermal stability of xynba was better than xynb and xynbb ; the specific activity of xynba and xynbb were 883. 88iu / mg and 832. 5hu / mg respectively, which were both lower than 2814. 45iu / mg of xynb ; the km values of xynb and xynba were similar to each other which were 21. 56 ( g / kg ) and 20. 87 ( g / kg ), while the km value of xynbb was 27. 10 ( g / kg ) ; the fmax of xynba and xynbb were 4568umol / mg. min and 5329umol / mg. min respectively which were lower than 27623 umol / mg. min of xynb ; additionally all of the three enzymes did not display cellulase activity. they all had well resistance to pepsion and trypsin, and were not sensitive to metal iron, surface active agent and chelating agent. the analysis of different xylans enzymatic hydrolysate revealed : by xynba, that the main constitutions of enzymatic hydrolysate of birch wood xylans were xylotriose and xyloquaiose, which account for 68. 43 % and 16. 50 % respectively, additionally there was 11. 79 % of xylobiose ; the main constitutions of enzymatic hydrolysate of corncobs xylans were xylobiose and xylotriose, which account for 81. 78 % and 11. 55 %. the result indicated that this xylanase was a kind of 1, 4 - b - d - xylanohydrolase and was fit to used in industrial procession of xylooligosacc harides

    進一步對xynba進行了脫糖基化處理得到xynbb ,其分子量恢復到23kd ,證明xynba是糖基化蛋白。通過對畢赤酵母重組表達的木聚糖酶xynba 、脫糖基化的木聚糖酶xynbb以及橄欖綠鏈黴菌a1所產原酶xynb之間酶學性質的比較發現:三種酶的最適ph差異不大, xynb和xynba均為5 . 2 , xynbb為5 . 0 ; xynb和xynba的最適溫度均為60 , xynbb降為50 :在耐熱性上, xynba由於糖基化作用熱穩定性明顯高於未糖基化的xynb和xynbb ; xynba和xynbb的比活性分別為883 . 88iu mg和832 . 51iu mg ,明顯低於原酶的比活2814 . 45iu mg ; xynb和xynba的km值相當,分別為21 . 56 ( g kg )和20 . 87 ( g kg ) ,而xynbb的km值較大為27 . 10 ( g kg ) ; xynba和xynbb的vmax相差不大,分別為4568 mol mg ? min和5329 mol mg ? min ,明顯低於xynb的27623 mol mg ? min此外三種酶均無纖維素酶活性,對胃蛋白酶和胰蛋白酶有很好的抗性,且對作用環境中的各種離子、表面活性劑、螯合劑不敏感。通過對不同木聚糖的酶解產物的糖份分析發現:以樺木木聚糖為底物時,酶解產物主要為木三糖和木四糖,含量分別為68 . 43和16 . 50 ,另外還含有11 . 79的木二糖;以玉米芯木聚糖為底物時,酶解產物主要為木二糖和木三糖,含量分別為81 . 78和11 . 55 。
  6. Nano - alkali metal hydrides and lanthanide hydrides can be prepared easily by the direct hydrogenation catalyzed by ticl4 in tetrahydrofunan ( thf ) under normal pressure. lanthanide powder of nanometric size in a finely dispersed active form was generated by the thermal decomposition of organolanthanide in vacuum. 1

    本文應用絡合催化法,在常溫常壓下,在萘/ ticl4催化體系作用下合成納米尺寸堿金屬氫化物(以nah為代表) 、納米尺寸鑭系金屬氫化物(以smh3為代表)和鑭系金屬有機化合物(以蒽鑭為代表) ,並通過真空熱解鑭系金屬有機化合物得到高分散度的納米尺寸鑭系金屬粉末(以la為代表) ,主要考察如下三個方面的內容。
  7. The biological characterization and the absorption capacity of a myxobacterium nust03 for the heavy metal is investigated. an active metabolite is separated and purified from the fermentation by the nust03

    研究鹽土粘細菌nusto3菌株的形態結構、生理生化特性和吸附重金屬的能力並分離純化其胞外活性物質。
  8. Results came as follows : in this dissertation, we found that it was the smallness of the positive electrode capacitance that limits the performance of carbon based supercapacitors in alkaline electrolytes, and the performance could be meliorated if the active material loaded on positive electrode increased. activated carbon electrode was proved to have good capacitor performances in neutral electrolyte such as ammonium sulfate solution and ammonium nitrate solution, but a correlated problem is the corrosion of the metal current collector

    本文通過考察活性炭電極在堿性電解液中的電極行為,指出活性炭電極在堿性溶液中正極性能較差是影響碳基超級電容器性能的重要因素,增大正極活性物質的載量能夠使電容性能得到一定程度的改善,同時發現活性炭電極在硫酸銨和硝酸銨等中性電解液中具有優越的電極性能,但存在金屬集流體的腐蝕問題。
  9. The preparation of functionalized mesoporous molecular sieves were introduced, which are including the formation of the acid active sites, redox active sites and used the support for immsobilizing enzyme catalysts by heteroatomic substitution ; the formation of polymerization active sites, acid active sites or chiral catalysis sites by the organic - inorganic graft ( or hybridization ) ; as the carriers, the transition metals, transition metal oxides and acid catalysts are supported

