次生金屬 的英文怎麼說

中文拼音 [shēngjīnzhǔ]
次生金屬 英文
secondary metal
  • : Ⅰ名詞1 (次序; 等第) order; sequence 2 [書面語] (出外遠行時停留的處所) stopping place on a jou...
  • : Ⅰ動詞1 (生育; 生殖) give birth to; bear 2 (出生) be born 3 (生長) grow 4 (生存; 活) live;...
  • : Ⅰ名詞1 (金屬) metals 2 (錢) money 3 (古時金屬制的打擊樂器) ancient metal percussion instrum...
  • : 屬名詞1 (類別) category 2 [生物學] (生物分類系統上所用的等級之一) genus 3 (家屬; 親屬) fami...
  • 金屬 : metal
  1. Using cd, cu, zn and cr as experimental toxicants and crucian as experimental creature, we employed the environmental biotechniques ( flame atomic absorption spectrophotometry, the method of improved pyrogallol autoxidation and electron microscopy ) to study the acute toxicity and secure concentrations of heavy metals to crucian ; the accumulation and distribution of mixed heavy metals to fingling crucian ; the activities of superoxide dismutase ( sod ) of gill and liver tissues and the hispathological and ultrastructural change of superfine structure of liver and kidney of crucian after cadmium exposure. through which, we intended to fully and systemically study the toxic influence of heavy metals to fish, and preliminarily discuss the influence of heavy metals pollution to the diversified level of fish such as individual, organ, tissue, cell and molecule. thus we tried to provide scientific evidence to establish preventative management measures, avoid and relieve the harm of heavy metals pollution to aquicolous ecosystem in time

    隨后以這幾種重作為實驗毒物,以鯽魚為實驗動物,應用環境物技術、火焰原子吸收分光光度法、鄰苯三酚自氧化法、透射電鏡等技術研究了重cu 、 zn 、 cd和cr對鯽魚的急性毒性及其安全濃度評價、混合重在鯽魚幼體組織內的積累和分佈、 cd對鯽魚鰓和肝臟中sod活性的影響、 cd對鯽魚肝細胞和腎細胞超微結構的影響等,全面和系統地研究了水環境中重暴露對魚類的毒性影響,初步探討了重污染對魚類的個體? ?器官? ?組織? ?細胞? ?分子等各水平層的影響,為制定漁業產上預防性的管理措施提供科學依據,及時避免或減輕重污染對水態系統造成的損害。
  2. As an advanced materials preparation technology, spray - deposition has shown remarkable superiority in producing large - sized alloys and metal matrix composites. however, the spray deposeted preforms usually contain a certain quantity of porosity. besides, the oxide films on the surface of the particles lead to week metallurgic conjunction between the particles. in order to obtain an ideal structure and performance, the porous preforms need further densifying and plastical forming. in this paper, a new technology named wedge pressing was used to densify spray - deposeted 5a06 aluminium alloy, in which the large deformation can be obtained through the sum - up of local deformation and multi - step small deformation. this method can also solved the problems in traditional processing and greatly decreased the producing cost. what ’ s more, the reserch on the wedge pressing desification rules about the large - sized spray deposeted preforms was significant it was vital not only to the further densification of the prefoums but also to the further research on plastical deforming the research was also benefit to the industrialization an the application of the spray deposeted porous materials

    坩堝移動式噴射沉積技術作為一種先進的材料制備新技術,在制備大尺寸合基復合材料方面具有顯著的優越性。然而噴射沉積坯件特別是大型坯件通常存在一定量的孔隙,顆粒表面存在一定量的氧化膜,顆粒之間未能完全達到良好的冶結合狀態,因此需要進行后續緻密化和塑性變形才能獲得理想的組織和性能。本文採用一種新型的楔形壓制工藝,即通過局部變形、多道小變形累積實現大變形的緻密化加工方法,對噴射沉積多孔坯料進行后續緻密化和塑性變形,很好地解決了傳統加工工藝的難題,大大降低了產成本。
  3. Unfortunately, there was still light pollution although technology was improved many times. to ensure environment protection, wanbao company decided to remove all the old product lines and reinstall the product lines of oxide electrolysis. the total set is 30, and equipped with two 25kg vacuum induce stoves, the yield is 1400 mt per year. the main production are low - zinc low - magnesium lanthanum metal, low - zinc low - magnesium mischmetall, neodymium metal, didymium metal, yttrium metal, dysprosium metal etc

    多年來,萬寶公司一直從事氯化物電解產,雖經多環保治理,仍有一定污染,為確保綠色環保產,公司決定將原有產線拆除,全部改裝成氧化物電解產,總臺數為30臺,年產量為1400噸,同時配備兩臺25kg真空感應爐。主要產低鋅低鎂鑭低鋅低鎂混合稀土釹鐠釹
  4. Production : hypochlorous that, leather rouruanji ; wholesale and retail : chemical products and chemical fertilizer, wujinjiaodian, leather products, building materials, clothing shoes and hats, plastic products, auto parts, metal materials ( excluding precious metals ), office supplies, textiles, daily provisions

