錳化合物 的英文怎麼說
中文拼音 [měnghuàgěwù]
錳化合物
英文
composti del manganese-
The discovery of the colossal magnetoresistance ( cmr ) in hole - doped perovskite manganites ra1 - xmxmno3 ( ra is a trivalent rare - earth ion and m is a metal ion ) has attracted much attention since 1989 due to not only its technological applications in magnetic recording and sensor, but also the effect of the strong correlation concerning metal - insulator transition in the field of basic research. since then, several physics models have been suggested to explain the mechanism of cmr. however, the exact mechanism of cmr remains to be done
自1989年在摻雜鈣鈦礦型錳氧化物ra _ ( 1 - x ) m _ xmno _ 3 (其中m為金屬離子, ra為三價稀土離子)中發現龐磁電阻( cmr )以來由於其在磁記錄、磁傳感器等方面潛在的應用前景,以及金屬?絕緣體相變等所涉及的強關聯效應,使該類化合物吸引了物理學界的廣泛注意。The effort of manganese removal was studied and the kinetics of manganese removal was tried to establish. the factors of dissolved oxygen concentration, fe2 + concentration, ph, p concentration and closing of the filter were studied to evaluate their effort for biological manganese removal, and the correlation of residual manganese and oxidation - reduction potential was also discussed. as the iron content of water was high, experiment results showed that the reaction was zero order, as the iron content of water was low, the reaction was first order. the time needed for the cultivation of biological manganese removal was 60 70 days. the filter operated at the filtration rate of 8 10m / h, silica sand of effective size 0. 95 1. 25mm filled the filter to a depth of 1200mm
試驗結果表明,成熟后濾砂表面濾膜的x射線衍射圖譜與mno _ x ? 5h _ 2o ( x = 1 . 86 )的x射線衍射圖譜一樣,濾膜成熟后的結構在進水物質不發生變化的情況下不發生變化;合適的碳磷比對生物除錳有明顯的促進作用,試驗條件下的投磷量不會對出水造成二次污染;生物除錳需要亞鐵的參與,亞鐵的存在除了能夠促進微生物分泌胞外酶並刺激其活性外,還通過鐵離子的變價傳遞電子,催化錳離子的氧化反應,從而促進對二價錳的降解。In this sense, ida plays dual effects, tridentate chelating to cu ( 2 ) and bridge between two cu ( 1 ) andcu ( 2 ). 3 metal complexes were selected as the appropriate for the study of cleavage plasmid pbr322dna by gel electrophoresis technique. the results showed ni and mn complexes could cleave effect - ively dna in the presence of h2o2 at physiological ph and temperature, whereas individual zn complex could cleave effectively dna
通過電泳實驗研究了一系列金屬配合物與pbr322dna的作用,發現在tris - hcl緩沖溶液中,生理條件下,鎳、錳配合物在共反應物h _ 2o _ 2存在下能夠很好的斷裂dna ,而zn配合物單獨作用就能夠使dna由ccc型轉化為oc和linear型。In order to improve its cycle performance and reduce capacity loss, we have synthesized series of lithium nickel manganese vanadate by using the moist chemical method in the reaction conditions of different temperature and calcination time. the structure characterization and element analysis tests are preformed by means of xrd, ir, raman and xps
為了改善其循環性能以及減少充放電過程中的容量損失,我們對其中的ni2 +進行部分替代,採用濕化學方法合成出了錳對鎳不同取代量的產物linil _ 、 mn萬04 ,並結合xrd 、 xps 、 ir和r田刀an圖譜對其固溶度及摻入其中的錳的價態進行研究。Other bound metals related to iron - manganese oxides and silicate indicate no change above the loess covered deposits
鐵錳氧化物態硅酸鹽結合態金屬元素在厚黃土覆蓋區對礦帶無指示意義。Spinel lithium manganese oxide as the precursor of lithium ionic sieve is presented with respect to its structure and synthesis method, and the solid - state coordination reaction method and hydrothermal method are considered as promising ways of synthesis
