酸指示 的英文怎麼說

中文拼音 [suānzhǐshì]
酸指示 英文
ph indicator
  • 酸 : 酸構詞成分。
  • 指 : 指構詞成分。
  • 示 : Ⅰ動詞（擺出或指出使人知道; 表明） show; indicate; signify; instruct; notify Ⅱ名詞1 [書面語] （給...
  • 指示 : 1 （指給人看） indicate; point out2 （指示下級） instruct 3 （指示的話或文字） directive; instruc...
  1. Abstract : basing on nitroester migration theory in combustible cartridge case ( ccc ) during its long storage, the method of using indicator strip to determine extent of nitroester migration was suggested

    文摘:根據半可燃藥筒在長期儲存過程中硝酸酯的遷移原理，提出一種利用指示劑帶檢測硝酸酯遷移量的方法。
  2. First, a terminal double bond was introduced into 3 - amino - 9 - ethylcarbazole ( aec ) via methacryloyl chloride to obtain the compound, 3 - ( n - methacryloyl ) amino - 9 - ethylcarbazole ( mec ). second, mec was copolymerized with butyl methacrylate to prepare the mec - immobilized polymer particles. the resultant polymer particles were used as a fluorescence probe, which was almost free of dye leaching, and had higher photostability in comparison with free aec

    首先利用甲基丙烯酰氯向3 -氨基- 9 -乙基咔唑（ aec ）分子中引入末端雙鍵，得到帶末端雙鍵的熒光指示劑3 - （ n -甲基丙烯酰基）氨基- 9 -乙基咔唑（ mec ） ，然後通過乳液聚合技術將mec共價固定到聚甲基丙烯酸丁酯基體上，制得一種共價固定了mec的聚合物顆粒。
  3. The rate of the coordination reaction between divalent metal ions and murexide in a water - in - oil microemulsion was determined by spectrophotometric technique to study the transport of the metal ions entrapped in the organogel formed by cationic surfactant cetyltrimethylammonium bromide

    以微乳液中二價金屬離子與紫脲酸胺之間的配位反應為指示反應，採用分光光度技術，研究了金屬離子在由陽離子表面活性劑十六烷基三甲基溴化胺構建的微乳凝膠中的傳質問題。
  4. After study on the technology of probe head of the optical fiber, a biosensor for determination of cholesterol which based on fluorescence quenching and adopted phase shift & phase lock technique to detect the change of light intensity was developed, in this biosensor, the cellulose acetate cod enzyme membrane was took as sensitivity basic dollar, ru ( phen ) 32 + was took as indicator of oxygen and furcated optical fiber as conduct carrier of light signal

    通過對光纖探頭組裝技術的研究，以醋酸纖維素cod酶膜為敏感基元，釕（ ） -鄰菲咯啉為氧指示劑，分叉光纖為光信號傳導載體，採用相移法和鎖相放大技術設計了一種基於熒光猝滅原理的測定膽固醇用的生物傳感裝置。
  5. Garden hydrangeas ' color can be manipulated with the soil ph. pink and red hydrangeas turn blue and purple in acid soils, while blue hydrangeas turn pink in alkaline soils

    庭院八仙花屬的顏色可以指示土壤的ph值。粉紅和紅色的八仙花轉變成藍色和紫色表示酸性土壤，而藍色的八仙花轉變成粉紅色則表示在堿性土壤。
  6. Through the study of hydrolytic acidification - catalytic oxidation process treatment of wastewater of pulp anti paper making from waste paper and the microbes, what we found are as follows : it is certain that if there are more biaokeyuankechong in the water, the environment the water quality is worse : when swimming infusorian, eelworm, filamentous bacteria are found in the water, it shows the water is good : dark red alga and red pot ladybug show the water is still better, and higher microbes such as green alga and rotifer indicate the water quality is best

    摘要通過對水解酸化接觸氧化工藝處理廢紙造紙廢水及其生物相的研究，確定出表殼圓殼蟲數量越多，環境和水質越差；而游泳類纖毛蟲、線蟲、絲狀菌的出現是水質稍好的指示；暗紅色藻類和紅斑瓢體蟲是水質更好的指示；而較高等生物綠藻和輪蟲則是水質最好的指示。
  7. The main results are following : ( 1 ) the variation of clay / silt ratio can indicate the secondary clay action of dust depositions ; the variations of magnetic susceptibility and total fe content are inferred to be records of the changeable intensity of bio - pedogenesis ; the variations of sr content and rb / sr ratio can indicate bio - pedogenesis, dissolving and leaching action ; the content of total organic carbon ( toc ) can reflect variation of climate and vegetation during soil formation, it indicates the intensity of weathering and bio - pedogenesis ; the content variation of caco3 can show the intensity of dissolving - leaching action and secondary deposit, which was noted as pseudomycilia in pores and fissures in the sediment, so it can indicate the intensity bio - pedogenesis quite well. these proxy indexes also reflect obvious regional difference of pedogenic environment and the intensity bio - pedogenesis ; namely, secondary clay action, dissolving - leaching action and bio - pedogenesis are all much stronger in south than that in north

    實驗結果表明：粘粒粉沙比值能很好地指示粉塵堆積物的次生粘化作用；磁化率和全鐵很好地指示生物風化成壤作用； sr和rb sr比值能很好的指示生物風化成壤作用和淋溶作用；總有機碳（ toc ）含量的高低，在一定程度上反應了土壤發育過程中氣候和植被狀況的變化，指示著成壤過程中腐殖質化的程度； caco3含量的變化，可以反映了黃土古土壤形成時的風化成壤作用的強弱程度，指示成壤過程中的淋溶作用和次生碳酸鹽化作用；並且各指標所指示的成壤環境和成壤強度存在明顯的區域差異，即渭河流域土壤的生物風化成壤作用、次生粘化作用和淋溶作用均表現出南部強于北部。
  8. The effect of hexadecy pyridine choride on the dissociation constants of thymol blue bromide, cresol red, o - ckesolphthalein and thymol blue, as well as their the colour - changing ranges were studied by spectrophotometry

