硫化過度 的英文怎麼說
中文拼音 [liúhuàguòdù]
硫化過度
英文
overvulcanization-
The experimental results showed that in the condition of this experiment four algaecides all had strong removing rate on algae, and their removing rate increased with dose increasing, and decreased with algae density increasing. according to the removing rate on algae and cost value or so, the sequence of four algaecides from good to bad were potassium permanganate, copper sulfate, hydrogen peroxide and sodium hypochlorite. in the condition of this experiment, the suitable dose of potassium permanganate was 0. 8mg / l, the algal removing rate was beyond 90 % and the cost of this algaecide was only 0. 0068 / m3. the efficiency of algae removal by four algaecides for huanghe river water was studied. the results showed that the majority of huanghe river water was bacillaroiphyta, and the dominant genera was melosira, which reached 78 % ~ 94 %
結果表明,在實驗條件下,四種殺藻劑均具有一定的殺藻效果,藻類去除率均隨藥劑投量的增加而提高;原水藻類數量影響殺藻劑殺藻效果,四種殺藻劑的藻類去除率均隨原水藻類數量的增加而降低;通過殺藻效果、經濟性以及安全性等方面的綜合比較,對于以有毒藍藻為優勢藻屬的引灤水,四種殺藻劑的優劣程度從優到劣排序為:高錳酸鉀硫酸銅過氧化氫次氯酸鈉;在實驗條件下,高錳酸鉀適宜投加量為0 . 8mg l ,藻類去除率高於90 ,所需的藥劑費用僅為0 . 0068元m ~ 3 。It is further indicated by the fusion of various geo - factors that the major targets include gold - bearing limonitic cataclastic rock in ningwei domain, auriferous quartz in nanhua mountain and xihua mountain domain, where the 50 - 85 strike mylonite and sulfur - bearing quartz - calcite veins of cataclastic rock is the prior ore - search targets
同時,通過多源地學因素的融合還顯示,寧衛地區找金的主攻對象以含金褐鐵礦化碎裂巖為主,南華山、西華山地區以脈型金礦為主,且重點應在50 - 85度方向糜棱巖、碎裂巖帶中尋找含硫化物的石英-方解石脈。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 5Methods for chemical analysis of spodumenite and lepidolite concentrates - the persulfate oxidation photometric method for the determination of manganous oxide content
鋰輝石,鋰雲母精礦化學分析方法過硫酸鹽氧化光度法測定-氧化錳量The persulfate oxidation photometric mothod for the determination of manganous oxide content
過硫酸鹽氧化光度法測定一氧化錳量This paper mainly studies the application of distributed control system ( dcs ) in rubber sulphuration, and design out a set of small - scale dcs that can collect the temperature in the steam pipeline in real time, calculate equivalent time of sulphuration with different temperatures and communicate with low - computer through rs - 485 network to control numbers of sulphuration machines to work
本文主要對集散控制系統( dcs )在橡膠硫化領域的應用進行了研究,設計出一套小型集散控制系統。該系統能實時採集硫化蒸汽管道內的溫度,計算出不同溫度下等效硫化時間,並通過rs - 485網路與下位機通信達到控制多臺硫化機工作的目的。1. 5 m in diameter ) were dispersed in n46 engine oil with different concentrations using ultrasonic respectively in order to study their tribological properties. the tribological experiments were carried out by mq - 800 four - ball tribometer and mm - 200 ring - on - block tribometer, in which extreme pressure properties, wear scan diameter, friction coefficient and wear volume loss were measured. the results showed that oil containing mos2 nanoparticles had a better wear resistance, friction - reducing and extreme pressure than the oil containing common mos2
