ph- 中文意思是什麼

ph- 解釋

  • ph : PH =public health 公共衛生。【化學】表示氫離子濃度的倒數的對數的符號。
  1. As the kid chymosin was extracted by the traditional way and the buffering way at different ph values, its activity mainly depended on the salt concentration, extraction time and temperature, the ratio of buffer and abomasums and extraction times

    用傳統方法和不同ph緩沖液方法提取羔羊凝乳酶時,食鹽濃度、提取時間、提取溫度、提取液與皺胃比例、提取次數對凝乳活性有重要的影響。
  2. The results indicate that : 1. the main physical and chemical characteristics vary regularly : with rising of the altitude, there is a transition from silt > sand > clay to sand > silt > clay in the mechanical composition ; the argic horizon emerges below the altitude of 1600 meters ; the content of organic matter is enrichment, the content of organic carbon of epipedon is higher than 20 g / kg, while the content of organic carbon increases with increasing of altitude, and in the altitude of 3500 - 3700meters, the soils under the meadow have the maximum content organic carbon ; the soils appear acid - slightly acid reaction, the ph decreases appreciably and acid strengthen with increasing of altitude ; the soils higher than the altitude of 2500 meters are base unsaturated, indicating the soil leaching is strong, the ph and bs are distinct plus correlated ; the contents of sio2, al2o3, and fe2o3 of the soil body and clay are all relatively stabilization ; in the soil body, the content of sio2 is much high and cao is very little, the total contents of sio2, a12o3 and fe2o3 occupy 92 % of the mineral parts, the sequence of mineral elements is : sio2 > al2o3 > fe2o3 > k2o > mgo > cao > tio2 > mno

    研究結果表明: 1太白山南坡土壤的主要理化性質隨海拔高度的上升呈有規律的變化:隨海拔高度上升,機械組成由粉粒砂粒粘粒逐漸過渡到砂粒粉粒粘粒,海拔1600m以下出現粘化層;土壤有機質豐富,表層有機碳含量一般在20g kg以上,有機碳含量隨海拔高度升高而相應增加,海拔3500 3700m的灌叢草甸植被下有機碳含量最高;土壤呈酸性或微酸性,並隨海拔上升, ph值略微降低,酸性增強,海拔2700m以上的土壤多呈鹽基不飽和狀態,表明土壤淋溶作用較強, ph值和鹽基飽和度呈極顯著正相關;土體與粘粒中的sio _ 2 、 al _ 2o _ 3 、 fe _ 2o _ 3含量相對比較穩定,土體中sio _ 2含量較高, cao含量較少, sio _ 2 、 al _ 2o _ 3和fe _ 2o _ 3含量之和約占土壤礦質部分的92 ,礦質元素含量的順序依次為: sio _ 2 al _ 2o _ 3 fe _ 2o _ 3 k _ 2o mgo cao tio _ 2 mno 。
  3. So only with the best combination of dispersants concentration, dispersing time, ph, temperature and adscititious ions, steady dispersing system can be obtained

    只有在分散劑濃度、分散時間、 ph值、溫度和外加離子濃度的最佳組合條件下,才能得到穩定的分散體系。
  4. Through preparative experiments and optimized experiments on cu ~ zn ultrafine powders that are prepared by the method of thermal spray and ball milling, the author finds that dispersants concentration, dispersing time, ph, temperature and adscititious ions have significant influences on dispersing effects

    西安理工大學碩士學位論文通過對熱噴塗球磨法制備的超細銅鋅粉的分散性進行預試驗和優化試驗,發現分散劑濃度、分散時間、 ph值、溫度和外加離子濃度對分散作用效果有重要影響。
  5. It is white crystal powder, odorless and slightly bitter ; hardly soluble in ethanol, chloroform, aether and benzene and soluble in solutions whose ph value is less or more than 7