摘要介紹了作為鋰離子篩前體的尖晶石型鋰錳氧化物的結構與合成方法,指出固相配位反應法和水熱合成法極具發展前景。Tremendous efforts are underway on the lithium manganese oxides which are considered to attractive alternatives in term of cost, abundance and nontoxicity for lithium ion battery. the spinel li4mn5o12 and cation - doped lithium manganese oxides were synthesized by sol - gel method which is considered as a promising method
本文以立方晶系尖晶石結構的富鋰鋰錳氧化物為主要研究對象,以檸檬酸為配合劑,用溶膠-凝膠法合成了純凈的單相尖晶石li _ 4mn _ 5o _ ( 12 )以及摻雜產物。In 2005, 61 physical and chemical parameters were measured and analysed in sediments. these included particle size, electrochemical potential as highly anoxic sediment with negative potential is related to organic pollution, chemical oxygen demand which indicates organic pollutants, total sulphide inorganic constituents, source of the unpleasant - smelling gas hydrogen sulphide, 15 metals and metalloids aluminium, arsenic, barium, boron, cadmium, chromium, copper, iron, lead, manganese, mercury, nickel, silver, vanadium and zinc, and trace toxic organics pahs and pcbs - 16 compounds and 18 congeners respectively
2005年,沉積物監測包括分析61種物理及化學參數,其中有粒子大小電化學勢有機污染促使沉積物缺氧,而讓電化學勢呈負數值化學需氧量顯示有機污染程度總硫化物無機物,是造成難聞氣體硫化氫的主因15種金屬及準金屬鋁砷鋇硼鎘鉻銅鐵鉛錳汞鎳銀釩及鋅和痕量毒性有機物多環芳烴及多氯聯苯分別為16種復合物及18種同質物。A mixture of black manganese oxide minerals
硬錳礦一種黑色氧化錳礦的混合物Limnoa has been synthesized from self - synthesized material y - mn203 by wet moist chemical method under different sinter conditions in argon. the material was analyzed by xrd, sem. it is shown by xrd that material is limno2 single phase in 450 keeping 5h, then in 600 ? sintering 6h in argon
通過xrd物相分析發現:以自制原料y一mnzo3為錳源,在a :氣保護下,採用濕化學法,在450下,預燒結5h研磨后再於600下燒結6h ,可以合成出單相limnoz 。Nano - mno2 whiskers were sucessfully synthesized by low heating solid redox reaction using potassium permanganate and manganese chloride, and offered one usful referenced method for synthesize whiskers
首次利用高錳酸鉀和氯化錳之間的低熱固相氧化還原反應成功地合成出了納米二氧化錳晶須,為合成同類物質提供了一種行之有效的參考方法。Apart from geochemists from western countries, which paid a particular attention on amorphous iron - manganese oxides extracted by enzyme or 0. 1 ~ 0. 25m nh2oh ? hc1, our results show that the extraction of metals adsorbed by clay and bound to the carbonate in soil is most useful to identify the concealed mineralizations in the semiarid and loess covered terrains, northern china
但與國外重點關注非晶質鐵錳氧化物如酶、鹽酸羥氨提取結果不同,在我國北方半乾旱黃土覆蓋景觀區,粘土吸附和碳酸鹽結合態金屬元素的提取為最有效的提取步驟。而游離態、有機結合態的提取效果則受景觀控制變化較大。The company adopts advanced disappearing model to produce metal - alloy steel, high manganese steel, stainless steel, anti - acid and anti - hot steel, common structure steel, metal net for metallurgy, power, mineralmaintains, petroleum, chemicalengineering, mechanical engineering etc
我公司採用先進消失模生產工藝,專業生產冶金、電力、礦山、石油、化工、築路、工程機械等物料機配(合金鋼、錳鋼、耐熱鋼、耐酸鋼、不銹鋼、高抗磨合金、普通結構鋼、金屬篩網等)鑄件生產銷售。The authour investigate the dosing conditions and effect of the pac to the huanghe water - source, which includes the following four parts : the selection of the pac ; the confirmation of dosing scheme and effect of the pac ; the research of application of potassium permanganate in combination with pac ; the research of the pac ' s modification and the modified effectiveness. the experiment is mainly carried out on the pilot system in the jieyuan water plan of tianjin. the results of the reseach include the following : l ) the pac from zunhua plant is selected as the better carbon for the source water of tianjin through the experiment ; 2 ) through the pilot experiment we conclude that the pac ' s