選擇氧化法 的英文怎麼說
中文拼音 [xuǎnzháiyǎnghuàfǎ]
選擇氧化法
英文
method of selective oxidation- 選 : Ⅰ動詞1. (挑選) select; choose; pick 2. (選舉) elect Ⅱ名詞(挑選出來編在一起的作品) selections; anthology
- 擇 : 擇動詞(挑選) select; pick; choose
- 氧 : 名詞[化學] (氣體元素) oxygen (o)
- 法 : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
- 選擇 : select; choose; opt; election; choice; culling; alternative
- 氧化 : [化學] oxidize; oxidate; oxide; burning; rust; oxygenize; oxido-; oxy-
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Some main results of testing research were as fellows : i. in the course of testing of leaching zinc dross, leaching zinc dross by sulfuric acid was researched and the effects on the leaching rate of the zinc dross were analyzed by author, the optimum conditions of leaching testing of zinc dross were determined as fellows : liquid - solid ratio 6 : 1, stirring ratio 250r / min, granularity 120 mesh, the soaking time 5h, the concentration of sulfuric acid of 30 %, and under these conditions, the rate of leaching zinc is above 92. 0 %. ii. in the course of testing of purification, on the basis of comprehending and comparing all present methods of the manganese - removal and iron - removal, the oxidizing method of manganese - removal in zinc sulfate solution using ammonium persulfate was put forward and the oxidizing method of iron - removal in zinc sulfate solution using the goethite process and oxidation - hydrolysis process was adopted
研究的主要結果具體如下: 1 、研究了硫酸浸出鋅浮渣並分析了影響浸出率的各種因素,確定了浸出鋅浮渣的最佳條件為:液固比為6 : 1 ,攪拌速度為250r min ,粒度為- 120目,酸浸時間為5 . 0h ,硫酸濃度30 ,鋅浮渣的浸出率大於92 . 0 ; 2 、在綜合和比較了目前除錳和除鐵的各種方法基礎上,提出了過硫酸銨氧化除錳方法和選擇了針鐵礦-氧化水解聯合法除鐵方法,並分析和討論了影響除錳率和除鐵率等各種因素,確定了除錳的條件為:溫度90 , ph值5 . 4 ,反應時間3h ,過硫酸銨達到理論值的1 . 2倍,除錳率超過99 . 86 ;聯合法除鐵的條件為:氧化反應時間1 . 5小時、溫度控制在90 92 、 ph值5 . 2 5Carbon 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。A polyaniline / polyisoprene composite film with permselectivity was synthesized by electrochemical method for the first time, which can determine selectively h2o2 in the presence of electroactive interferent ascorbic acid
採用電化學方法首次制備了具有特殊滲透選擇性的聚苯胺/聚異戊二烯復合膜,它能在抗壞血酸存在下讓過氧化氫選擇透過。This approach has shown particular promise with the cobalt ( iii ) - salen - catalyzed hydrolytic kinetic resolution of chiral epoxides, a highly selective reaction of interest because of the versatility of epoxides as precursors to pharmaceutically important targets
因為多功能性的環氧化合物在醫藥上是重要目標分子的前體,這個方法在高選擇性反應- -鈷( iii ) -沙林試劑催化的手性環氧化合物的水解動力學拆分上特別引人注目。Theoretical analysis and experimental results show that the mentioned methods above can simplify the process condition, improve the etched effect, shorten the etching time and obtain more even etched surface. 2 ) laser - assisted wet sequencially - selective - etching method has been developed this method can be applied when the corrosion solution is mixed solvent
