substance concentration 中文意思是什麼

substance concentration 解釋
克分子濃度,物質的量濃度
  • substance : n 1 物質，材料；【哲學】實體，本體，本質 （opp appearance）。2 實質，內容；（故事等的）要旨，要領...
  • concentration : n. 1. 集中。2. 【化學】提濃，蒸濃，濃縮；濃度；稠密度；【礦物】汰選，選礦，富化。3. 集中注意，專心。
  1. Adsorption is the concentration of one substance very near the surface of another.

    吸附作用是一種物質非常接近地集中在另一種物質的表面。
  2. The experiments results showed that when concentration of solid substance of the waste aqueous solution was condensated to 13 % ( w / v ) on vacuum, 95 % alcohol ( 1 : 1, v / v ) was added to the condensated solution to sedimentate polysaccharose, sedimentation was centrifugalized, repeated above treatment, and filtrate was collected and condensated on vacuum, then chlorogenic acid crystal of 76 % purity was obtained

    多次實驗結果表明，浸提液濃縮到固形物含量在13 %時，加入浸提濃縮液體積1倍量的95 %的乙醇沉澱並過濾掉多糖，反復處理兩次，濾液再經真空濃縮得到純度76 %左右的綠原酸。
  3. Based on the lambert - beer ' s law and considering the determination of ultramicro amounts of substances by aas, an approximate linear relationship between the transmittancy and concentration of the measured substance was derived

    摘要對原子吸收光譜法在超微量測試中，給出了朗伯比耳定律的近似公式，建立了測定值和透光度的變化值之間的近似線性關系。
  4. The substance with antibacteria action which had high purity was tested with escherichia coli, staphylococcus aureus, bacillus pyocyaneus and yeast by the antibacteria test to decide the minimal inhibitory concentration as 6. 37umol. l - 1, 3. 18umol. l - 1, 6. 37umol. l - 1, 6. 37umol. l - 1 25. 48umol. l - 1

    純化的抗菌活性物質通過對大腸桿菌、金黃色葡萄球菌、枯草桿菌、綠膿桿菌、酵母菌做抑菌試驗，最低抑菌濃度分別為6 . 37 mol
  5. Under that condition the strain can produce the most concentration of the bioactive compounds. the physical and chemical properties of the actibacterial compounds have been studied, the results showed the bioactive substance has heat stable, acidity and weakly alkali stable. it can be dissolved in acid water, chloroform solvent, can not be dissolved in ethyl acetate, petroleum ether, alkali water. the result of thinlayer chromatography showed the bioactive compounds can give off blue and green fluorescence in the uv light. the paper chromatography demonstrate the bioactive substance may be a new construct compounds

    研究表明，該活性物質具有較強的熱穩定性， ph 9的條件下能穩定存在，但ph 12的強堿性條件下活性物質的抗菌活性幾近喪失；活性物質易溶於氯仿、酸性水、不溶於乙酸乙酯、石油醚、堿性水；薄層層析顯示活性物質在紫外光下能發藍綠色熒光等特點；由捷克八溶劑系統紙層析鑒定該抗菌活性物質不屬於四大類抗生素，可能為一新的抗菌活性物質。
  6. Amount - of - substance concentration of b

    物質的量濃度
  7. Since the contamination of the original water, the pollutant in the water such as organic substance, ammonia nitrogen, algae toxin, finally nitrate, pelagic microbe and so on, whose concentration and species are becoming higher and more, deteriorate the quality of drinking water seriously

    由於水源受到污染，水中的有機物、氨氮和硝酸鹽氮、藻類及毒素、浮遊動物等污染物的含量和種類不斷增多，嚴重影響了飲用水水質。
  8. The greater the molecular weight or the concentration of organic substance was, the longer the length of the filter period was

    進水有機物濃度和分子量影響著過濾周期的長短，高濃度、大分子的腐植酸則濾柱過濾運行周期長。
  9. As for the existence of substance, the supporters of existential value debate with the supporters of personal value on two questions - - " what knowledge is of most worth " and " how to organize the knowledge ", which leads to the shift of concentration from substantial value to the functional value and the generation of new study field, including integrated curriculum, hidden curriculum and so on

    在課程本體存在的歷史中，存在性與個人性圍繞著「什麼知識最有價值」 、 「怎樣對課程進行邏輯的組織」的問題展開爭論，促使人們從知識自為價值走向知識功能價值反思。這些問題的爭論產生了課程研究的新范疇，如整合課程、能力目標、隱蔽課程等。
  10. The greater the concentration of organic substance or the molecular weight was, and the higher the degree of negative impacts was

    有機物的濃度越高，有機物的分子量越大，對生物氧化除鐵的阻礙作用越大。
  11. 3 antimicrobiol substance and protein in the hemolymph of nymphae induced by m. anisopliae no antimicrobiol substance was detected in the hemolymph of nymphae by different kinds of micropathogens after injection with m. anisopliae, which meant that the fungus could not induce p. americanna to produce antimicrobiol substance. injection of fungal spores caused the decline of protein concentration ( pc ) at the begaining, but after that the pc increased rapidly

    3綠僵菌孢子對蜚蠊血淋巴中抗菌物質及蛋白質的誘導注射綠僵菌后的不同時期提取蜚蠊血淋巴，以多種不同類型的植物病原菌、昆蟲病原菌及腐生菌作為檢測菌，均未檢測出蜚蠊血淋巴中有抗菌物質存在，即綠僵菌不能誘導蜚蠊產生抗菌物質。
  12. Application of immobilized proteases in treating water with high concentration organic substance

    固定化酶在高濃度有機廢水處理中的應用
  13. Secondly, this paper studied the effect of different concentration nacl on wheatgrass and pointed out that the wheatgrass could maintain well - balanced physiology at light salt stress, but at high salt stress, the membrane penetrability increased, fresh weight reduced, the development was restrained distinctly, and the osmoregulatory substance increased notably, at last the plants perished. from these results, this paper concluded that the wheatgrass had strong salt resistance

    二、用不同濃度的nacl （氯化鈉）溶液對冰草植株進行根際滲透脅迫發現，冰草在低鹽濃度脅迫下能夠保持正常的生理代謝，而高濃度鹽脅迫下植株質膜透性增大，鮮重減少，生長明顯受到抑制，有機滲透調節物質顯著增加，長時間脅迫植株死亡。
  14. Abstract : reviewed the accidents of dioxin contamination in american and europe. their countermeasure were substantialy to remove the high concentration contaminated substance and to cover the low concentration contaminated substance with clean soil. discussed seven methods of decomposition for the high concentration dioxin in contaminated substance

    文摘:綜述了歐美國家處理二口惡英污染物的一些實例，其對策主要是高濃度污染物除去、分解，低濃度的則復蓋干凈土壤，進而討論了高濃度污染物中二口惡英的七種分解技術。
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