弱酸的 的英文怎麼說

中文拼音 [ruòsuānde]
弱酸的 英文
acid deficient
  • 弱 : Ⅰ形容詞1 （氣力小; 勢力差） weak; feeble 2 （年幼） young 3 （差; 不如） inferior 4 （接在分數或...
  • 酸 : 酸構詞成分。
  • 的 : 4次方是 The fourth power of 2 is direction
  • 弱酸 : mild acid
  1. The mineralization temperature is in a range of 90 ~ 300, and the mineralization fluid is a combination of slightly acidic - slightly alkalic precipitations, seawater and magmatic water

    其成礦溫度在90 ~ 300之間，成礦流體為低鹽度的弱酸性弱堿性大氣降水、海水和巖漿水的混合溶液。
  2. An analysis of acidity of phenyl replacing acid and benzoic acid

    苯基取代酸和取代苯甲酸的酸性強弱淺析
  3. By infrared spectrum study, the limonite ( feooh nh2o ) can be considered the main colorating mineral in the yellow and red jadeite, and the hematite is another colorating mineral in the red jadeite. the difference of color tone is due to the n value in the molecular formula feooh nh2o and the content of crystal water and adsorbent water. the iron ion came from the effloresced and eroded rocks, and formed fe ( oh ) 3 colloid reacted with the surface water

    周圍礦床的風化蝕變為表生水提供了鐵質，形成弱酸性的含fe （ oh ） _ 3膠體的水溶液，表生水流經翡翠礦石時， fe （ oh ） _ 3膠體附著在巖石的表面，經過脫水結晶和吸附，形成褐鐵礦膠體，褐鐵礦膠體沿裂隙或鬆散的礦物顆粒進入翡翠巖石中，逐漸累積沉澱，形成次生色層。
  4. Amor matris : subjective and objective genitive. with her weak blood and wheysour milk she had fed him and hid from sight of others his swaddling bands

    她用自己那虛弱的血液和稀溜發酸的奶汁喂養他，藏起他的尿布，不讓人看到。
  5. Study on the dissolving process of powdery patina in neutral and in weak acid aquatic solution

    弱酸性環境中溶解過程的實驗研究
  6. Phenylketonuria is a condition in which phenylalanine to tyrosine conversion is diminished because the enzyme phenylalanine hydroxylaze is deficient.

    苯丙酮酸尿癥是一種由於苯丙氨酸羥化酶缺乏，苯丙氨酸轉變成酪氨酸的過程被削弱的病。
  7. The combination of meja and fc did not show significant additive effect on enzyme activity. 3. phosphorylation and dephosphorlation of pm h ^ - atpase after treatments of meja and fc 1 ) in vitro, phosphatase inhibitors, okadaic acid and cantharidin, enhanced meja - induced increase of the enzyme activity to 60 % and 50 %, respectively

    Tllrase過程中可能發生的磷酸化和去磷酸化作用1 ）磷酸酶抑制劑斑螫素、崗田酸可以增強meja對酶的刺激作用，崗田酸的效應較強，而斑鰲素的作用略弱，增幅分別為60和50左右。
  8. Abstract : the extraction of purple pigment from brassica campestris and its stability were studied. the pigment is stable under acidic condition, worth to develop in food industry

    文摘:以紫菜薹為原料，用30乙醇溶液浸提制得紫菜薹色素，並對其理化性質進行了研究。結果表示該色素在弱酸性條件下，具有較好的穩定性，在食品工業中有一定的開發利用價值。
  9. Amino acids are weak acids and weak bases, therefore, they are excellent buffering agents.

    氨基酸是弱酸和弱堿，因此，它們是很好的緩沖劑。
  10. Natural mild acidic foaming agent that is similar to the skin ' s ph level ; able to create rich leather cleansing foams and makes the skin feeling fresh without drying

    天然的弱酸性起泡劑，與皮膚之酸鹼值貼近，可產生豐富細致的泡沫，洗后肌膚健康清爽，沒有繃緊作用。
  11. In this paper, we study the influence factors about acid - base titration jump and the stoichiometric point deducing approximate calculation formula of acid - base titration. some useful results are obtained

    摘要本文推導出了強酸強堿、一元弱酸弱堿、多元弱酸弱堿滴定突躍、化學計量點的近似計算式，用公式說明了影響滴定突躍的因素及化學計量點的位置，並得出了一些重要結論。
  12. Results showed that during hydrothermal degradation, the contents of hemicellulose and cellulose in lawn - grass and weeds decreased while the content of lignin increased due to derivation and condensation

