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molybdate n.【化學】鉬酸鹽。

molybdenite

( 5 ) by means of xps and edax , the relationship between the composition concentration x of ba1 _ xsrxmoo4 and ba1 . xsrxwo4 thin films and sr / ba in the starting electrolytes was researched in some detail , and the x is consistent with the percentage of sr element in the starting electrolytes , so , the composition concentration x can be controlled by modulating the sr / ba in the starting electrolytes . ( 6 ) at room temperature , the photoluminescence properties of as - grown molybdate ( 5 )首次綜合運用珊s和edax等手段分析研究了bal峨sr元moq和bal一srxwo4固溶體薄膜中的組分含量x與初始電解液中s祀a的關系,制備的bal一srxmoq和bal一srxwo4固溶體薄膜中的組分含量x與初始電解液中sr元素的原子百分比基本一致,可以通過調節初始電解液的s心a來控制制備的薄膜中的組分含量x 。

While still not evidenced in our experiment , liquid - phase doping of ammonium molybdate solution has been broadly agreed to be able to significantly increase the yield of swnts . we have developed another doping method , solid - phase doping of metal molybdenum at elevated temperature , and discovered that sol - gel prepared catalyst with such doping can be used to grow multi - wall carbon nanotube bundles in a very large scale 對催化劑進行摻鉬處理表明,它可顯著提高催化劑催化裂解甲烷合成納米碳管的能力:作者在高溫下進行了催化劑摻入金屬鉬的實驗,得到了一種性能優異的催化劑,以此制備的多壁納米碳管的呈束狀分布,所得的粗產物與催化劑之間的重量比達15倍以上。

The main conclusions with innovative features acquired from the present work are as follows : ( 1 ) soft solution processing technique for preparing functional thin films was put forward and applied to preparing advanced inorganic functional thin films ; a series of molybdate and tungstate films with scheelite - type were prepared directly on metal substrates ( molybdenum and tungsten foils ) by using constant current electrochemical technique at room temperature ; a series of titanate thin films with perovskite - type were synthesized directly on titanium flakes by hydrothermal method in our country for the first time 通過上述研究工作,得到了如下具有創新性研究成果: ( 1 )首次在國內提出和運用軟溶液制備工藝技術進行無機功能薄膜材料的制備研究;首次在國內采用室溫恒電流電化學技術直接在金屬基底(鉬片和鎢四川大學博士學位論文片)制備了白鎢礦結構的鋁酸鹽、鎢酸鹽薄膜;首次在國內采用水熱合成技術在欽金屬片上直接沛叮備了鈣欽礦結構的欽酸鹽薄膜。

The 102 strains which can produce hydrolyzed circles were obtained using alternative medium containing phytate - calcium . after being isolated and purified , these strains were inoculated into fermented medium , shaking in 28 c at 220r / min for 5 days , then their enzymatic activities were determined by ammonium molybdate - phosphate colorimertry under the condition of 37 cand ph2 . 5 . the result showed there were 24 strains with higher enzymatic activities among the 102 strains , after the rescreening , 7 strains were gained with enzymatic activities beyond 15u / ml and stable ability of producing acidic phytase , of which , enzymatic activity of the strain 14 was the highest , reaching 53 . 86u / ml , and it was preliminarilly identified as aspergillus . niger , then numbered as aspergillus . niger 14 用植酸鈣選擇性平板培養基從土樣中篩選出了102株能產透明圈的菌株,經分離純化后,接入液體發酵培養基, 28 、 220r min發酵5天,在37 、 ph2 . 5條件下用釩鉬酸銨法測定其所產植酸酶的活力,結果顯示,酶活較高的有24株,經再次搖瓶復篩后,酶活大于15u ml且產酶性能穩定的共有7株,其中以14 ~ #菌株的酶活最高,可達53 . 86u ml ,經初步鑒定為黑曲霉,編號為aspergillus . niger14 ~ # 。

Abstract : this paper introduces a kind of special technology to treat low grade molybdate and sodium molybdate which makes frist ammonium leaching of molybdenum up to above 96 % , and frist bases leaching of molybdenum up to above 97 % , with the 0 . 5 % 1 . 0 % of total molybdenum amount washed away and the less than 4 % of molybdenum amount thrown away . consequently , the solution and product has gained arise of high purity 文摘:介紹了處理低品位鉬精砂生產鉬酸銨及鉬酸鈉的工藝,鉬的一次氨浸率達96 %以上,一次堿浸率達97 %以上,隨同廢液流失的鉬占總投入鉬量的0 . 5 % 1 . 0 % ,棄渣含鉬小于4 % ,所得溶液及產品純度高。

