原鉬酸 的英文怎麼說
中文拼音 [yuánmùsuān]
原鉬酸
英文
ortho-molybdic acid-
In order to improve the electro - catalytic activity of platinum based catalyst to methanol oxidation, in this thesis, firstly prepare heteropoly acid modified pt / gc electrode with different concentration by cyclic voltammetry method, and then test the cyclic voltammetry curves individually in vitriolic and methanol solution. the study shows the best concentration for both phosphomolybdic acid and phosphotungstic acid is 1 10 ~ ( - 3 ) mol / l. and find the more heteropoly acid modified on electrode, the lower peak - up potential towards methanol because of the existence of oxygenous species
為了改善鉑基催化劑氧化甲醇的催化活性，本論文首先通過循環伏安掃描法制備了不同濃度磷鉬酸和磷鎢酸修飾的pt / gc電極，通過研究pt / gc電極在修飾前後在硫酸溶液中及含甲醇的硫酸溶液中的循環伏安行為發現，磷鉬酸和磷鎢酸均能在ptru / c電極上發生氧化還原反應，而且雜多酸修飾濃度對pt / gc電極氧化甲醇的催化活性有很大影響。Thirty - one crystals of polyoxometalates ( 1d, 2d, 3d ) were prepared by means of middle hydrothermal technique, molecular design and self - assembly, and characterized structurally by single crystal x - ray diffraction. the thermal stability, activity of catalysis and magnetism of some compounds were systematically studied. the continuous appearance of p - v - o, p - mo - o, v - mo - o, v - o system with novel structure enrich polyoxometalate chemistry, the reaction characterization and the synthesis law of molybdates, tungstates and vanadates under hydrothermal conditions were explored
由於p - v - o 、 p - mo - o 、 v - mo - o 、 v - o體系新結構不斷出現，豐富了多金屬氧酸鹽化學，探討水熱條件下釩、鉬、鎢物種的反應特性和生成規律，研究原料的選擇、配比、加料順序、濃度、酸度、反應溫度、反應時間等因素對產物的生成及結構的影響，為新的催化劑、導電材料、磁性材料的研製與開發積累經驗。Abstract : taken as materials, ammonium paramolybdate, molybdenum tri - oxide, molyb denum dioxide and molybdenum powder of different layers in thickness are reduced at different temperatures, and by analyzing the grain size, oxygen content and mo rphology of the molybdenum powders obtained, the effects of reduction processing on the grain size and oxygen content of the molybdenum powder of different layer s in the same boat are discussed
文摘:以仲鉬酸銨、三氧化鉬、二氧化鉬和鉬粉為原料，採用不同的溫度和不同的料層厚度進行了還原試驗，分析了所得鉬粉的粒度、氧含量和形貌，剖析了同舟內不同層次鉬粉的粒度和氧含量的變化規律。The reduced molybdosilicate spectro photometric method for the determination of acid - soluble silicon content
還原型硅鉬酸鹽光度法測定酸溶硅含量Taken as materials, ammonium paramolybdate, molybdenum tri - oxide, molyb denum dioxide and molybdenum powder of different layers in thickness are reduced at different temperatures, and by analyzing the grain size, oxygen content and mo rphology of the molybdenum powders obtained, the effects of reduction processing on the grain size and oxygen content of the molybdenum powder of different layer s in the same boat are discussed
以仲鉬酸銨、三氧化鉬、二氧化鉬和鉬粉為原料，採用不同的溫度和不同的料層厚度進行了還原試驗，分析了所得鉬粉的粒度、氧含量和形貌，剖析了同舟內不同層次鉬粉的粒度和氧含量的變化規律。General method for determination of silicon content of chemical products - reducted molybdosilicate spectrophotometric method
化工產品中硅含量測定的通用方法還原硅鉬酸鹽分光光度法Molybdovanadophosphate tetraethylammounium nanoparticles bulk - modified carbon paste electrode and its electrocatalysis toward the reduction of hydrogen peroxide
鉬釩磷酸四乙胺納米粒子體修飾碳糊電極及其對過氧化氫的電催化還原The effective method of nucleation and growth of nanoparticles as applied to synthesize w - and mo - containing polyoxometalates nanoparticles in precursor films by making use of their acidity or oxidative property. the controllable synthesis of nanoparticles can be achieved by increasing synthetic cycle of polyoxometalates. the composition, structure, and properties of the as prepared composite films have been characterized in detail by uv - vis, ftir, x - ray photoelectron spectra, scanning electron microscopy, atomic force microscopy, transmission electron microscopy and cycle voltammograms
利用有效的在前體膜中成核、生長納米粒子的方法，使用keggin型鎢系、鉬系多酸，有目的地利用其酸性，強氧化性，在膜中發生反應，從合成出基於多酸的納米粒子，通過增加多酸的反應循環數，我們可以實現了納米粒子的可控合成，採用uv - vis光譜、 ftir光譜、 x -射線光電子能譜、掃描電子顯微鏡、原子力顯微鏡、透射電子顯微鏡、循環伏安對所制備的納米復合膜進行了組成、結構和性質表徵。Sodium tripolyphosphate and pyrophosphate for industrial use ; determination of orthophosphate ; photometric method using reduced phosphomolybdic complex
工業用三聚磷酸鈉和焦磷酸鈉.正磷酸鹽測定.還原鉬磷酸鹽光度法Methods for chemical analysis of iron, steel and alloy. the reduced molybdosilicate spectrophotometric method for the determination of acid - soluble silicon content
鋼鐵及合金化學分析方法還原型硅鉬酸鹽光度法測定酸溶硅含量Sodium hydroxide for chemical fiber use - determination of silicon mass fraction - reduced molybdo silicate spectrometric method
化纖用氫氧化鈉中硅含量的測定還原硅鉬酸鹽分光光度法分享友人