水的離子積 的英文怎麼說

中文拼音 [shuǐdezi]
水的離子積 英文
ion-product constant of water
  • : 名詞1 (由兩個氫原子和一個氧原子結合而成的液體) water 2 (河流) river 3 (指江、河、湖、海、洋...
  • : 4次方是 The fourth power of 2 is direction
  • : Ⅰ動詞1 (離開) leave; part from; be away from; separate 2 (背離) go against 3 (缺少) dispens...
  • : 子Ⅰ名詞1 (兒子) son 2 (人的通稱) person 3 (古代特指有學問的男人) ancient title of respect f...
  • : Ⅰ動詞(積累) amass; store up; accumulate Ⅱ形容詞(長時間積累下來的) long standing; long pending...
  • 離子 : [物理學] ion
  1. The volume of a solution of a salt is generally less than the sum of the unmixed volumes of the salt and the water, because of the tight packing of water molecules in the salvation shell around the ions.

    鹽溶液一般都小於未混合時鹽之和,因為緊密地堆周圍溶劑化層中。
  2. According to the thermodynamics analysis of spontaneous mineral of iron, we assumed : when sewage disposal, if sulphur is eliminated prior, this makes the consistency of iron ' s ion keep high relatively, it will react with phosphorus, produce heterosite, vivianite precipitate. this will decrease the interior load of the phosphorus in sediment, and reduce the consistency of the phosphorus in the dianchi lake

    根據鐵自生礦物熱力學分析,提出設想:如果在污處理時,優先脫硫,就使鐵濃度保持較高,與磷生成磷鐵礦、藍鐵礦沉澱,就可以減輕沉物中磷內源負荷,進而降低滇池湖濃度。
  3. Using diethanolamine as aminating agent and glacial acetic acid as neutralizing agent, aminated epoxy acrylic cationic resin was prepared. the effect of technology of aminated epoxy acrylic resin on properties of eletrodeposition was studied by conductivity meter and electrophoresis apparatus. it was shown that, conductivity firstly decreased, and then increased with aminating temperature increase. in contrast with putting polyacrylic resin into thin acetic acid solution, the more compact film could be achieved by neutralizing polyacylic resin with glacial acetic acid and then add it into water. when neutralizing temperature was enhanced, the speed of electrodepsidon was found to increase, and the film was also more compact. increasing the dn leads to enhanced conductivity and smaller particle size. when dn equaled to 80, the smoothest film could be achieved

    以二乙醇胺為胺化劑、冰醋酸為中和劑,合成了胺化環氧丙烯酸陽樹脂.採用電泳儀和電導率儀,研究了胺化環氧丙烯酸樹脂合成工藝對陰極電泳塗料電沉影響.結果表明,隨著胺化溫度增加,電泳液電導率先下降後上升.將冰醋酸加入樹脂中中和,後用稀釋,比樹脂在醋酸稀溶液中中和,電沉性能更好.電沉速率隨著中和溫度上升而增加,電沉膜緻密性相應增加.中和度( dn )愈高,電泳液電導率愈大,粒徑越小,而塗膜外觀在中和度為80時達到最佳
  4. Abstract : the dynamic interfacial tension at crude oil / water interface was studied by drop volume method at different temperatures and concentration of demulsifier

    文摘:採用液體體法測定了原油/體系在不同溫度和不同破乳劑濃度下非平衡態界面張力,並對相不同價態對界面張力影響進行了研究。
  5. Through the comparison between freeze - drying and heat - drying, the agglomeration and the desorption of the precursor on carbon support can be alleviated with freeze - drying method. the effects on the electrocatalysts by pretreatments of carbon support, dispersant and precursor are studied. the result shows that pretreatment of the carbon support by kmno _ 4 can add oxygen - containing functional groups on the surface of carbon, which can reduce the hydrophobicity of the carbon support, and then make it much easier for carbon to dissolve in water to form suspension ; isopropyl alcohol can make the carbon support in high dispersion in the precursor solution, which can make the precursor absorbed on the surface of the carbon

