金屬產出率 的英文怎麼說
中文拼音 [jīnzhǔchǎnchūlǜ]
金屬產出率
英文
metal fall-
But some problems are occurred, such as low bath temperature, difficulty in lime melting, slag overflow at vessel mouth, increase of metal consumption, difficulty in dephosphorization and low hitting rate at the final
在生產中出現熔池溫度低、廢鋼和石灰不易熔化、爐口溢渣、金屬消耗增加、脫磷困難、終點命中率低等問題。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。However primary industry, heavy industry and chemical industry, which have been highly protected from the nation, will be gravely affected. fourthly, using three standards - productivity, the relation of industries and elastic of demand - income, and combining current situation and restricted factors, the paper point out that the principal industries are processing of farm and sideline products, building materials products, metal products, paperboards and machine - made paper, chemical industry and tourism trade
運用生產率上升率、產業關聯度和需求收入彈性這三個衡量基準，結合河北省鄉鎮企業發展的現狀與限制因素，對河北省鄉鎮企業的支柱產業進行了測算、選擇，提出農副產品加工業，金屬製品業、建材工業、造紙及紙製品業、化學原料和化學製品業，旅遊業應作為河北省鄉鎮企業的支柱產業。In this work, layered lini1 - xalxo2 ( 0 < x 1 / 2 ) solid solution materials were successfully synthesized by current co - precipitation method in the air, and their preparation and properties were deeply and systematically explored. influences of different factors on the structure and properities of samples were studied, including li resources, different performs, li / m ( oh ) 2 molar ratio, calcining heat condition, the best synthesis technics were concluded : sintered for 16h at 700 from li source ( lithium nitrate ) : m ( oh ) 2 = 1. 05 : 1, ultrasonic vibration for dispersing and catalysing are best. lini0. 8al0. 2o2 exhibited a discharge capacity of 130. 7 mah ? g - 1 in the voltage range of 2. 8 ~ 4. 40v and at a specific current of 0. 2 c. a new co - precipitation method was proposed, it included ultrasonic for dispersing and catalysing, by dropping lioh to the aqueous solution of metal nitrates, hydroxides of metals were precipitated and the resulting solution was evaporated as received
採用傳統共沉澱工藝在空氣氣氛中成功地合成出了二元lini1 - xalxo2 （ 0 < x 1 / 2 ）層狀固溶體系列，綜合考察了不同鋰源、預處理方式、鋰的配比量、焙燒溫度等條件對合成產物的結構和性能的影響，確定出了最佳合成工藝:以硝酸鋰為鋰源，超聲波作為分散動力源，鋰源與鎳鋁金屬鹽摩爾比為1 . 05 : 1 ， 700下焙燒16h的lini0 . 8al0 . 2o2樣品電化學性能最佳，在2 . 8 ~ 4 . 40v之間， 0 . 2c的倍率放電可逆容量達130 . 7mah ? g - 1 。Starting from the practice of benxi steel co. s mine, the factors that affect the metal recovery of single low intensity magnetic separation technology and its relationship with the quality of iron concentrates are presented and the evaluation is made on the concentration efficiency of this technology. the relationship is operationable and is of guidance significance to the production practice and can be used to provide a basic for making the correct policy fer the concentration production
從本鋼礦山的實踐出發，闡述了單一弱磁選工藝金屬回收率的影響因素及其與鐵精礦質量的關系，同時對此工藝過程的選礦效率進行了評價，具有可操作性，並對生產實際有一定的指導意義，為正確制定選礦生產提供依據。The article consists of five parts except of foreword and end word. in the first part, i analyze the function and specialty of maximum amount mortgage, pointing out that maximum amount mortgage has the value of making economy and law carrying into effect and circulate necessary funds and draw commodity circulation function, which is not passed for other mortgage. the generate of maximum is not as same as traditional civil law mortgage ' s general rule - subordinating or accessory features, what are guarantee by which are not defined creditor ' s right in future
本文除前言和結語外，共包括如下五個部分：第一部分分析最高額抵押的功能和特徵，指出最高額抵押具有實現經濟和法律的效率價值及融通資金和引發商品流通的功能，這是一般抵押權所不具備的；最高額抵押的產生打破了傳統民法抵押權的一般原則? ?附隨性或從屬性特徵，其所擔保的一般為未來發生的不確定債權，但設立時要預定最高額，不約定最高擔保額不成其為最高額抵押權。The ministry of finance and the state administration of taxation jointly determined to adjust export refund rates of the following products as of 1 may 2005 : ( 1 ) export refund rates of coal, tungsten, tin, antimony and their products decreased to 8 % ; ( 2 ) abolishing of the export refund tax of thulium, thulium oxide, salts of lanthanum, silicon metal, molybdenum ores and its fine ores etc
中國財政部、國家稅務總局決定自2005年5月1日起調整下列產品的出口退稅率： （ 1 ）將煤炭，鎢、錫、鋅、銻及其製品的出口退稅率下調為8 % ； （ 2 ）取消稀土金屬、稀土氧化物、稀土鹽類，金屬硅，鉬礦砂及其精礦，輕重燒鎂，氟石、滑石、碳化硅，木粒、木粉、木片的出口退稅政策。分享友人