best adding point is the mixing tank and the better dose is 10mg / l, on which the codmn of filtered water can be decreased to 40 % and the effluent have no problem of odour and color ; 3the adsorbing experiment show that pac mainly adsorb the organic matters which molecular wt., distribution between 500 and 3000, and can adsorb organic matters whose molecular wt., distribution are bigger than 6000 if the dose of it is adequent ; 4 ) pac together with potassium permanganate can remove the organic matter more effectively than each of them alone, and reduce the rising trend of turbidity of the flotation ' s effluent due to adding pac ; 5 ) the thesis made a research on the surface properties and the adsorbing capability of the modified carbon by oxidizer : the modified carbon with 20 % h2o2 can remove more organic pollutants than the untreated one by 12 % when we add a higher dose of coagulant ; 6 ) the modification of reduction and loading metal ions are also sttldied, and drow the following conclusions : the modified carbon with 5 % ammonia can enhance the organic matter ' s removal effectiveness by 10 % to the tianjin source water than the untreated one, and the modified one with loading metal ion remove the organic matters from the tianjin source water better ( 8 % ) than the untreated one due to the strong affinity betwween the humic acid and copper ion
本文的實驗主要是在天津芥園水廠的中試系統上完成的,論文的成果和結論主要包括: 1 )通過靜態實驗選定河北遵化活性炭廠生產的煤質炭為適合天津原水的炭種; 2 )中試實驗確定粉末活性炭的較佳投加點為混合池投加,較佳投加量為10mg l ,此時可使濾后水的cod _ ( mn )降低40 ,且可較好地控制濾后水的嗅味和色度; 3 )初步確定粉末活性炭對原水中有機物的吸附主要集中在分子量在500 - 3000范圍內,投量增大時可吸附部分分子量大於6000的有機物4 )中試實驗表明:粉末活性炭與高錳酸鉀聯用可取得較兩者單獨應用時對有機物更好的去除效果,且對因投加粉末活性炭而造成的氣浮出水濁度升高有一定的改善作用; 5 )研究並初步確定氧化改性對粉末活性炭表面性質和有機物的去除效果的影響:粉末活性炭的氧化改性會使其表面的酸性官能團大量增強,表面極性增加;經20的過氧化氫改性的活性炭在增大混凝劑投加量( fecl _ 3投量為15mg l )時對有機物的總體去除效果較原活性炭提高12 , 1次氯酸鈉改性活性炭對有機物的去除效果較原活性炭提高6 ; 6 )研究並初步確定還原改性、負載金屬離子對原水中有機物的去除效果的影響:經5氨水改性的活性炭可提高天津源水中有機物的去除率達到10 ;負載銅離子后的活性炭可提高對腐殖酸類物質的去除能力,一般可提高8左右。Compared with ordinary cyanide process, the gold leaching speed and recovery can be greatly increased and cyanide consumption greatly reduced by the cooperative use of potassium permanganate and hydrogen peroxide
與常規氰化法相比,過氧化氫與高錳酸鉀聯合使用時,金的浸出速度和浸出率顯著提高,氰化物耗量大大降低。Test research of synthesizing manganese and lithium oxides by detonation with emulsion explosive
乳化炸藥爆炸合成鋰錳氧化物的實驗研究Spinel lithium manganese complex is preferable because of low cost, good performance and environmental friendliness
尖晶石鋰錳化合物成本低、性能好、無污染,適合水溶液鋰離子電池的電極材料。Microstructures of organisms and minerals in mn oxide aggregates
氧化錳集合體的生物礦物微結構In this paper, the low - temperature synthesis method - sol - gel mehtod was used to improve the capacity fading of the cathode with cycling for lithium - ion secondary battery
本文針對鋰錳氧化物循環過程中容量衰減的問題,採用了低溫合成方法即溶膠凝膠法。The comparison of carbon nanotube and active carbon and graphite nanofibers used as electrode material is also presented. a composite electrode material comprising carbon nanotubes and ruthenium oxide is obtained and the capacitance of supercapacitor reaches 270f / g. the carbon nanotube and the natural manganese oxide compounded for the first time and the initial results were achieved
本文採用納米碳管作為超級電容器電極材料,得到比電容量為110f g的超級電容器結構單元,討論了粘結劑、電解液等多種影響因素,並與乙炔黑電極和魚骨狀碳纖維電極進行了對比;制備了納米碳管與氧化釕復合材料,得到比電容量為270f g的超級電容器結構單元;本文還首次將納米碳管與大洋錳礦復合用作超級電容器電極材料,取得了初步成果,為天然礦物的開發利用開辟了一個新的發展方向。分享友人