氧化系數 的英文怎麼說
中文拼音 [yǎnghuàxìshǔ]
氧化系數
英文
coefficient of oxidation-
( i ) in the procession of preparing na2feo4 by electrolyzing and oxidizing anodic iron in the high concentration solution of naoh, the current efficiency is directly proportional to both of the temperature and the alkaline concentration of the anolyte, and the growth rate of the na2feo4 concentration of anolyte is directly proportional to both of the electrolyzing speed and the alkaline concentration of anolyte.,
主要結論如下： （ 1 ）在濃naoh溶液中直流電解氧化鐵陽極生成na _ 2feo _ 4溶液的過程中，電解液溫度、陽極液堿濃度與電流效率成正函數關系；電解速度、陽極液堿濃度與陽極液中na _ 2feo _ 4濃度的增長速度成正函數關系。A novel catalytic property of hemin is described. in ammonium buffer medium of ph 8. 08. 9, hemin has an ability to catalyze the decoloration of bromopyro - gallol red. oxygen dissolved in solution plays a role as an oxidant in the reaction. with sodium dodecylbenzenesulfonate and ethanol as effect - enhancing agents, the catalytic system obeys the michaelis - menten equation of enzymatic catalysis. the michaelis constant, catalytic constant and specificity constant of the system are estimated by lineweaver - burk plot to be 3. 710
在ph 8 . 08 . 9氨性緩沖介質中， hemin催化溶解氧氧化溴鄰苯三酚紅的褪色反應。在sdbs和30 %乙醇的增效作用下，催化體系服從michaelis - menten方程。用lineweaver - burk作圖法求得米氏常數催化常數和專一性常數分別為3 . 710Combined the above results, there existed significant correlation among chlorophyll a fluorescence parameters ( fv / fo, fv / fm, yield, qp, qn and mda contents, plasma membrane permeability in euonymus japonicus " zhuzi " seedlings
葉綠素熒光a參數與mda含量及質膜相對透性的的相關性分析表明，低溫脅迫下， ps原初光能轉化受抑製程度與膜脂過氧化存在一定的關系。This article analyzes the mineralization mechanism of the uranium ore, constructs a series of spectra indexes including the ferric oxide index, the ferrous oxide index, the oxidation index, clay mineral index, brightness index, the green index and the humidity index, and draws the distribution and scope of the oxidation belt, deoxidation belt, the supplies and partial drainage of ground water in the research area, thus selects the advantageous area of uranium mineralization
通過分析鈾礦的成礦機理，構建了氧化鐵指數、氧化亞鐵指數、氧化指數、粘土礦物指數、亮度指數、綠度指數和濕度指數等一系列光譜指數，提取了研究區氧化帶、還原帶、地下水補給與局部排泄的分佈和范圍，從而圈定了鈾礦成礦的有利區。Composed of micro diamonds, aluminum oxide, and silicon carbide, the isotopic distribution of these grains bore the telltale marks of their birth : ancient supernovas and red giant stars, that shone brightly and then flickered out, billions of years ago, before the birth of the solar system
由微金剛石、鋁氧化物、碳化硅組成的這些微粒的同位素分佈透露出它們的誕生：那些數十億年前，在太陽系尚未誕生時，曾經閃耀並最終熄滅的古老超新星和紅巨星。The imported transparent glaze fired at lower temperature was analysed semi - quantitatively by adopting emission spectroscope. the stripping of lead and cadmium from this transparent glaze fired at lower temperature in ceramic product was determined by atomic absorption spectroscope. the effect of chemical composition on the stripping of lead and cadmium was analysed. upon the author s opinion, the overproof lead stripping from the imported transparent glaze fired at lower temperature can only be settled by adopting lead - free