離子活度積 的英文怎麼說

中文拼音 [lízihuódùjī]
離子活度積 英文
ion activity product
  • 離 : Ⅰ動詞1 （離開） leave; part from; be away from; separate 2 （背離） go against 3 （缺少） dispens...
  • 子 : 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...
  • 活 : Ⅰ動詞1 （生存; 有生命） live 2 [書面語]（救活） save （the life of a person）:活人無算 （of a goo...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 積 : 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. When sn2 + concentration in the bath is lower, sn2 + activity is not enough causes slow deposition rate and slow growth rate of crystallizing nucleus, so crystalline granularity deposited is smaller ; when sn2 + concentration in the bath is higher, the dispersive ability of the bath decreases and the surface quality of the deposits sets worse

    鍍液中sn ~ （ 2 + ）濃度較低時，離子活度不夠，沉積速度慢，晶核成長速度慢，使沉積的晶粒粒度較小； sn ~ （ 2 + ）濃度過高，鍍液分散能力降低，使鍍層的表面質量下降。
  2. Al - doped zno thin films are emerging as an alternative potential candidate for ito flims recently. al doped zno thin films also can obtain a tunable band gap. especially, zno : al thin films with high c - axis orientated crystalline structure along ( 002 ) plane are potential device applications in broadband ultra - violet

    Al摻雜的zno薄膜不僅具有與傳統ito薄膜相比擬的光電性質，而且原材料豐富、價格低、無毒、沉積溫度低、熱穩定性高，在氫等離子體環境中具有很高的化學穩定性，不易導致太陽能電池材料活性降低。
  3. The result shows that argon gas can not only promote the excitation of plasma at low pressure, but also improve discharge state, increase the density and activation of reaction radical and improve the quality of diamond films. on the other side, argon can cool the plasma and maintain low temperature of substrate due to its big ionization section and high collision probability with gas molecules

    結果表明，氣體系統中引入氬氣一方面不僅有利於維持低壓放電，而且改善放電狀態，提高反應活性基濃度和活性，提高低溫沉積金剛石膜的質量；另一方面，由於其大的電離截面使其和電子碰撞的幾率大大提高，對等離子體進行冷卻，有利於基片溫度的降低。
  4. 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

    摘要植物對鹽脅迫的耐受反應是個復雜的過程，在分子水平上它包括對外界鹽信號的感應和傳遞，特異轉錄因子的激活和下游控制生理生化應答的效應基因的表達.在生化應答中，本文著重討論負責維持和重建離子平衡的膜轉運蛋白、滲調劑的生物合成和功能及水分控制.這些生理生化應答最終使得液泡中離子濃度升高和滲調劑在胞質中積累.近年來，通過對各種鹽生植物或鹽敏感突變株的研究，闡明了許多鹽應答的離子轉運途徑、水通道和物種特異的滲調劑代謝途徑，克隆了其相關基因並能在轉基因淡水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的基因，這些都有助於闡明植物鹽脅迫應答的分子機制。
  5. The paper studied three aspects of extracelluar enzymes in sediments of the tidal flat wetland, namely 1 ) the distibution of five sorts of extracellular enzymes in sediments in the east end of chongming island along the elevation gradient or community succession series, the relationships between the activities of enzymes and the ecological factors, and functions of extracellular enzymes in the process of community succession ; 2 ) the effects of the heavy metal ions and edta on the activity of alkaline phosphatase in sediments of the east end of chongming island by adding and removing of heavy metal ions, discussing whether the activities of extracellular enzymes could be taken as the indicators for the environmental status ; 3 ) the variations of the activities of extracellular enzymes in sediments in the east end of hengsha island after the discarding clay