    採用高錳酸鉀氧化預處理碳載體比表面較大,表面含氧官能團數量較多,親性較好,有利於前軀體在碳載體表面吸附;選取異丙醇作為預凍液中分散劑,有利於碳載體在前軀體溶液中分散,容易實現前軀體在碳載體表面穩定吸附和分散;使用酸性pt ( no _ 2 ) _ 2 ( nh _ 3 ) _ 2作為前軀體,可以使前軀體和碳載體表面酸性含氧官能團發生交換反應,使得前軀體吸附量增大,分散更加均勻,以上三種因素選取都可以得到催化活性更高pt / c催化劑。
  6. According the key factors we find, we bring forward a new conception : multilevel suppressor and design a new high performance suppressor whose ion - exchange membrane has bigger areas and using three electrodes including one cathode ( anode ) and two anodes ( cathode ), at the same time we fill the suppression compartment with one kind of ion exchange resin which has moderate exchange capacity. according to our experiment ' s results, we find the new type suppressor has quite high working current efficiency and suppressing capacity. in most cases, the suppressor ' s current efficiency is over 90 % ; the suppressor can transform the naoh ( concentration : 200mmol / l, flow rate : i. oml / min, conductance : over 10000 i - i s cm " ) to pure water ( conductance : 8. 9 it s cm in chapter 3, the high performance suppressor is applied in determination some trace - amounts ions in plating solution, sewage. in this chapter, we also have a research on the gradient ion chromatography

    第二章首先以xyz - 1型電化學抑制柱為例,分析了電化學抑制柱抑制過程得出影響抑制容量主要因素主要是抑制柱電流效率和交換膜極限電流密度,因此採用中等交換能力交換樹脂作為抑制室填料以提高電流效率,在通常情況下電流效率可達到90以上;在選用同種交換膜前提下,可通過增加交換膜有效面達到提高極限電流從而提高抑制柱抑制容量,因此提出了多級抑制概念並據此研製了共電極式高容量電化學抑制柱,該抑制柱最高可將流速為1 . 0ml / min ,濃度為200mmol / l電導率超過10000 s ? cm ~ ( - 1 )氫氧化鈉溶液抑制為電導率低至8 . 9 s ? cm ~ ( - 1 ),並且具有穩定性高、分析結果準確等優點。
  7. If they are accumulated to a considerable level, elimination of these ions can be carried out by an addition of strong reducing agent such as hydrazine

    如果他們累到相當大平,要除去這些是可以透過增添像聯氨這樣強還原劑來完成。
  8. We suspected that c. demersum l. was inadequate used as a single bioaccumulator. while c. caroliniana a. could tolerate the higher lever of cu2 +, it is advised to be a better selection to phytoremediation. when the two submerge macrophytes were planted together in cu2 + solution, the respective bcf of copper in two plants increased and the toleration of c. demersum l. was enhanced slightly

    盾草體內富集銅含量可以達到61 . 0mg kg ;金魚藻對銅耐性很低,且葉片受到銅脅迫時容易脫落,不適合作為銅濃度高生物修復植物,盾草對銅耐性較高,適合應用於含銅生物修復;金魚藻和盾草共同培養時,植物體內對銅累量有所增加,金魚藻對銅耐性也略有提高。
  9. The latter electrode is made by a 3 - electrode system with cv voltage. in the system, ta foil is acted as the working electrode, a pt foil as the assistant electrode and ag / agcl electrode as the reference electrode. stuff rucl _ 3 ? nh _ 2o is confected into electrolyte. after electrolyzing with cv voltage, ru ion can deposit on ta foil in the fashion of hydrated ru compound

