molybdate ammonium 中文意思是什麼
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Technical requirements of ammonium molybdate
鉬酸銨技術條件 -
A new process for preparing ammonium molybdate by using waste calcium molybdate
利用鉬酸鈣廢物制取鉬酸銨的新工藝 -
Ammonium molybdate tetrahydrate
四水合鉬酸銨 -
Water quality - determination of phosphorus - ammonium molybdate spectrometric method
水質.磷的測定.鉬酸銨光譜測定法 -
Synthesis and characterization of ammonium 9 - molybdate manganese heteropoly salt with waugh structure
結構的鉬錳雜多酸鹽的合成及表徵 -
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佈，所得的粗產物與催化劑之間的重量比達15倍以上。 -
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 % ，棄渣含鉬小於4 % ，所得溶液及產品純度高。 -
Water quality - determination of total phosphorus - ammonium molybdate spectrophotometric method
水質總磷的測定鉬酸銨分光光度法 -
Workplace air - determination of phosphine - ammonium molybdate spectrophotometric method
車間空氣中磷化氫的鉬酸銨分光光度測定方法 -
Water quality - determination of phosphorus - part 1 : ammonium molybdate spectrometric method
水質.磷的測定.第1部分:鉬酸銨分光計法 -
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，酶活大於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 ，經初步鑒定為黑麴黴，編號為aspergillus . niger14 ~ # 。 -
Workplace air - determination of phosphorus pentoxide - ammonium molybdate spectrophotometric method
車間空氣中五氧化二磷的鉬酸胺分光光度測定方法 -
Evaluation of uncertainty of measurement of total phosphorus in water by ammonium molybdate spectrohotometry
鉬酸銨分光光度法測定水中總磷的測量不確定度評定 -
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，仍需要採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。
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