將上述制備得到的納米二硫化鉬顆粒和普通二硫化鉬粉末( 1 . 5 m )以不同濃度分散在n46機械油中,在mq - 800四球摩擦磨損試驗機上考察它們的最大無卡咬負荷( p _ b值) 、耐磨性能和摩擦系數;並在mm - 200摩擦磨損試驗機上,通過環?塊摩擦副,比較和分析了它們的摩擦學特性。The experimental results further demonstrate that the combination of incompatibility polydimethylsiloxane and polyacrylate by co - vulcanization improves the both compatibility and broadens the low temperature and high temperature functional region. while in sin, to improve microphase structures and damping properties, the design to increase compatibility between two compositions and modulate crosslinking density as well as relative reaction rate of two compositions, is also effective
以上實驗結果表明,在復合橡膠阻尼材料中將聚硅氧烷與聚丙烯酸酯通過共混硫化相結合,改進了二者的相容性,拓寬了其阻尼功能區的低溫和高溫溫域;而在sin中通過改善組四川大學博士學位論文分間相容性,調節交聯密度控制其微相結構和兩種組分相對反應速度的快慢,進而控制材料阻尼性能的設計是行之有效的。Substance of rock - forming and ore - forming in both jianchaling and jinchuan nickel deposit mainly derived from the upper mantle, but the former source is relatively depleted mantle. on the other hand, there exsisted the crustal contamination during the formation of the two mineral deposits, the later contaminated poorly and gave priority to deep contamination. ( 5 ) by the comparative study of jianchaling with jinchuan nickel sulflde deposit, it is pointed that small basic - ultralbasic complexes which dis
( 5 )通過對煎茶嶺和金川鎳礦床的比較研究,結合對國內外有關巖漿鎳礦床的比較分析,根據我國的地質特點,提出沿較老地塊邊緣分佈的特別是沿華北地塊北緣分佈的基性?超基性小雜巖體,是找尋大而富的硫化鎳礦床之有利找礦方向;而對較老地塊內部的鎂鐵質侵入體,亦應給予高度注意。According to the features of naphthenic base oil ( i. e., high nitrogen and low sulfur content ) and based upon theoretical analysis of the h2s concentration needed for phase equilibrium of nickel sulfide and tungsten sulfide in hydrogen, the most economic quantity of sulfiding agent injected into the reactor for supplement of sulfur in lube oil hydrogenation catalysts was obtained
摘要針對環烷基油高氮、低硫的特點,通過對硫化鎢和硫化鎳在氫氣中相平衡態所需硫化氫濃度的理論分析,對反應器入口所需補硫量作了詳細的闡述,得出了最經濟的補充注硫量。To make cds / k4nb6o17 powder on the base of the k4nb6o17 powder which by the courses of ion exchanging, amine intercalation, sulfuration etc. to obtain cds / k4nb6o17 thin film through the same course of making cds / k4nb6o17 powder on the base of k4nb3o17 thin film on the quartz which made by the spin coating and after heat treatment. to make experiments with additives ( na2so3, 0. 1mol / l ) of photocatalytically decomposing water into h2 and o2 to evaluate the photocatalytic activities of the catalyst knb6o17 powder, cds / k4nb6o17 powder, k4nb6o17 film, cds / k4nb6o17 film. the crystalline structures of the midst powder and film productions were investigated by using the x - ray diffraction ( xrd )
本課題的主要內容是:高溫固相反應合成具有層狀結構的k _ 4nb _ 6o _ ( 17 )晶體材料,然後以此為母體材料,通過離子交換、層間胺插入、硫化處理等過程制備出cds / h _ 4nb _ 6o _ ( 17 )粉末形式的光催化材料;通過旋轉塗覆法在石英玻璃基片上制備了k _ 4nb _ 6o _ ( 17 )薄膜,採用一定的熱處理制度后對薄膜分別進行離子交換、層間胺插入、硫化處理等處理過程制備了cds / h _ 4nb _ 6o _ ( 17 )薄膜形式的光催化材料。The temperature difference should not be more than 2 degrees, and the difference in ph levels should not exceed 0. 5. the salinity difference should not be more than 2ppt