    產:氯酸納,皮革柔軟劑;批發零售:化工產品及化工助劑,五交電,皮革製品,建材,服裝鞋帽,塑料製品,汽車配件,材料(不含貴重) ,辦公用品,紡織品,日用百貨。
  5. Standard practice for determining the inclusion or second - phase constituent content of metals by automatic image analysis

    用自動圖象分析法測定的夾雜物或相要素含量的標準操作規程
  6. Levels of fasting blood glucose and 24h urinary microcontent of albumin 24 h malb were determined dynamically ; the serum glycosyl hemoglobin hba1c was determined after the last medication ; the ultrastructural changes of kidney were observed by transmission electron microscope ; the expressions of collagen, fibronctin, laminin ln, and the ecm metabolism influencing factors, including mmp2, tissue inhibitor of metalloproteinase timp2, transfer growth factor 1 tgf 1 in renal tissue were detected by immunohistological chemistry and image collecting analytical system

    動態檢測各組大鼠空腹血糖fbg 24h尿微量白蛋白24h malb ,末給藥后測定大鼠血漿糖化血紅蛋白hba1c透射電鏡觀察各組大鼠腎臟超微結構改變,應用免疫組化技術及圖像採集分析系統測定各組大鼠腎臟組織中型膠原c纖維連接蛋白fn層粘連蛋白ln的表達,測定影響ecm代謝的基質蛋白酶2 mmp2基質蛋白酶抑制劑2 timp2及轉化長因子1 tgf 1的表達。
  7. The activity of urease is hard to recover entirely with regeneration solution after contacting inhibitors for many times. for this reason, a renewable urease biosensor is highly desired. in chapter 3, a renewable potentiometric urease inhibition biosensor based on self - assembled gold nanoparticles has been developed for the determination of mercury ions

    2 .重離子對脲酶的抑制作用是不可逆的,因此基於對脲酶抑制來檢測汞離子的傳感器在多與抑制劑接觸后,很難使用再溶液將脲酶的活性完全恢復,有必要研究一種可更新的脲酶傳感器。
  8. ( 1 ) for the first time, compositing the chemical compounds of alkaline - earth metal with the adsorption material, 13x molecular sieve, silica gel, and activated alumina to gain a series of composite adsorbents with good performance that higher adsorption capacity and lower regeneration temperature and suitable for adsorption refrigeration systems that can be driven by low - grade thermal energy

    將堿土化合物及其鹽類與傳統吸附材料13x分子篩、硅膠和活性氧化鋁等復合,制取具有較高吸附量和較低再溫度的適合於以低溫熱能驅動的吸附製冷過程的一系列優良復合吸附劑。分別在自製的吸附製冷、除濕製冷模擬實驗裝置上,測得該系列復合吸附劑與水和乙醇組成的吸附製冷工質對的吸附製冷性能以及除濕製冷性能均優于傳統吸附劑( 13x ,硅膠和活性炭) 。
  9. With technology of one - seal - exhaust being applied in vacuum switch - tube, high request about ceramic - to - metal - to - seal is put forward

    隨著一封排技術在開關管產中的廣泛應用,對陶瓷?封接技術提出了更高的要求。
  10. Soil microbial biomass carbon, microbial biomass nitrogen, soil basal respiration and metabolic quotient all showed a decreasing trend under more than 15 mg. kg - 1 cadmium or more than 200 mg. kg - 1 lead, respectively. soil dehydrogenase, urease and acid phosphotase activities have a significant decrease, and the activities of soil catalase and invertase taking sencond place, while soil protease activities showed stable state

    隨重濃度增加,各指標下降幅度各有差別,其中微物量碳、微物量氮以及基礎呼吸和微物代謝商隨重濃度增加而明顯下降;土壤脫氫酶、脲酶、酸性磷酸酶活性的下降幅度較為明顯,過氧化氫酶、蔗糖酶活性之,蛋白酶活性較為穩定。
  11. In 1912, sharp corporation started business as a metal precision manufacturer under the name of " hayakawa metal industry "

    聲寶有限公司早於1912年由創辦人早川德創立,當時是以早川加工廠命名。
  12. During the first world war, a well - known expert in metals was asked to investigate the problem of the " pitting " which spoiled gun barrels after they had been fired for a certain length of time

    第一世界大戰期間,一個著名的專家被要求調查「銹斑」的問題,銹斑在槍炮使用了一定的時間后就會產並損壞槍管、炮筒。
  13. Spef ; chai river ; sediment ; heavy metals ; pollution

    相富集系數法柴河沉積物重污染
  14. Secondary phase enrichment factor for evaluation of heavy metal pollution of sediment in the chai river