    在循環伏安法中,用原料合三氯化釕配製成電解液,將鉭片作工作電極、鉑片作輔助電極、銀/氯化銀電極作參比電極組成三電極系統,向電解池通入循環伏安電壓進行電解,使釕合釕化物形式沉在鉭基體上。
  10. In the third chapter of this thesis, the nickel electrodeposition process in leaching solution containing ammonia and chloride was summarized, and the electrochemical behaviour of nickel electrodeposition in ammonia complex bath was investigated by measuring polarization curves. the effects of total nickel, ammonia, ammonium chloride concentrations in the electrolyte as well as its anion species and temperature were studied systematically

    在第三章中首先對氨絡合物體系電金屬鎳工藝進行了總結,並通過極化曲線測量,對氨絡合物體系中鎳陰極電沉電化學行為進行了研究,系統探討了溶液中總鎳濃度、氨濃度、氯化銨濃度、陰及溫度等工藝條件對鎳陰極還原影響,而後著重對電反應機理進行了研究。
  11. Abstract : plant responses to salt stress via a complex mechanism, including sensing and transducing the stress signal, activating the transcription factors and the corresponding metabolizing genes. since the whole mechanism is still unclear, this review emphasize the biochemical events during the plant adaptation to salt stress referring to an index of importance : the homeostasis in cytoplasm, the biosynthesis of osmolytes and the transport of water. most of these biochemical events were elucidated by study of halophyte and salt - sensitive mutations, also many important genes involved were cloned and used to generate stress - tolerance phenotypes in transgenic plants. on the other hand, about the molecular mechanism in signal transduction, the research of arabidopsis mutations and yeast functional complementation provided helpful traces but not full pathway

    摘要植物對鹽脅迫耐受反應是個復雜過程,在分平上它包括對外界鹽信號感應和傳遞,特異轉錄因激活和下游控制生理生化應答效應基因表達.在生化應答中,本文著重討論負責維持和重建平衡膜轉運蛋白、滲調劑生物合成和功能及分控制.這些生理生化應答最終使得液泡中濃度升高和滲調劑在胞質中累.近年來,通過對各種鹽生植物或鹽敏感突變株研究,闡明了許多鹽應答轉運途徑、通道和物種特異滲調劑代謝途徑,克隆了其相關基因並能在轉基因淡植物中產生耐鹽表型;另一方面,在擬南芥突變體及利用酵母鹽敏感突變株功能互補篩選得到一些編碼信號傳遞蛋白基因,這些都有助於闡明植物鹽脅迫應答機制。
  12. The air anion bar ' s feature of mount huangshan is : the air ion appraisement coefficient is big, the maximum is 351. 37, the single cofficienl of air ion is small, the minimum is only 0. 09 ; in summer air ion density is high ; when the forest vegetation coverage rate is high ; the area of the natural air anion bar of mount huangshan is not only large, but it " s also distributes to the mountain peak, the distribution area of summit is small

    黃山風景區天然氧吧特徵是:空氣評議系數大,最高達351 . 37 ,空氣單極系數小,最小隻有0 . 09 ;夏季大氣濃度高;天然氧吧在風景區面不僅大,而且從山腳至山頂都有分佈。黃山天然氧吧成因主要源於豐富森林植被、良好文條件。
  13. The distribution characteristics of the metals from the intertidal sediments of jiaozhou bay ( 1 ) the results shown that, the available concentraion of zn is ranged 53. 88 - 143. 21 g / g ( dry weight ), cu is ranged 18. 56 - 65. 34 g / g ( dry weight ), cr is ranged 10. 82 - 105. 49 g / g ( dry weight ), pb is ranged 2. 14 - 31. 92 g / g ( dry weight ), cd is ranged 0. 04 - 0. 836 g / g ( dry weight ), hg is ranged 0. 005 - 0. 115 g / g ( dry weight ), eh is ranged - 307. 9 - 84. 4mv, ph is ranged 7. 589 - 8. 019, the sediment in jiaozhou bay is featured by reduction, so the sediment of jiaozhou bay deposied well

