脲濃度 的英文怎麼說

中文拼音 [nóngdù]
脲濃度 英文
urea concentration
  • 脲 : 名詞[化學] （尿素） urea; carbamide
  • 濃 : 形容詞1. （液體或氣體中所含的某種成分多; 稠密） dense; thick; concentrated 2. （程度深） （of degree or extent） great; strong
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 濃度 : potency; thickness; concentration; consistence; strength; consistency; density
  1. It was completely inactive upon heat treatment at 95, in 4moi / l urea and 1mol / l guanidine hydrochloride

    當脲及鹽酸胍的濃度分別達到4mol l和1mol l時， dpl的活性完全消失。
  2. 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

    隨重金屬濃度增加，各指標下降幅度各有差別，其中微生物生物量碳、微生物生物量氮以及基礎呼吸和微生物代謝商隨重金屬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、蔗糖酶活性次之，蛋白酶活性較為穩定。
  3. The optimized condition is : urease concentration 8 mg l " 1, ph value of subphase 5. 5, association time of ureaes with amphiphiles 2 h, the temperature of subphase 10 ?, sio2 / si substrate with hydrophobic surface

    脲酶濃度8mgl ~ （ - 1 ） ，亞相ph值5 . 5 ，酶與表面單分子膜的締合時間2h ，亞相的溫度10 ，基片表面為憎水性。
  4. The detection limit of the biosensor for the urea determination is 0. 2 mm, and the response of the biosensor can be achieved within 15s

    當尿素濃度在0 - 20mm范圍內，尿素濃度的對數與響應值之間呈線性關系。該脲酶傳感器對尿素的檢出下限為0 . 2mm ，響應時間是15s 。
  5. Subsequent studies by the efsa released in july 2005 concluded that the presence of semicarbazide at the concentrations present in food did not pose a significant risk to human health

    月公布的研究結論認為，食物中出現的氨基脲的濃度並不會對人體健康產生明顯的危險。
  6. The tio2, cds and cds - tio2 films on the common glass substrate were prepared, respectively, using ti ( oc4h9 ) 4, cd ( cooch3 ) 2 and scn2h4 as raw materials by sol - gel method. the influences of manifold preparing parameters ( such as the concentration of sol, the amount of the peg. the number of coatings, the heat - treated temperature and time ) on the structure and performance were studied

    本文採用溶膠-凝膠技術，以鈦酸丁酯、乙酸鎘和硫脲為原料，以普通玻璃片為載體，制備了納米tio _ 2薄膜、 cds薄膜和cds - tio _ 2復合半導體薄膜，研究了制備過程中多種制備參數（如溶膠的濃度，聚乙二醇（ peg ）的加入量，鍍膜層數，熱處理溫度及時間）對薄膜結構和性能的影響，採用x -射線衍射（ xrd ） 、掃描電鏡（ sem ） 、能譜分析（ edxa ） 、紫外-可見吸收光譜（ uv - vis ）等測試手段對各薄膜進行了結構和物性表徵。
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