類錳 的英文怎麼說

中文拼音 [lèiměng]
類錳 英文
dvimanganese
  • : Ⅰ名1 (許多相似或相同的事物的綜合; 種類) class; category; kind; type 2 (姓氏) a surname Ⅱ動詞...
  • : 名詞[化學] manganese (25號元素, 符號 mn)
  1. 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,藻去除率均隨藥劑投量的增加而提高;原水藻數量影響殺藻劑殺藻效果,四種殺藻劑的藻去除率均隨原水藻數量的增加而降低;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:高酸鉀硫酸銅過氧化氫次氯酸鈉;在實驗條件下,高酸鉀適宜投加量為0 . 8mg l ,藻去除率高於90 ,所需的藥劑費用僅為0 . 0068元m ~ 3 。
  2. Fittings dept. : the spectacle fittings has novel style and complete breed whose main material are brass, cupronickel, phosphor copper, nickel, mangansese alloy, aluminium magnesium alloy, stainless steel, memory metal and other kind of hardware goods fittings and so on

    配件部:眼鏡配件款式新穎品種齊全,主要材質有:黃銅、白銅、磷銅、鎳、合金、鋁鎂合金、不銹鋼、記憶金屬及其它各五金製品配件等。
  3. Compared with lehua manganese deposit in pingxiang - leping faulted basin, which is a sedimentary hydrothermal superimposed type, both orebodies are different obviously in orebody scale, ore type and tenor of manganese etc., it should be a deposit with different genetic type

    並與萍一樂斷陷盆地內的沉積加熱液疊改型樂華礦床進行了對比分析,二者在礦體規模、礦石型、品位等方面存在顯著差別,應屬不同成因型的礦床。
  4. This paper reviews the formation and feature of iron and manganese plaque, alleviation of metal ( loid ) toxicity via adsorption and accumulation, eutrophication purification, plant acid proof and barren resistance

    文章綜述了植物根表鐵氧化物的形成與特徵,對有害金屬和金屬污染物、有機污染物的吸附和富集作用,對富營養化水體的凈化作用,以及提高植物的耐酸和耐貧瘠能力。
  5. 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,使該化合物吸引了物理學界的廣泛注意。
  6. Chemicals used for treatment of water intended for human consumption - potassium permanganate

    生活用水處理用化學製品.高酸鉀
  7. The coupled equation method ( cem ) has been improved to calculate 4s subshell of mnl by adding 3d ~ ( 5 ) ( ( 4 ) ~ x ) 4s ( ( 5 ) ~ x ) channels, which were verified to play a key role to the magnitude of resonance structure due to the interaction between 4s kp transition and 3p 3d excitation. our calculation shows higher symmetry and a solo peak near 51. 7ev, which is in better agreement with experimental data than garvin ' s calculation. except 3p 3d giant resonance, there are obvious 3p nd ( n > 4 ) rydberg resonances with width in the total cross section of mnl

    在研究原子4s殼層的共振結構時,我們首次在耦合方程方法中加入了3d ~ 5 ( ~ 4x ) 4s ( ~ 5x )通道與大共振之間的相互作用,發現這通道對於4s殼層的共振結構具有較大的貢獻,從而改善了在耦合方程方法中只考慮基態3d ~ 5 ( ~ 6s ) 4s ( ~ ( 7 , 5 ) s )的缺陷,為精確計算其他過渡金屬原子外殼層的共振結構做了很好的鋪墊。
  8. The algae removing rate of four algaecides increased with dose increasing, and the sequence of four algaecides " removing rate on algae from high to low were potassium permanganate, sodium hypochlorite or copper sulfate and hydrogen peroxide. the suitable contact time of four algaecides was also given. the paper compared with the rate of algae removal by any one of three algaecides for two source water

    結果表明,實驗期間,引黃水中藻絕大多數為硅藻,優勢藻屬為硅藻門的直鏈藻屬,占藻總數的78 94 ;四種殺藻劑的藻去除率隨殺藻劑投加量的增加而提高,實驗條件下,四種殺藻劑的藻去除率由大到小依次為:高酸鉀次氯酸鈉或硫酸銅過氧化氫。
  9. Erlongshan reservoir water quality was evaluated for class and class by monitoring continuously indexes and was unable to meet the requirement of central drinking water source due to higher cod ( subscript mn ), tn and tp and eutrophic environment