2 )提出了激光化學誘導液相次序選擇腐蝕法該方法適用於腐蝕液為混合溶劑的情況,例如, h2so4 - h2o2對gaas基片進行腐蝕時,先採用h2o2對基片進行氧化腐蝕處理,再利用h2so4進行激光化學腐蝕。The zircondri filin wtut rirconia wa prepared and the removing technology of the zirconia on the zirconium sdrices was obtalned. the methods of chemistry and magnetron sputtring plating were used in order to platc a palladium film, which is characteristic of self catalysis for hydrogen and the sole h - permselectivity on the clean rirconium sdrices prepared by the methods of electrochemitw and ( or ) high temperatur vacuum hydrgenization, which was firstly studied. the plating tedrilogy was obained and the surface modified zirconium membran was prepared
在利用電化學法和真空高溫除氧加氫法去除了鋯表面氧化膜的基礎上,分別採用化學法、磁控濺射法兩種鍍膜技術在其表面上鍍上了一層對氫具有自催化分解、唯一選擇滲透性的金屬鈀膜,首次獲得了鋯基材膜表面上鍍鈀的制備工藝,成功制備了鋯表面改性選擇滲氫膜。The first part comprises industrial pta oxidation process modeling, residual fluid catalytic cracking process modeling, complex distillation modeling and analysis, the application of pta oxidation process soft - sensor technology. in the second one, the infeasibility degree based genetic algorithm is proposed to handle constrained optimization problem in engineering cases and the neighborhood and archive based genetic algorithm and its variant are proposed to treat the multi - objective optimization problem. with that, the pta oxidation process is regarded as a benchmark for the application of the proposed multi - objective optimization genetic algorithm
論文內容分為兩部分,第一部分對包括三個典型的工業過程, pta氧化反應器、渣油催化裂化反應系統和復合式精餾塔進行分析、建模以及pta氧化過程的軟測量工程實施;第二部分分別提出了基於進化演算法解決工業過程中普遍存在的約束優化問題和多目標優化問題的過程優化演算法? ?基於不可行度選擇遺傳演算法和基於鄰域和存檔操作遺傳演算法,並利用該演算法對工業pta氧化過程操作進行多目標優化研究。Domestic industries often use the selective nitrogen catalytic reaction sncr and selective catalytic reaction to remove nitrogen oxides from flue gas
目前國內常用之煙道氣氮氧化物處理設備有選擇性無觸煤還原法Test study on passivation methods in chemical cleaning of boilers, including to use sodium nitrite, hydrogen peroxide, polyphosphate, hydrazine, acetone oxime, trisodium phosphate, and sodium carbonate, has been carried out, and combined with typical examples of application, recommendations for selecting these passivation methods and for using suitable passivation technology being put forwad
摘要對鍋爐化學清洗中亞硝酸鈉鈍化法、過氧化氫鈍化法、多聚磷酸鹽鈍化法、聯氨鈍化法、丙酮肟鈍化法、磷酸三鈉鈍化法和碳酸鈉鈍化法進行了試驗研究,並結合典型的應用實例,提出了選擇這些鈍化方法的建議和適合採用的鈍化工藝。Methods 156 subjects were randomized into two groups : treatment group in which 79 cases were treated by aerosol inhalation of " chuan ke zhi " plus routine therapy and control group in which 77 cases were treated by pulmicort respules plus routine therapy, with a course of one week
方法選擇急性喘息性支氣管炎及哮喘急性發作的患兒156例,隨機分為治療組( 79例,在常規抗感染止咳的基礎上使用喘可治加可必特氧氣驅動霧化吸入)和對照組( 77例,在常規治療的基礎上加用普米克令舒及可必特氧氣驅動霧化吸入) ,兩組其他治療相同,療程均為1周。By using batch static test, the effect of chemistry pre - oxidation on coagulation were researched. the raw water come from liujiang river. oxidants evaluated included potassium permanganate ( kmno4 ), hydrogen peroxide ( h 2 o 2 ), ozone ( o 3 ), chlorine dioxide ( clo 2 ), and chlorine ( cl2 )
通過靜態批量試驗方法,以柳江原水為研究對象,選擇高錳酸鉀、過氧化氫、臭氧、二氧化氯和氯五種氧化劑,全面考察了化學預氧化對混凝效果的影響。But concern over climate change, hassles at overcrowded airports, delayed flights and congested roads have conspired with better high - speed rail technology to make the train an increasingly attractive alternative, and an especially green one : a full high - speed electric train emits between a tenth and a quarter of the carbon dioxide of a plane, according to the bosses of eurostar