    摘要介紹了介孔分子篩經雜原子取代,引入酸功能、氧化還原功能;經有機無機嫁接(雜合) ,引入聚合催化功能、酸催化功能、手性催化功能;經修飾的介孔分子篩,用作固定化酶催化劑的載體;作為催化劑的載體,用於負載過渡金屬及其氧化物和制備負載化的固體酸催化劑。
  10. The metal ions and its coordination environment are generally the active center of the biological molecules, so the study on the metal ions and their micro - environment is of great significance

    金屬離子及其配位環境往往就是生物分子的活性中心,因而對金屬離子及其微環境的研究具有重要意義。
  11. Hollow metal o - ring is inhibited to contact active chemical agents, in order to prevent corrosion

    2金屬空心o形圈不允許與活性化學劑接觸,以防被腐蝕。
  12. In view of the poor adhesion of ultraviolet - curing paints to metal substrate, the effect of prepolymer, active diluent, adhesion accelerator, curing process and pretreatment on the adhesion of coating to metal substrate was studied

    針對紫外光固化塗料存在與金屬基體附著力差的問題,通過試驗研究了塗料組分與工藝過程如預聚體、活性稀釋劑、附著促進劑、固化工藝及預處理對塗膜在金屬基體上的附著力的影響。
  13. Active metal indicated electrode

    活性金屬指示電極
  14. Because of the complexity of enzymes, model compounds, whose structures and functions are similar to the active sites of enzymes, have been used to investigate the interaction of the enzymes with metal ions and then to study the mechanisms of the interaction of anti - oxidases with heavy metal ions

    由於酶的復雜性,選擇與酶的活性部位結構和功能相似的模型化合物,來探討金屬離子與相應酶的作用,進而探討金屬離子與植物體保護酶作用機制,已被各國科學家所接受。
  15. Experiment of applying active phase metal elements for ore prospecting in hulalin gold ore field of eerguna, inner mongolia

    內蒙古額爾古納虎拉林金礦區金屬元素活動態測量法找礦試驗
  16. It is highlighted that besides passive transport, dissolved metal transport into bivalves was involved in active transport coupled with atp

    強調了貝類對溶解態重金屬的轉運除了被動轉運之外,還涉及到需要atp供能的主動轉運過程。
  17. With frame gather card and ccd, metallographic image which can be processed by computer is acquired after a serials of the applications of digital image technique such as gray level transformation, dichotomy, noise eliminating, dilation and erosion, image enhancement, boundary detection, etc. an automatic quantitative metallographic analysis system is developed with visual c + + 6. 0 to realize the measuring of the size of the metal crystalline grain, evaluation the proportion of the second tissue of the metal, micro hardness. with three - level browser / server mode and active server technology, the system gives the remote user the applying service through network to communicate and analyze the image information

    利用數字圖像處理技術,對圖像採集卡或ccd攝像頭採集到的金相圖像進行灰度轉換、二值化、噪音消除、圖像增強、邊緣提取等一系列圖像預處理,獲得計算機可以處理的數字圖像;並利用visualc + + 6 . 0開發定量金相分析系統,以實現對晶粒大小、金相組織第二相相對含量、顯微硬度等參量的自動測量;採用基於browser server的三層體系結構,通過網路訪問,並利用activeserver技術給遠程用戶提供應用服務,以便於根據圖像分析結果,給出專家分析意見,實現異地分析及交流。
  18. This paper outlines the research overview of reaction mechanism of vinyl acetate synthesis from acetic acid and acetylene catalyzed by active carbon - zinc acetate, and reviews the researches on the catalyst supporter, the major metal catalyst, the promoters and the deactivation mechanism at home and abroad

    摘要從乙炔法氣相合成醋酸乙烯的反應機理入手,綜述了醋酸鋅活性炭催化劑的載體、活性組分、助劑以及失活機理的國內外研究情況。
  19. The metal ion may be the catalytic center of the cofactor, or it may serve to bind the enzyme and substrate together to hold the enzyme in a catalytically active conformation

    金屬離子可以是輔助因素的催化中心,也可以幫助形成酶活性所必須的構象。
  20. Many gettering techniques have been widely studied to overcome this problem by removing metal impurities from active regions of device. one new gettering method that has recently received growing interest is the use of nanocavities resulting from helium or hydrogen implantation

    所以需要減小有源區中金屬雜質的濃度,通常採用吸除的方法把金屬雜質從器件有源區吸收到有源區之外預先形成的sink (陷阱)中。
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