    摘要連續監測和分析了二龍山水庫的水質,對水污染程度進行了評價,水庫高酸鹽指數、總氮和總磷超標嚴重,呈現富營養化狀態,總體水質為,已無法滿足集中式生活飲用水水源地的水質要求。
  10. Gas chromatography - mass spectrometry ( gc - ms ) analyses showed that both potassium permanganate and chlorine could oxidate the organic matters with unsaturated functional groups into those with carboxyl, hydroxyl and aldehyde. and it was further revealed that after preoxidation by potassium permanganate, the sorts of organic matters were reduced remarkably, however, chlorination leaded to increase of the sorts of orgnic matters and brought some chloro - organics such as chlorobenzene, chlorophenol, and trichloro - ethane

    通過色譜-質譜聯用( gc - ms )評價分析了高酸鉀和氯對有機物結構的改變,高酸鉀和氯均將原水中的一些不飽和性有機物氧化分解為一些含氧基團的有機物,如羧酸、醇和醛等有機物,但預氯化會在水中出現一些鹵代物,鹵代產物不僅出現在苯環上,而且出現在鏈烴上。
  11. Adsorption of heavy metal ions on fe - mn nodules in several soils and types of mn oxide minerals

    幾種土壤中鐵結核的重金屬離子吸附與礦物
  12. 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

    首次利用高酸鉀和氯化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晶須,為合成同物質提供了一種行之有效的參考方法。
  13. The area of mn - deficiency soil is large in china. mn - deficiency in agricultural crops, especially in wheat plants, is secondly to fe - deficiency in calcareous soils of the world

    中國缺土壤面積很大,作物缺特別是麥作物缺在全球石灰性土壤上僅次於缺鐵。
  14. 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物質的去除能力,一般可提高8左右。
  15. Determination of copper, zinc, iron and manganese in dairy products by flame atomic absorption spectrometry

    火焰原子吸收光譜法測定奶食品中銅鋅鐵
  16. Experiments with several types of carboxylic acid have been done to inquire into their reactions with potassium permanganate solution so as to find out the changes affected by different density of reactor, temperature of reaction and structure of carboxylic acid

    摘要以幾種不同型的羧酸為例進行羧酸與高酸鉀溶液反應的實驗探究,分析了反應物的濃度、反應的溫度及羧酸結構對反應的影響。
  17. Through the analysis of geological characters in huanglianken manganese ore district, such as ore potentiality, ore controlling structures, ore depositing structures, orebody characteristics, ore type and so on, the author concluded that sinian stratum is the " primary source bed ", detachment structure is the migrating channel of ore - forming materials, favorable concentration and hosting place

    通過對黃連坑礦區地層的含礦性、控礦構造及容礦構造、礦體特徵、礦石型等地質特徵的論述,認為震旦系地層是「初始礦源層」 ,滑脫構造對成礦物質起遷移、富集及容礦作用。
  18. The main properties of new alcohol based spraying coatings for green sand mold are superior to the abilities of internal and outside coatings of the same kind, the surfaces of castings that are produced used new alcohol based spraying coatings are smooth without adhering sand and gas - hore

    粘土濕型砂鑄造新型醇基噴塗塗料的主要性能達到了國內外同產品領先水平;生產的高鋼、可鍛鑄鐵和灰口鑄鐵產品表面光潔,無粘砂、氣孔等缺陷。
  19. Ancient painted pottery namely chromatic crockery, the department uses hematite pink and oxidation manganese to make dye, use the tool of similar brush, in contented base apparently coloured drawing or pattern all sorts of design, the classics that enter pit 1050 of 900 after baked wheaten cake, on the impression with red orange, present a black, red, design that waits for color in vain

    彩陶即彩色陶器,系利用赤鐵礦粉和氧化作顏料,使用似毛筆的工具,在陶坯表面上彩繪各種圖案,入窯經900 1050火燒后,在橙紅的底色上,呈現出黑、紅、白等顏色的圖案。
  20. However, although prechlorination efficiently removed algae, its effect was directly related to the quantity of algae and was more obvious in the period of algae bloom. with regard to yellow river water in winter with low temperature and low turbidity, it was discovered that preozonation did not result in a substantial removal of total organic carbon ( toc ), but a remarkable uv254. it was further revealed that preozonation changed the characteristics and structure of organic matters and then enhanced removal efficiencie s of them by subsequent processes

    對于夏季高藻期水質,高酸鉀預氧化對有機物有一定的去除能力,並能提高后續工藝出水水質;預氯化能顯著去除藻,但后續工藝出水水質受藻數量影響明顯,預氯化只有在高藻期才能提高后續常規處理工藝出水水質;對于冬季低溫低濁水,預臭氧化雖不能降低水中有機物濃度,但能顯著提高后續常規處理單元出水水質。
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