    本品在水中易溶,在乙醇、丙酮、氯仿或乙醚中幾乎不溶。本品為兩性化合物,能溶於酸性溶液或堿性溶液。
  6. Dithiocyanomethane is an efficient, broad - spectrum germicide and algaecide, displaying strong exterminating effects against germs, fungus and algae existing in circulating water. it maintains long - term effects and is applicable to broad ph value and temperature ranges

    二硫氰基甲烷是一種高效廣譜的殺菌滅藻劑,對于循環水中存在的主要細菌真菌和藻類都具有高效的殺滅效果,而且藥效維持時間長,適應的ph值和溫度范圍較寬。
  7. The decrease in value of ph by plla can be stabilized by the alkalescence brought by degradable cp. inflammatory reaction can be avoided

    同時磷酸鈣降解后溶液呈堿性,可以中和聚合物降解的酸性產物,穩定ph值,防止plla降解過快造成的無菌性炎癥的出現。
  8. The results suggested that the ph value, the type of monomers, the type, concentration and surface properties of inorganic nanoparticles, the type and concentration of emulsifier have a great influence on the encapsulating emulsion polymerization and the obtained latex stability. if selecting cationic emulsifier ( ctab ), low water soluble monomers ( such as ba, st ) and hydrophobic nano - silica, the inorganic nanoparticles would be encapsulated by polymers through ultrasonic irradiation successfully under alkalescent condition

    系統研究了ba 、甲基丙烯酸甲酯( mmal苯乙烯舊t )以及它們的共聚體系在超聲輻照作用下包裹聚合的主要影響因素,結果表明: ph值、單體的種類、無機納米粒子的種類、濃度及表面性能、乳化劑的種類及濃度等對超聲輻照包裹乳液聚合以及復合體系的穩定性有較大的影響。
  9. Therefore, based on the isotopic chorology, petrochemistry, geochemisty and sr, nd, pb isotope, the ph. d dissertation mainly studied some yanshanian mafic dikes, volcanic rocks and alkalic - ultramafic dikes in shandong province

    本論文主要從同位素年代學、巖石化學、地球化學和sr ? nd ? pb同位素方面對山東地區燕山期基性脈巖、火山巖和堿性超基性脈巖進行了系統研究。
  10. Methods for determination of ph in alundum powder

    剛玉粉ph值的測定方法
  11. Test method for ph of fatty quaternary ammonium chlorides

    脂族季銨氯化物中ph值的測試方法
  12. Ammonium nitrate - method for measurement of ph value

    硝酸銨.第3部分: ph值測定方法
  13. Chemical analysis of ammonium sulphate for technical use. measurement of ph

    專業用硫酸銨的化學分析. ph值的測定
  14. This product adduction ancientry palace faoster face secret, combine modem times herbalist doctor exoterica, s wel s manifold herbal medicine extractio distillate make with extra care. speedy comfort balance skin ph, shrink pore, vailability intercede skin enginery, cleanlily feeling high elasticity clarity blob, order skin easiness absorb need moisture and nutrient, use after skin affect cleanlily lubricate, pliability in the chips elasticity

    獨特的抗汗防水配方,不油膩,四季都可以用,感觸清爽,有淡化泛黃晦暗和色澤不均勻的膚色,抑制黑色素的生成,防止因日曬引起的色斑、雀斑,自然吸收不殘留,使肌膚保持滋潤光澤,有彈性,感覺滑爽自在,為肌膚增添透明感,使上妝更貼切、更持久。
  15. Influence of ph and temperature on the stability of anthocyanin from li tchi pericarp

    值和溫度對荔枝果皮花色素苷穩定性的影響
  16. Ph : inset one into your anus ( vagina ) every night

    每晚塞一個在肛門(陰道)內。
  17. Ph : i et one into your anus ( vagina ) every night

    每晚塞一個在肛門(陰道)內。
  18. Methods for determination of ph of aqueous solutions

    水溶液ph值的測定方法
  19. Measurement of ph value of clear aqueous solutions

    透明含水溶液的ph值測量
  20. The soluble concentration of arsenic is dependent upon both chemical form and wastewater ph.

    砷的溶解度取決于其化學形態和廢水的PH值。
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