trace metal 中文意思是什麼

trace metal 解釋
痕量金屬
  • trace : n 1 跡,足跡,蹤跡,去向。2 痕跡;證跡,線索,結果;【心理學】記憶痕;【植物;植物學】(脈)跡。3...
  • metal : n 1 金屬;金屬製品;金屬合金。2 【化學】金屬元素;(opp alloy);金屬性。3 【徽章】金色;銀色。4 ...
  1. One - off cleaning dusts on the floor with no besmirch and water trace left. the dusts and hairs will be absorbed on the static fibre roller of mop and not dirty other areas. while cleaning, turn the metal handle then dust - resistant roller will circumgyrate, the cleaning surfaces transform from one to five - means the mop can cleanse areas as much as five mops do

    -將拖把手柄桿一轉動,除塵滾筒即可旋轉,由一個清潔面可轉變為至少五個清潔面,即一支清潔拖把可達到至少五支拖把的清潔面積,亦則清掃一個房間只需旋轉滾五分之一面積左右即可完成,完全免去傳統拖把因臟污而必須來回清洗的時間
  2. The inspection items include harmful existences ( pathogenic microbes, celozoic and ectozoic parasites, insects, weeds and other harmful substance ) ; residues ( pesticides and veterinary drug residues, heavy metal, chemical toxins, toxic substances, trace elements ) etc

    檢驗項目包括有害生物(病原微生物,體內、外寄生蟲,昆蟲、有害物質、雜草等) 、殘留(農藥與獸藥殘留,重金屬,生物與化學毒素,有毒物質,超標的微量元素)等。
  3. Dongzigou ag deposit and jianbaoshan au deposit are hosted in the sandstone of middle - proterozoic suberathem, which are developed from the proterozoic sediment metal source - rocks formed during the meso - proterozoic volcanism and reworked by the mesozoic tectono - magmatism during the formation of the metamorphic core complexes in eastern hebei. the dongzigou ag deposit has the characteristics of reformed strata - bound origin, the jianbaoshan au deposit, located in the detachment fault, is the alterated rock type. both deposits have the similar wall - rock alteration, and show the same trace element behavior, and ree patterns. they are the results of the multi - stage tectono - magmatism in the environment of continental extension in eastern hebei region. their mineralization depended on their wall rocks and relative location in metamorphic core complexs

    賦存於中元古宙長城系常州溝組的洞子溝銀礦床和尖寶山金礦床是由密雲-都山變質核雜巖構造體系所控制的一組礦床。其成因為中元古宙火山巖漿活動形成的沉積礦源,后經中生代的變質核雜巖構造巖漿體系疊加改造而成。洞子溝銀礦床具有層控迭加改造的特點尖寶山金礦床則具有破碎蝕變巖型礦床的特點。
  4. The main reasons causing increased chilling tendency of nodular iron are as follows : using metal charge containing trace and alloy elements which can increase chilling tendency ; molten iron being holded at high temperature too long ; abnormal nodularizing and / or inoculation treatment, as well as abnormal composition control

    摘要引起球鐵白口傾向大的主要原因是:爐料穩定性差、電爐保溫、球化處理及鐵液成分控制和孕育處理出現異常。
  5. The other was to research new li - al solid solution alloy material and use it as anode in lithium battery. by the trace alloy component, aluminum, doping in lithium metal, it was hoped to improve the sei film stability of lithium / electrolyte interface and consequentially enhance the performances of lithium anode. meanwhile, different form the previously studied lial alloy that had very high content of aluminum, such alloy should not decrease the mass specific energy and electrochemical potential of lithium electrode

    方法二:研究新型鋰鋁固溶體合金材料並將其應用於鋰二次電池中,通過微量合金成份鋁的摻雜提高鋰電極/電解質界面sei膜的穩定性,進而提高鋰負極性能;而該合金不會像以往高鋁含量的鋰鋁合金那樣降低鋰電極的質量比能量和電化學反應電勢。
  6. The sulphur guard beds contain an adsorbent that converts the mercaptans present at trace levels in the heavy naphtha product, and chemically binds the sulphur in the form of stable metal sulphides

    硫保護床裝有一種吸附劑,它能把重石腦油產品中存在的微量硫醇轉化,並通過化學鍵使硫以穩定金屬硫化物的形式存在。
  7. The application of cloud point extraction on the determination of trace metal ions

    濁點萃取技術在痕量金屬離子測定中的應用
  8. For a given ph condition, adsorption of trace metals on to sediments in the changjiang estuary can be described by the langmuir equation, and implies that increase in trace metal concentrations at natural waters has limited effect on trace metal partitioning coefficients because of high turbidity. 5

    在某一給定ph條件下,長江口懸浮泥沙對5種金屬的吸附符合朗格謬爾關系,這表明,在高渾濁度天然水體中微量金屬濃度的變化對它們在固-液兩相之間的分配系數影響不大。
  9. Design and preparation of novel ion exchange fiber, or functionization of activated carbon fiber, and application of these materials in energy storage and exchange, or in removal of trace metal ions