    應用相富集系數評價柴河沉積物重污染
  15. The paper studied three aspects of extracelluar enzymes in sediments of the tidal flat wetland, namely 1 ) the distibution of five sorts of extracellular enzymes in sediments in the east end of chongming island along the elevation gradient or community succession series, the relationships between the activities of enzymes and the ecological factors, and functions of extracellular enzymes in the process of community succession ; 2 ) the effects of the heavy metal ions and edta on the activity of alkaline phosphatase in sediments of the east end of chongming island by adding and removing of heavy metal ions, discussing whether the activities of extracellular enzymes could be taken as the indicators for the environmental status ; 3 ) the variations of the activities of extracellular enzymes in sediments in the east end of hengsha island after the discarding clay

    本文以長江口典型濕地?崇明東灘為例,首研究了沿高程梯度或沿植被演替系列沉積物中堿性磷酸酶等五種胞外酶活性的空間分佈規律,分析了胞外酶活性與環境因子的相互關系及其產機制,討論了胞外酶活性在濕地植被演替中的作用。同時以崇明東灘沉積物為對象,運用重離子的添加和去除等方法,研究了重離子對沉積物中堿性磷酸酶活性的影響,利用胞外酶活性的變化探討了崇明東灘重污染的狀況。此外,本文還研究了橫沙東灘吹泥試驗工程對沉積物環境因子和胞外酶活性的影響並進行了對比分析。
  16. A method of secondary phase evrichment factor for evaluation of heavy metal pollution in sediment was proposed. a case study was carride out for the chai river based of field samping and analysis. the approach was compared with currently used methods

    目前,國外學者提出的幾種關于河流沉積物重污染評價方法,具有其本身的特點和應用性,但也存在著某些局限性。為彌補這些評價方法的不足,提出了相富集系數法,並應用此法對柴河流域沉積物重的污染水平進行了評價。
  17. According to former references, the nascent metal surface usually is gained by cutting, but the manner results many pits and crevices in it and the surface is so rough that ca n ' t provide lipid molecules with smooth surface to bind to the support surface. so it brings the difficulty to recur measurement and to compare the results. the thesis brings forward a new method to get more smooth surface by sand paper

    根據文獻提供的方法,通常採用剪切的方式處理覆膜的表面端,由於用此方法成的端面極為粗糙,不能保證每剪切后端面的一致性,從而使所覆的blm膜不是在同一工作環境、同一工況下進行,給實驗的再現性帶來困難,同時難于進行實驗結果的前後對比分析。
  18. 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。
  19. The fitness of four negative electrode materials such as al, fe, zn, cd, and of six membranes materials : microfiber glass mat separator, polyethylene, polypropylene, polyvinyl chloride, vinylon, soapnated cellulose acetate, and of four current collects : carbon fiber ; nickel foam ; nickel foam sthongthened by iron wire net, punched silver grid in the super - iron alkaline batteries was comparatively studied. the influence of two storaged method ( with and without electrolyte ) and two impurities ( zno, fe ( oh ) 3 ) to the experiment cell ' s self - discharge nature was also comparatively studied. at last, the nature of discharge. structure and electrochemistry of experimental cell with k2feo4 as cathode active material prepared by three different methods : high temperature reaction, hypochlorite oxidizing and electrolysis, was comparative ly studied. we can conclude : i ) the open - circuit potential and the flat of work potential and the percent of capacity of k2feo4 till 1. 0v during the discharge at constant load of experimental cells decreased by the order of al / k2feo4, zn / k2feo4, cd / k2feo4, fe / k2feo4. as for the nature of charge - discharge cycle, cd / k2feo4 fe / k2feo4 zn / k2feo4. in water solute electrolyte, although al / k2feo4 can n ' t be used as storage battery, it have great potential as primary cell or storage cell from the aspect of its discharge capacity. discharge power

    採用組裝實驗電池、 x -射線衍射( xrd )和循環伏安( cv )的方法,從實驗電池的放電特性、充放電循環特性、自放電特性,不同高鐵酸鹽的結構特性和電化學特性幾個方面,對4種負極材料( al 、 fe 、 zn 、 cd ) 、 6種隔膜材料(復合玻璃纖維、幅射接枝聚乙烯、改性聚丙烯、聚氯乙烯、維尼綸無紡布、皂化再纖維素) 、 4種集流體材料(泡沫鎳、以鐵網為加強層的泡沫鎳、切拉銀網、炭纖維編織網)在堿性高鐵電池中的適用性進行了比較研究;對2種雜質組分( zno 、 fe ( oh ) _ 3 )和2類不同貯存方式(干、濕)對實驗電池自放電特性的影響進行了比較研究;對3種方法(高溫固相反應、氯酸鹽氧化、直流電解)所制k _ 2feo _ 4的實驗電池的放電特性、結構特性和電化學性能進行了比較研究。
  20. Tianhua metal ornamental ware factory, lianjiao, nanhai city, an enterprise specialized in produce and manufacture of metal ceiling, started to imitate and learn from foreign products and turned out the generation of traditional plate - sized painted products and experienced the 1st starting development together with the metal ceiling industry developing in china

    1992年,華獅企業機構開始介入天花行業,南海市聯窖天華裝飾製品廠,這一專業產製造天花的企業成,開始模仿學習國外產品長出第一代傳統板型的噴塗產品。同天花行業開始在中國經歷第一起步發展
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