glaze instead of adopting low - lead prescription. the author succeeded in developing an excellent lead - free transparent glaze fired at the lower temperature of 1000 1050. the success is based on an inquiry into the feasibility of using such new agents of fusion as li2o and sro in replacement of pbo ; and on a study of the effects of the contents of sio2 ， al2o3 ， b2o3and other metallic oxides on such performances of glaze as coefficient of linear expansion, fusion temperature and transparency. it is also based on an analysis of coefficient of linear expansion of blank and glaze on an analysis of coefficient of linear expansion of blank and glaze on their correlation ; and on a study of technology for preparing glaze
採用發射光譜儀對進口低溫透明釉進行半定量分析，並用原子吸收光譜儀測定其陶瓷製品的鉛、鎘的溶出量，分析化學成分對鉛、鎘溶出量的影響.結果表明，進口低溫透明釉採用低鉛配方不能解決鉛溶出量的超標問題，只有採用無鉛釉才能解決.探討用氧化鋰和氧化鍶等新型熔劑完全代替氧化鉛的工藝，研究釉料中氧化硅、氧化鋁、氧化硼和各種金屬氧化物的含量，對釉的線膨脹系數、熔融溫度和透明度等性能的影響.分析坯料、釉料的線膨脹系數及其相互關系和釉料制備的工藝，研製出優質的1000 1050低溫無鉛透明釉To determine the vitriolic solute quality mark in sewage does following tests : take 10 grams this sewage, chase to the middle of sewage drop join solute quality mark to change sodium solution for the oxyhydrogen of 4 %, if plan institute is shown, the ph change of the quality of solution of natrium of oxidation of place drop hydrogenation and solution concerns
為測定污水中硫酸的溶質質量分數做如下實驗：取10克該污水，向污水中逐滴加入溶質質量分數為4 %的氫氧化鈉溶液，所滴加氫氧化鈉溶液的質量與溶液的ph變化關系如圖所示。We have our own processing factory with a team of 9, 000 workers, and we are capable of manufacturing synthetic cut stones cubic zirconia, glass, red corundum, synthetic spinelle, etc of many shapes and colors in series. they are graded into aaa, aa, a, ab, b, etc
富寶寶石工藝有限公司自設加工廠，還擁有一支總人數超過九千多人的特約加工隊伍，生產能力強大，能生產各種形狀和顏色的人造寶石立方氧化鋯玻璃紅剛玉合成尖晶等系列產品，產品等級分為： aaa aa a ab b級等。Surface treatments. anodized aluminium and aluminium alloys. measurement of total reflectivity using a photoelectric reflectometer
表面處理.陽極氧化鋁和鋁合金.總反射率的測定.用光電反射系數計測量總反射系數Carbon monoxide ( co ) is used as a research example. based on the theory and experimental approaches of optical fiber infrared absorption sensing, mathematical model and system design for optical fiber on - line gas measurement are presented
本文選擇一氧化碳（ co ）作為被測對象，詳細研究了基於近紅外吸收的光纖傳感的理論和實驗方法，為氣體的光纖在線檢測提供完善的數學模型和設計系統。In this paper, taking one of the special processes - chromic acids anodizing for example, such administration methods as the key points control and the quality performance administration system for surface treatment process have been setup by process analysis and key points seeking. as for the complicacy of the quality control on metallurgical special processes and the huge statistic data, the quality information system of surface treatment have been established on the bases of computer database. this paper brings out the systematic evaluation way to setup reception test items by taking the reception test results as evaluation basis and sampling statistics as rules