    新型離子交換纖維研製、活性炭纖維功能化、以及上述材料在儲能和高純試劑應用開發方面選擇研究課題。
  10. Copper is a trace element for all living organisms because this metal serves as a cofactor for activating numerous enzymes critical for homeostasis

    前言重金屬是人體所必需的微量元素,需要維持嚴格的恆常性,其中銅是體內很多酶的輔因子,能激活各種酶。
  11. Effect of trace boron on the impact toughness of 440mpa deposited metal

    級焊條熔敷金屬低溫沖擊韌性的影響
  12. In order to decrease chilling tendency, it is suggested to shorten holding time of molten iron at high temperature ; adopt nodularizing alloy with low rear earth content ; reduce trace elements and bismuth contents of the metal charge

    為減小球鐵的白口傾向,建議:縮短高溫停留時間;採用低稀土球化劑;加強爐料控制,減少微量元素,避免鉍量過高。
  13. Using trace kinetics to study the effect of heavy metal stress on the transportation and allocation of photosynthate in wheat

    重金屬脅迫對小麥光合產物輸配影響的示蹤動力學研究
  14. Research progress of complexation reaction to separate trace heavy metal ions in supercritical carbon dioxide

    2絡合反應分離痕量重金屬離子的研究進展
  15. In - situ auto - analysis technique of trace heavy metal in seawater

    海水痕量重金屬元素現場自動識別技術
  16. The surface sticks canada to import the solid bark of primary color, and roast the top very and strictly black of valuable piano paint, bright that divide the craft top thin and red wood grain, luster that have got the precious stone sort is with the texture, endurable often new, its strong and tough surface can resist slight of shot but not leave the trace, and match the plank of last glass crest with the glow - in - the - dark sand aluminum metal alloy pillar, highly respectable shape chien roughly vogue, now modern vogue elegant appearance of your luxurious living room of ream of nobility tasty, cultured qualities

    表面貼加拿大進口原色實木皮,烤上極嚴格分色工藝的名貴鋼琴漆,亮麗黑色配上淡紅色木紋,有著寶石般的光澤和鏡面質感,恆久常新,其堅硬的表面可抗拒輕微的碰擊而不留下痕跡,搭配上玻璃頂板和亮光砂鋁合金柱,尊貴的外形簡約時尚,彰現貴族品味,典雅的氣質令您的豪華客廳爭添現代時尚風采。
  17. The structure and function of metalloproteins and metalloenzymes have been the center of the attention for many years due to their important roles in biological system. though metal ions exist in trace amount in metalloproteins and metalloenzymes, their roles in structure or catalysis are crucial

    在生物分子結構的研究中,很重要的方面是了解金屬蛋白和金屬酶。金屬蛋白和金屬酶中僅含少量的金屬離子,但它們起至關重要的作用。
  18. In order to avoid the influence of trace metal to the stability of ferrate ( vi ), carbon fiber was more suitable, but it led to the problem of being prepared of the cathode, of emerging of the electrode ' s ear and of connecting between the base and shell

    所以直流電解法是制備電池級kzfoo4較為理想的方法。六、將電池級固體kzfzo4與膠狀石墨的混合物塗覆于玻炭電極、或填充于泡沫鎳基體上,在0 ? 0
  19. This paper briefly reviews the history and progress of trace metal marine ecotoxicology over the past few decades. three main areas of metal ecotoxicology are transport in the environment, accumulation and toxicity, as well as the risk assessment. we have seen tremendous progresses in these areas as a result of interdisciplinary efforts by biologists, chemists, engineers, governmental regulators and managers. i then discuss the future perspectives of metal ecotoxicology. it is expected that this field will receive increasing attention in china. certainly i hope that xiamen can become a center for metal ecotoxicology and biogeochemistry research

    簡要回顧了痕量金屬的海洋生態毒理學研究的歷史及過去幾十年中所獲得的進展.金屬生態毒理學研究主要包括以下3個方向:環境中的轉移,毒性積累及危險評估.在來自於多種學科的專家,包括生物學家,化學學家,工程師和政府監督管理人員等的共同努力下,這3個方向的研究都獲得了長足的發展.同時對金屬生態毒理學的未來進行了展望.可以預見的是,這門學科將在中國受到越來越多的關注.我更希望看到廈門能夠成為未來金屬海洋毒理學發展的中心
  20. Based on solid - liquid interface ion exchange model, using in - situ data of ph, sediment concentration, trace metal and salinity in the changjiang estuary, solid - liquid phase transformation for metals cu, zn, cd, co, ni through salinity gradient was calculated, and the modeling results was compared with in - situ data sets reported in literature

    華東師范大學博士學位論文摘要6 .在固一液界面離子交換模型的基礎上,以長江口現場調查得到的ph 、懸浮泥沙濃度、金屬濃度和鹽度作為模型的輸入量探討了cu 、 zn 、 cd 、 c 。
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