但是,伴隨者更好的高速鐵路技術,有關氣候變化的擔憂,過于擁擠的機場的煩擾,晚點的航班以及擁塞的道路一起都促使列車變成了愈來愈吸引人的選擇,並且是特別綠色環保的一種選擇:根據歐洲之星老總們的說法,一個高速電氣化列車排放的二氧化碳只有一個飛機的1 / 10到1 / 4左右。The lowest threshold current 1. 8ma is achieved with continuous - wave at room temperature, the maximum output power is 7. 96mw. for the resesrch work on the fabrication procedures, we discusses selective oxidation and selective wet etching
利用濕法氧化和選擇性腐蝕相結合工藝研製出室溫連續工作的vcsel ,最低閾值電流為1 . 8ma ,輸出功率為7 . 96mw 。Abstract : a formula of sintering furnace charge is of key importance to the technological process of sintering in producing alumina by the methods of mixture combination. the choice of an accurate formula is necessary for gaining a high - quality sinter mixture and a better techni - cal and economic target
文摘:燒結爐料配方,對混聯法生產氧化鋁燒結工藝過程有著十分重要作用,選擇正確的配方,對獲取高質量燒結熟料和較好的技術經濟指標具有十分重要意義。Abstract : aim to synthesize a new prodrug, resveratrol trinicotinate. methods in presence of lithium and a catalytic amount of naphthalene, the reaction of p - methoxybenzyl trimethylsilyl ether and 3, 5 - dimethoxylbenzaldehyde gave resveratrol after a series of translation. resveratrol trinicotinate was obtained by the reaction of resveratrol and nicotinoyl chloride hydrochloride. results a mutual prodrug resveratrol trinicotinate was designed and synthesized. conclusion a novel method for synthesis of resveratrol and resveratrol trinicotinate has been afforded. the e - isomer is selectivily obtained by dehydration of the compound 2 with khso4
文摘:目的合成一種前藥白藜蘆醇煙酸酯.方法在金屬鋰片和催化量的萘的存在下, 3 , 5 -二甲氧基苯甲醛與對甲氧基苯甲醇的三甲基硅醚反應經過一系列轉變得到白藜蘆醇,白藜蘆醇與煙酰氯反應得到白藜蘆醇煙酸酯.結果設計併合成了白藜蘆醇煙酸酯.結論提供了一種合成白藜蘆醇及白藜蘆醇煙酸酯的方法,採用khso4脫水可選擇性的得到反式產物Methods 3, 3 - bis ( dibenzyloxyphosphoiyl ) propionic acid ( 5 ) and ( 6 ) were synthesized from tetraethyl methylene bisphosphonate via hydrolysis, chlorination of the acid, esterification, condensation, then 3, 3 - bis ( dibenzyloxyphosphoryl ) propanol ( 6 ) was obtained via selective reduction of ( 5 )
方法以亞甲基偕二膦酸四乙酯( 1 ) ?原料經水解、氯膦酰化、酯化、縮合得3 , 3二(二芐氧膦酰基)丙酸( 5 ) ,隨后選擇性硼氫化還原得3 , 3二(二芐氧膦酰基)丙醇( 6 ) 。Firstly we maked sure method of isolating arabidopsisis mutant by thermal imagings in many ways on trial, optimize conditions for isolation, and confirm the good period of seedlings and fine density for isolation, select correct isolating pressure ( drought and h2o2 ) that is fit for isolate mutant. secondly we obtain an ml population derived from 0. 4 % ethyl methanesulfonate ( ems ) - mutagenized wild type arabidopsis thaliana
本實驗首先是對利用遠紅外成像技術篩選擬南芥突變體方法的可行性進行多方面的試驗,優化篩選條件、確定篩選所需幼苗的生長時間、種植密度,界定用於篩選所需的脅迫(過氧化氫和乾旱)選擇壓力。Uranium dioxide powder and pellets - determination of fluorine - pyrohydrolysis ion - selective electrode method
二氧化鈾粉末和芯塊中氟的測定高溫水解-離子選擇性電極法Determination of chlorine in uranium dioxide powders and pellets by pyrohydrolysis ion - selective electrode method
二氧化鈾粉末和芯塊中氯的測定高溫水解離子選擇性電極法Lithium carbonate - determination of fluoride content - ion selective electrode method
碳酸鋰單水氫氧化鋰氯化鋰化學分析方法離子選擇電極法測定氟量分享友人