本文以鉻酸陽極氧化表面處理工藝為研究對象，通過工藝技術分析、尋找關鍵特性、建立對關鍵特性的控制等工作，研究建立了表面處理工藝動態質量管理系統；針對冶金特種工藝質量控制的復雜性及統計數據量大等特點，建立了以計算機數據庫管理為基礎的表面處理信息及處理系統；為解決冶金特種工藝原材料入廠復驗任務重的困難，建立了以原材料入廠復驗的試驗結果為評價基礎，以抽樣統計方法為依據的原材料入廠復驗項目優選系統等。Automatic controls, ddc controls, bms controls, compensated controls, flow controls, co2 controls, etc
自動控制、數碼控制、樓宇自動控制、補償控制、流程式控制制、二氧化碳系統控制等The results indicated that the dimension, shape and purity of base material could meet the functional demand of solid lubricant ; the thermal decomposition temperature of ptfe resin exceeds 400 c, but organic and inorganic packing filler added in ptfe made the water absorption rate of composite material increased, melting temperature and decomposition temperature decreased, in the meanwhile oxidative decomposition reaction was accompanied ; polar groups such as c = o, c - o - c and so on in the carbon fiber surface is advantageous to increase compatibility with other components and interlayer shearing strength ; uniform design experimental method could help to find the relationship between formula and frictional property by relatively small tests. the developing trend of each formula ' s friction coefficient could be showed by fitting curve ; the friction coefficient with no copper powder or graphite in formula was relatively big. this fact showed that copper powder and graphite should be used cooperatively ; it was found that when the ratio of copper powder to graphite by weight is 15 : 60, 30 : 30 - 40 and 60 : 15 - 30 respectively, the friction coefficient was relatively small. the degree of crystallinity of pure ptfe reached maximum by air cooling and the abrasion loss also reached maximum among three ones ; at the same time, the abrasion loss of solid lubricant sample was also the biggest among three ones ; when solid lubricant matched with 45 # steel axle or gcrl5 steel axle, lubricant transfer film could be formed on metal surface, thus direct contact between the surface of metal friction pair rings was reduced. their working life was elongated extremely ; there was mainly much graphite, a little ptff, moo3, feso4, cus and so on in lubricant transfer film
試驗結果表明：所選原料的尺寸、形狀及純度可滿足固體潤滑劑的性能要求；聚四氟乙烯樹脂熱分解溫度超過400 ，但在ptfe中加入無機填料會使復合材料吸水率提高，熔融溫度及分解溫度降低，且伴有氧化分解反應；碳纖維表面含有c = o及c - o - c等極性基團，有利於提高其與其它組分的相容性，提高層間剪切強度；均勻設計試驗方法能夠用較少的試驗次數找出配方與摩擦性能間的關系，擬合曲線基本能表示各配方的摩擦系數發展趨勢；配方中不加銅粉或不加石墨，其摩擦系數均較高，說明銅粉和石墨應該配合使用；當銅粉15份、石墨60份時，銅粉30份、石墨30 - 40份時，銅粉60 、石墨15 - 30份時，摩擦系數均具有較低值；純聚四氟乙烯樹脂在空氣冷卻時結晶度最大，磨損量也是三者中最大的；同時，固體潤滑劑試樣在空氣冷卻時的磨損量也是三者中最大的：不論是固體潤滑劑與45 #鋼軸配副或是固體潤滑劑鑲嵌入銅套后與gcr15鋼軸配副，在金屬表面均可形成潤滑轉移膜，從而減少金屬摩擦副表面間的直接接觸，大大延長其使用壽命;轉移膜中主要含有較多的石墨、少量聚四氟乙烯、 moo 。And the kinetic parameters of mn ( iii ) / mn ( ii ) redox process were calculated to be ks = 1. 771 10 - 4cm ? s - 1, io = 4. 801ma ? cm - 2 and = 0. 234. the value of ks is sufficient to warrant further study to improve the reaction rate and to assess the feasibility of this couple as positive half - cell in a redox - cell system
Mn （ ） / mn （ ）體系在鉑盤電極上的標準速率常數ks的值說明可進一步研究來提高其反應速率，從而將mn （ ） / mn （ ）電對作氧化還原液流電池的正極材料。The nucleotide ( nt ) sequence of the insert in phz1754 is 2299bps in size. computer assisted analysis of the sequence revealed an open reading frame ( orf ) with a g + c content of 70. 3 % that would encode a protein of 552 amino acids ( aa ). the nt seque nce comparision revealed that the orf in the sequenced region exhibits 85 % dna sequence homology with the cholesterol oxidase gene choa of streptomyces sp