Abstract : in order to comprehensively recover the valuable metals , it ' s necessary to use the method of removal of impurity of sodium sulphide in ammonium molybdate production with high tungsten and low potasium molybdenum concentrate . the process of comprehensive utilization of this slag was related 文摘:使用高鎢低鉀鉬精礦生產合格的鉬酸銨時,仍需要采用硫化鈉除雜的方式,以達到綜合回收有價金屬的目的,本文詳述了該渣的綜合利用過程。

( 4 ) taking bamoo4 thin film as an example , the processing conditions and the formation mechanisms of molybdate and tungstate thin films by electrochemical technique , and the optimum processing conditions of the two kinds of as - grown thin films above - mentioned were obtained ( 4 )以bal討oq為例,首次系統全面的研究了電化學制備鋁酸鹽、鎢酸鹽薄膜的工藝剎牛及其電化學咸次莫機制,得出了電化學制備上述兩大系列薄膜的優化工藝路線。

In order to develop an environment - friendly method to form a chemical conversion film on aluminium surface without the toxic hexavalent chromium compounds , a process with sodium molybdate and potassium permanganate as the oxidants in the treating solution has been investigated 摘要采用鉬酸鹽、高錳酸鹽作為成膜氧化劑,研究了鋁合金化學轉化膜的處理溶液,優化了溶液配方與工藝參數,在鋁合金表面制備出有良好耐蝕性的轉化膜。

Methods : the contents of total phosphatide , total polysaccharides and total saponins in sulphur fumigated lily and non - sulphur fumigated lily through phosphor molybdate blue and phenol hydrate - sulfuric acid and veniua - glacial acid were detected 方法:分別采用鉬藍比色法、苯酚硫酸法和香草醛冰醋酸法測定硫熏和非硫熏百合中總磷脂、總多糖及總皂苷含量。

As a result of environment protection , the non - toxic molybdate inhibitor has been gradually used instead of chromate and phosphate inhibitor which has the influence on environment 摘要曾一度較普及的格系、磷系緩蝕劑,由于對環境產生影響,其應用受到了限制,而作為非磷系且無毒的鉬酸鹽緩蝕劑逐步得到應用。

Abstract : the antibacterial properties , production processes and application for inorganic antibacterial agent of silver molybdate , composite of silver molybdate and zinc molybdate were reviewed briefly 文摘:簡要敘述了鉬酸銀、鉬酸銀與鉬酸鋅無機抗菌劑的制備、抗菌活性及其應用。

Abstract : the prospect of application for sodium molybdate , particularly the application in the corrosion inhibitor bleaching of chemical pulp and cleaning industry etc . were described briefly 文摘:簡要敘述了鉬酸鈉的應用前景,特別是在緩蝕、化學紙漿漂白和清洗工業領域的應用。

The corrosion inhibition effect of molybdate inhibitor in tap water on 20a carbon steel has been studied with electrochemical polarization curve and impedance test 為此,通過電化學極化曲線與交流阻抗實驗,研究了鉬酸鹽系列緩蝕劑在自來水中對20a碳鋼的緩蝕情況。

The possible contamination of other organelle membranes was determined by using markers of enzyme inhibitors in different organelle membranes such as vanadate , azide , molybdate and nos “ 利用不同細胞器膜上atpase或其它酶的標志性抑制劑來檢測質膜純度。

By the mixing of sodium sulfide and sodium molybdate within a suitable ph range , molybdenum trisulfide particles were obtained as precipitation substance 在一定酸性的條件下將硫化鈉和鉬酸鈉的水溶液進行混合與反應,生成棕色三硫化鉬膏狀沉淀。

It was shown that the inhibition effect of molybdate increased with the addition of phosphate , but could not increase with the addition of zinc sulfate 指出鉬酸鹽與正磷酸鹽的復配具有明顯的協同效應而與鋅鹽之間不存在協同關系。

Synergistic effect on corrosion inhibition by cerium ion and sodium molybdate for cold rolled steel in hydrochloric acid solution 離子和鉬酸鈉在鹽酸溶液中對冷軋鋼的緩蝕協同效應

Synergistic slow corrosion of sodium molybdate and sodium dodecylbenzene sulfonate on steel in hydrochloric acid solution 鉬酸鈉與十二烷基苯磺酸鈉在鹽酸介質中對鋼的協同緩蝕作用

Water quality - determination of phosphorus - ammonium molybdate spectrometric method iso 6878 : 2004 ; german version en iso 6878 : 2004 水質.磷的測定.第1部分:鉬酸銨的光譜測定法