    結果表明，在濕解過程中草坪草和雜草中半纖維素、纖維素的相對含量呈減少趨勢；木質素類物質經過衍生和小分子縮合后，其相對含量呈增加趨勢；濕解最終產物呈弱酸性，可以用來改良堿性土壤。
  13. The reservoir sensitivity test turns out that the velocity sensitivity of the basin is weak to medium, water sensitivity is strong in first sag and third sag and weak in the second sag. acid treatment indicates that several types of acid on the spot are unfit for acid stimulation in the basin and it is necessary to discover new acid treatment method and prescription

    儲層敏感性實驗研究證明，盆地的速敏性為弱到中速敏，水敏性第一和第三凹陷較強，而第二凹陷的水敏性相對較弱；酸化研究表明，現場目前使用的幾種酸型配比小適合對該盆地進行酸化改造，必須探索新的酸化途徑和配方。
  14. Preparation of a new weakly acidic cation exchanger and the evaluation of cations by non - suppressed ion chromatography

    新型弱酸性陽離子色譜柱的制備及非抑制型離子色譜法電導檢測
  15. The absorption is ascribe to physical absorption. silane combines with h of hydroxyl on surface of sericite, the absorption is ascribe to chemical absorption. in silane and stearic acid cooperation modification, c = o absorption peak appears in spectrum and the regional vibration of si - o - si becomes wide, which shows the physical absorption of stearic acid and chemical absorption of silane produce an effect on surface of sericite

    採用紅外光譜對絹雲母改性機理進行分析，結果表明，硬脂酸改性絹雲母吸附強度較弱，容易脫附，以物理吸附為主；硅烷改性絹雲母，與絹雲母表面的羥基形成氫鍵，以化學吸附為主；硅烷與硬脂酸復合改性，其光譜中出現了c = o鍵特徵吸收峰，並且si ? o 、 si ? o ? si振動吸收區變寬表明復合偶聯劑在絹雲母表面既有硬脂酸的物理吸附，又有硅烷的化學吸附。
  16. The comparative analysis of sequences indicated that the sequences of meq in different pathotypes are relatively conserved and the homology of the amino acid sequences is very high. the significant differences include two mutations in both mdv - 1 vaccine strains cvi988 / rispens and 814 strain : the deletion of a proline ( no. l93aa ), and this mutation is just exactly located in a 15 - amino - acid ( eelcaqlcstppppi ) repeat sequence within the c - terminal transactivation domain of meq protein ; and a point mutation with a shift from alanine ( a ) of all virulent strains to serine ( s ) was occurred on the no. 71 aa

    結果發現， mdv不同致病型的meq基因序列相對比較保守，它們相互間核苷酸和氨基酸序列的同源性均很高；但是，與所有七個致瘤性的mdv毒株相比，二個型弱毒疫苗cv1988 rispens株和814株均出現了兩個特徵性的突變：即第194位的p缺失性突變和第71位氨基酸由a變成了s的位點突變；缺失性突變恰恰位於meq基因中轉錄激活域內的一個多脯氨酸的重復序列（ pppp ）之中。
  17. Absorption of heavy metal ion by weak acidic phenolic resin

    弱酸型酚醛樹脂對重金屬離子的吸附
  18. Virtual instrument based on labview 7 express for determinating dissociation constant of weak acid by conductivity

    電導法測定弱酸離解常數的虛擬儀器
  19. When the weak acid is given orally, the concentration gradient for un - ionized drug between stomach and plasma tends to be large, favoring diffusion through the gastric mucosa

    當這種弱酸性藥物經口服給藥時，胃與血漿之間的非解離型藥物濃度梯度很大，從而有利於透過胃粘膜擴散。
  20. Peg and superfluous aa reaction by complete concatenation method, the esterify production " esterify water " and acid number were mensurated, it shows that the esterify reaction would be processed under 100 esterify temperature and with amine accelerantthe tide of esterify reaction was substantiated by ir. in the ir spectrum, the characteristic peak of hydroxy of peg and carboxyl of aa were weakened. and the ester link of peg was reinforce. the " esterify water " was increased gradually and the acid number of esterify production was debased gradually along with the extent of esterify time and the augmentation of molecular weight of peg

    通過聚乙二醇與過量的丙烯酸採用全連續法進行反應，測定酯化產物「酯化水」和酸值等宏觀手段反映出在胺類促進劑、 100的酯化溫度等條件下的酯化進程，而利用紅外光譜（ ir ）分析所反映的聚乙二醇的羥基和丙烯酸的羧基特徵峰減弱，而pea的酯基特徵峰加強等特徵進一步證實了宏觀手段所表現出來的酯化趨勢：隨著酯化時間的延長和聚乙二醇分子量的增大，產生的「酯化水」逐漸增加，酯化產物的酸值逐漸降低；從酯化時間看，當反應時間達到300min時，酯化物的酸值達到最小，而從ir分析來看，酯化物pea4的羥基峰在300min時減弱到最小， pea23在120min時羥基峰的表現出酯化基本完全。
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