對phz1754進行外切核酸酶（ exonuclease ， exo ）順序缺失，獲得單向長度漸減重疊的系列突變體，核苷酸序列測定顯示出該ecor - sal片段的精確大小為2299bps ， frameplot程序分析揭示出該區域一個完整的開放閱讀框（ orf ）的存在，其大小為1656bps ， g + c含量為70 . 3 ，編碼552個氨基酸，利用blastsearch程序將orf的核苷酸序列及推導的氨基酸序列與因特網上基因及蛋白質數據庫進行綜合比較，發現無論在核苷酸水平還是在蛋白水平上，該orf均與膽固醇氧化酶表現出同源性，而且與鏈黴菌膽固醇氧化酶同源性最高，說明該orf編碼膽固醇氧化酶基因。A quantitative appraisal of the prospect of uranium mineralization is completed based on a set of hydrochemical data acquired from the known in - situ leachable sandstone - type uranium, including radon content, acid - alkali ratio, oxidized and reduced electronic potential, hydrocarbonate radical and uranium content in water
但是在找鈾過程中僅用水化學成份、氡含量、酸堿度和氧化還原電位等數值進行描述，說明它們與鈾礦化的關系，這種單一因素的描述不能綜合反映與鈾礦化的聯系程度，以定量評價鈾礦化與上述因素的關系，從而影響了水化學找礦的效果。Abstract : combined with fundamental characteristics of in - situ leaching mining, this paper presents primary factors influencing the reation rates, such as lixivant concentration, oxidizer, porosity, permeability, seepage volocity, structure of ore, minerals of competition, etc. the factors which influence the reaction rates of in - situ leaching have been discussed
文摘:結合原地浸出工藝的特點，總結提出了影響原地浸出反應速率的主要因素，並就溶浸劑濃度、氧化劑、孔隙度、滲透系數、滲透速度，礦石的結構、構造及礦物的嵌布特徵，競爭礦物等對原地浸出反應的影響進行了分析與討論。Products : rectifers, high silicon cast iron anodes, mmo anodes ( rod, tubularribbon ), titanium conductor bar, sacrificial anodes ( aluminum, magnesiumzinc ）, magnesiumzinc ribbon anodes, zinc grounding cell, reference electrodes, test postjunction boxes, thermite ( corrtech exothermic weld metal ) mold, cathodic protection system utilizing solar energy, cp data remote monitoring system, and other accessories
我們的產品：恆電位儀、高硅鑄鐵陽極、鈦基混合金屬氧化物陽極（帶狀、棒狀、管狀） 、鈦導電片、鋅合金陽極、鎂合金陽極、鋁合金陽極、鋅帶鎂帶、長效硫酸銅參比電極、高純鋅參比電極、鋅接地電池、陰極保護測試樁、鋁熱焊模具和焊劑、太陽能陰極保護系統、陰極保護參數遠程監測控制系統等全系列陰極保護系統配套產品。To achieve accurate detection of surface potential, the measurement of the contact potential difference of the zno / si step was also carried out. polarization - related surface properties of ferroelectric thin films were investigated by kelvin probe force microscopy ( kpfm ), leading to the discovery of asymmetric charge writing on the surface of pb ( zr _ ( 0. 55 ) ti _ ( 0. 45 ) ) o _ 3 ( pzt ) thin film
為了優化儀器的檢測靈敏度和穩定性，選用氧化鋅薄膜上的zno / si臺階作為測試對象，檢測了zno / si的接觸電勢差;通過改變儀器系統參數，發現針尖-樣品距離和掃描速度對接觸電勢差的檢測結果影響顯著。An introduction is made on calculating the explosion limitation of the purely organic burning gas and the mixture made of many organic burning gases by using oxygen coefficient, also it systematizes the old formulas in common use, and simplifies the calculation, at the same time, it offers the speed calculation for the explosion limitation of complicated organic burning gas, whose result is fit for the practice
摘要提出一種利用氧氣系數計算純凈有機可燃氣體和由多種有機可燃氣體組成的混合氣體爆炸極限的計算方法，對目前常用的經驗公式進行了整合與修正，簡化了對混合氣體爆炸極限的計算，也提供了對復雜組成的混合有機可燃氣體爆炸極限的快速估算，估算結果與實測值能較好吻合。分享友人