    探討了表面活性劑氯化十六烷基吡啶形成的膠束對溴百里香酚藍、甲酚紅、鄰甲苯酚酞和百里香酚藍離解反應的離解常數的影響，同時，也研究了該表面活性劑對上述四種酸堿指示劑變色范圍的影響。
  9. Other bound metals related to iron - manganese oxides and silicate indicate no change above the loess covered deposits

    鐵錳氧化物態硅酸鹽結合態金屬元素在厚黃土覆蓋區對礦帶無指示意義。
  10. We selected styrene as monomer, diethylene glycol dimethacrylate as cross - linking agent. the copolymerization technique was used in preparing the probe. the ph fluorescent indicator was immobilized in the probe as the sensitive element

    我們選擇苯乙烯為聚合單體，雙甲基丙烯酸一縮二乙二醇酯為交聯劑，採用交聯共聚技術制備氨多孔塑料傳感探頭，並將ph熒光指示劑固定於共聚體中作為氨的敏感元素。
  11. In the second part, we studied the plastic porous probe for ammonia measurement, which was made by methyl methylacrylate. we selected methyl methylacryte ( mma ) as the monomer, diethylene glycol dimethacrylate ( dgdm ) as cross - linking agent and toluene as the inert solvent. the probe was prepared by a copolymerization technique

    第二部分為以甲基丙烯酸甲酯為單體的多孔塑料光纖傳感探頭的研究，在這一部分里，我們以甲基丙烯酸甲酯為單體，雙甲基丙烯酸一縮二乙二醇酯為交聯劑，以甲苯為致孔劑，採用交聯共聚技術制備氨多孔塑料光纖傳感探頭，並將ph熒光指示劑藻紅固定於共聚體中。
  12. Testing acids and alkalis with indicators

    用指示劑檢測酸和堿
  13. Based on a comprehensive review on research results of metamorphic rocks, the authors argue that the formation and exhumation of uhpm ultra - high pressure metamorphite experienced two stages, i. e., cold slab subduction and exhumation during 240200ma, and lithosphere delamination and thermal exhumation during 196163ma. the rapid thermal exhumation, co - occurred with extensive regional metamorphism and intermediate - acidic magmatism, implied that the subducted slabs had broken off and delaminated. the

    通過全面評述該區變質巖研究成果，作者認為：超高壓變質巖的形成和剝露經歷了240200ma的板片冷俯沖冷折返和196163ma的巖石圈拆沉熱折返熱折返伴隨了廣泛而強烈的區域變質作用和中酸性巖漿活動，指示板片斷離拆沉的發生超高壓變質巖
  14. 2. the results showed that the contents of cach - extractable soil p, and soil test phosphorus ( olsen, bray, mehlich - 3 ) and algae - available p contents ( naoh - extractable soil p ) in the soils correlated significantly with the contents of ortho - p, particulate p and bioavailable p in runoff, respectively, which were feasible to be used as primary indices to evaluate of agriculture p impacting on surface water quality. the results also showed that the relationships between the phosphorus sorption of soil index ( psi ), and the degree of soil saturation with phosphorus ( dpss ) and the contents of ortho - p, particulate p and bioavailable p in runoff reached significant level, respectively

    黃壤旱地土壤易解吸磷（ cacl _ 2 - p ） 、土壤有效磷（ olsen - p 、 bray - p 、 mehlich - 3 - p ）或藻類可以利用的土壤磷（ naoh - p ）與地表徑流中顆粒態磷、生物有效性磷和磷酸根態磷之間均存在顯著的相關性，在一定的程度上可用cacl _ 2 - p 、 olsen - p作為指示黃壤旱地地表徑流中磷潛在流失的預警指標，來判斷旱地存在磷素非點源污染的可能性。
  15. Water quality - physical, chemical and biochemical methods - method for the determination of chloride via a silver nitrate titration with chromate indicator mohr ' s method

    水質.第2部分:物理化學和生物化學方法.第37節:用鉻酸鹽指示劑通過硝酸銀滴定測定氯化物法
  16. The experimental results indicated that the colour - changing ranges got narrow, and the titration accuracy was increased when an appropriate surfactant micellar solution was chosen as a titration medium

    實驗結果表明，表面活性劑存在時，酸堿指示劑的離解平衡及其變色范圍將發生改變，選擇適當的膠束溶液作為滴定介質，可以擴大酸堿指示劑的應用范圍，同時也可以提高滴定的準確度。
  17. The structure of azo dyes has attracted considerable attention in recent times, since they represent the largest class of dyes used in industry, and also has extensive applicability in analytical chemistry as acid - base, redox and metallochromic indictors

    近年來，偶氮類染料的結構研究引起了人們的注意，因為它們是工業上所使用染料的最大類，並且作為酸堿指示劑、氧化還原指示劑、金屬顯色指示劑在分析化學中有著廣泛的應用。
  18. Standard test method for acid and base number by color - indicator titration

    用顏色指示劑滴定法測定酸堿值的標準試驗方法
  19. Water quality - determination of chloride - silver nitrate titration with chromate indicator mohr ' s method

    水質.氯化物的測定.用鉻酸鹽指示劑的硝酸銀滴定法
  20. Methods of test for petroleum and its products - determination of inorganic acidity of petroleum products - colour indicator titration method

    石油及其產品的試驗方法.石油產品無機酸度測定.顏色指示劑滴定法
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