    分析儀測得沉物中重金屬相關參數氧化還原電位eh范圍為307 . 9 84 . 4mv , ph范圍為7 . 589 8 . 019 ,說明膠州灣沉物有較強還原性,重金屬沉較好。為將汞相對于濕樣含量轉化為相對于干樣,測得沉物含范圍為23 . 2 34 . 8 。
  14. Ion - product constant of water

    水的離子積
  15. Water cement ratio and mixing fly ash or slag into concrete effect on ability of resisting chloride penetrating that are considered in the model. the effect of environment that include temperature, relative humidity and cumulating of surface chloride concentration of concrete are also considered. moreover, chloride diffusion changing with time is included in this model as well as

    模型中考慮灰比和混凝土配合比(摻入不同量粉煤灰和礦渣)變化對混凝土抵抗氯侵蝕能力影響,同時考慮溫度、相對濕度和表面氯濃度累變化等環境因素對氯侵入混凝土過程影響,以及氯擴散系數隨時間變化。
  16. Au. the influence of several variables such as gold and cosolvent concentrations, shaking times, the ratio of tdmba and gold on the extraction of gold and the water concentration of the organic phase were studied. while the cosolvent ratio is more than 10 %, in the tdmba system, gold was extracted completely. the gold extraction mechanism was discussed on the bases of water concentrations of organic phases and infrared spectrum. it was found that the aggregation ratio of tdmba and au

    等因素對萃取率影響,並研究了有機相連續萃取有機相金含量與含量關系。結果表明,助溶劑體比10 %以上時,十四烷基二甲基芐基氯化銨對金具有萃取能力強,平衡時間短特點。季銨鹽陽與au cn
  17. By the design of microwave electric field mode and microwave mode converter ( mmc ), the thesis participated in equipping an domestic microwave plasma chemical vapor deposition ( mpcvd ) equipment with a quartz glass window and water - cooled stainless steel resonant chamber in 2450mhz / 5 kw, introduced the basic machineries and functions of the sub - systems, including microwave system, gas - route system, vacuum system, detecting system and safeguard system

    論文通過微波場型和模式轉換器設計,參與建立了一套2 . 45ghz 5kw帶有石英玻璃窗、冷卻不銹鋼諧振腔微波等體化學氣相沉( mpcvd )系統( mpcvd - 4型) 。論述了包括微波系統、氣路系統、真空系統、檢測系統和保障系統等結構組成及基本功能。
  18. It has big surface loaded and can heat the water medium quickly to meet the washing request. adopt inside fuser and outside water temperature sensor to make the heater securely. the surface of the heater with special bright treatment can reduce the adhesive force of the calcium ion and further reduce to produce the scale and prolong the life

    本加熱器是洗衣機中加熱用,其表面負荷較大,體小,能使介質快速加熱,以滿足洗滌要求。加熱管採用內置熔斷器及外裝溫傳感器,增強加熱器使用安全性,加熱管表面經特殊光亮處理,使鈣附著力減小,從而減少產生,延長使用壽命。
  19. Based on analysis of magnetic effect mechanism of alluvial cohesive soil, according to the distribution and character of river alluvial cohesive soil of first and second terrace of yongjiang river of nanning, pore water chemical characteristic, especially total iron content in pore water and holding form of iron ion in pore water, this text preliminarily divides the river alluvial cohesive soil of first and second terrace of yongjiang river of nanning into two magnetic effect region : reinforced region and weaker region of magnetic effect

    摘要在分析粘性土磁效應機理基礎上,根據? 、級階地河流沖相粘性土分佈及其特性和孔隙化學特性,尤其是孔隙總鐵含量以及鐵賦存形式,將南寧市邕江? 、級階地河流沖相粘性土初步劃分為磁效應強化區、磁效應較弱區兩個磁效應區。
  20. The latter measurements provide definitive evidence that mercury ' s magnetosphere ? despite its small size ? is not a vacuum but hosts significant densities of heated solar wind plasma

    後者測量提供確切證據表明,磁層-盡管它體小-是不是一個真空,但東道主密度顯著激烈太陽風等體。
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