排泄物過量積聚會過度消耗溶氧產生亞硝酸物硫化氫及改變池底生態,致使蝦生長緩慢及存活率低。Expatiation is on made the mechanism of rubber foaming process, and the effect of types of foaming agent, dosage of foaming agent temperature of sulfuration on rubber foaming process
摘要通過試驗,探討了橡膠的發泡機理及發泡劑種類、發泡劑用量、硫化溫度對橡膠發泡的影響。Fexsy particles were adhered to the surface of tio2 by dipping tio2 film into fexsy sol solution. as temperature is beyond 300, fes2 ( pyrite ) particles is created in the solution. theoretical analysis shows that pyrite comes from fes that has been created from fe2 + and s2 -
對溶劑熱法制備的fe的硫化物顆粒與fes _ 2敏化tio _ 2電極樣品的研究表明:當反應溫度超過300后,產物中會存在fes _ 2 ,對反應機理探討說明,這些fes _ 2是fes在h _ 2s的氧化還原作用下生成的。Through orthogonal experiment design, the preparation technology of reactive extrusion dynamic vulcanization for low hardness epdm / pp blend thermoplastic dynamic vulcanizates was studied, and the effects on micromorphology of extruded vulcanizates of such main technological factors as barrel temperature, feed screw driven voltage and host machine screw rotation rate were discussed
摘要通過正交試驗設計,研究了低硬度epdm / pp共混型熱塑性動態硫化膠的反應擠出動態硫化制備工藝,初步探討了機筒溫度、喂料螺桿驅動電壓及主機螺桿轉速等主要工藝因素對擠出物微觀相態結構的影響。Extraction of catalytic cracking diesel by complex solvents
亞鐵離子及甲酸催化過氧化氫氧化柴油深度脫硫研究Reaction of limestone calcination and sulfuration under o _ ( 2 ) / co _ ( 2 ) atmosphere were experimented on a bench scale fluidized bed facility and analyzed by thermodynamic analysis. limestone samples were analyzed by press mercury apparatus and scanning electron microscope. mechanism for limestone calcination and sulfuration under o _ ( 2 ) / co _ ( 2 ) atmosphere was raised and discussed
熱力學角度和小型流化床試驗臺上研究了空氣和o _ 2 / co _ 2氣氛下的石灰石煅燒分解與硫化反應特性,並對煅燒過程和硫化反應過程中的石灰石樣品結合壓汞儀和掃描電鏡進行了微觀分析,得出了o _ 2 / co _ 2氣氛下石灰石煅燒與硫化反應特浙江大學博士學位論文點,探討了02 / co :氣氛下石灰石的硫化反應機理。Pt desulfurizer is a new and effective product with high surface area. sulfur capacity, crushing strength and free volume and low pressure drop. which is widely used in the fine desulfurization of purification process of oil and gas material in synthetic ammonia, methanol and hydrogen making industries
Pt氧化鋅脫硫劑是一種新型高效脫硫劑,具有比表面積大,穿透硫容高,機械強度高,堆積空隙大,床層壓降小的特性,廣泛應用於合成氨、甲醇和制氫等工業原料氣、油的濃度脫硫凈化過程。The results showed that passivation of the presulfided hydrogenation catalysts was necessary ; temperature, concentration of o2, reaction time and expansion rate are important influential factors on the passivation effects
結果表明,預硫化后催化劑需要經過鈍化處理;反應溫度、 o2濃度、反應時間及膨脹率是影響鈍化效果的主要因素。The research purpose is to understand its sulfide tolerating mechanism from physiological, biochemical and molecular biological areas. a series of experiments show that u. unicinctus can respond to the sulfide of its living environment. when it is exposed to sulfide, its oxygen consumption changes ( 0. 05 ~ 0. 07mgo2h - 1g - 1 ) corresponding to various sulfide concentrations
經過一系列的實驗,我們認為單環刺?能對生活環境中的硫化物做出相應的應激反應;其單位耗氧量隨硫化物濃度的不同而在0 . 05 0 . 07mgo _ 2h ~ ( - 1 ) g ~ ( - 1 ) (濕重)間變化。分享友人