    本文以長江口典型濕地?崇明東灘為例，首次研究了沿高程梯度或沿植被演替系列沉積物中堿性磷酸酶等五種胞外酶活性的空間分佈規律，分析了胞外酶活性與環境因子的相互關系及其產生機制，討論了胞外酶活性在濕地植被演替中的作用。同時以崇明東灘沉積物為對象，運用重金屬離子的添加和去除等方法，研究了重金屬離子對沉積物中堿性磷酸酶活性的影響，利用胞外酶活性的變化探討了崇明東灘重金屬污染的狀況。此外，本文還研究了橫沙東灘吹泥試驗工程對沉積物環境因子和胞外酶活性的影響並進行了對比分析。
  6. The experimental results show that the resultant amorphous v2o5 under the optimum preparation conditions has high purity and large specific surface, which is an ideal active cathode material for lithium ion battery

    實驗結果表明，在最佳條件下所得產物純度高，比表面積大，是鋰離子電池正極材料的理想活性物。
  7. The properties of cn thin films such as their morphology, component, crystal structure and the bonding structure and the relation between those properties and the gas - phase reaction parameters were discussed, showing that the deposition of p - c3n4 thin film is the compete result of various reaction processes in the dynamics balance conditions ; the process of cn films depo sition is diagnosed in situ through the optical emission spectra technique, the effects of experimental parameters on the concentration of the precursors and the gas - phase reactions in the plasma have been obtained ; the main reaction precursors for film deposition identified ; the relation between the characteristics of cn thin films and the reaction process in the plasma is analyzed. the cn thin films deposition under different substrate temperatures in high pressure pe - pld shows that the si atom of the substrate has participated the cn films growth process, based on this the growth mode of cn thin films on the si substrate is proposed. the further experiment of cn thin films deposition on si substrate scratched by diamond as well as covered with fe catalyzer has been attempted, which indicates that changing the dynamics conditions of the surface reaction can alter the growth characteristic of the cn thin films and can enhance obviously the films growth rate

    採用pld技術進行了碳氮化合物薄膜沉積，得到了含氮量為21at的cn薄膜；研究了襯底溫度和反應氣體壓強對薄膜結構特性的影響，給出了cn薄膜中n含量較小、 sp ~ 3鍵合結構成分較少和薄膜中僅含有局域cn晶體的原因；引入脈沖輝光放電等離子體增強pld的氣相反應，給出了提高薄膜晶態sp ~ 3鍵合結構成分和薄膜的含n量可行性途徑；應用pe - cvd技術以ch _ 4 + n _ 2為反應氣體並引入輔助氣體h _ 2 ，得到了含n量為56at的晶態cn薄膜；探討了cn薄膜形貌、成分、晶體結構、價鍵狀態等特性及其與氣體壓強和放電電流的關系，證明了- c _ 3n _ 4薄膜沉積為滿足動力學平衡條件的各種反應過程的競爭結果；採用光學發射譜技術對cn薄膜生長過程進行了實時診斷，得到了實驗參量對等離子體中活性粒子相對濃度和氣相反應過程的影響規律，給出了cn薄膜沉積的主要反應前驅物，揭示了cn薄膜特性和等離子體內反應過程之間的聯系；採用高氣壓pe - pld技術研究了不同襯底溫度條件下cn化合物薄膜的結構特性，揭示了si原子對薄膜生長過程的影響，給出了si基表面碳氮薄膜的生長模式；在金剛石研磨和催化劑fe處理的si襯底上進行cn薄膜沉積，證明了通過控制材料表面動力學條件可以改變碳氮薄膜結構特性，並可顯著提高晶態碳氮材料的生長速率。
  8. Aqueous fluid volume and [ c1 ~ j were assayed in samples withdrawn by micropipettes. intraocular pressure ( top ), pressure - dependent outflow, and anterior chamber compliance were determined from pressure measurements in response to pulsed and continuous fluid infusions into the anterior chamber using micropipettes. result : in wildtype mice ( gdi genetic background, age 4 - 6 weeks ), iop was 16. 0 ? 0. 4 mmhg, aqueous fluid volume was 7. 2 ? 0. 3 ul, aqueous fluid production was 3. 6 ? 0. 2 ul / hr, aqueous fluid outflow was 0. 36 ? 0. 06 ul / hr / mmhg, and anterior chamber compliance was 0. 036 ? 0. 006 ul / mmhg ( mean ? se, 8 - 10 eyes )

    實驗方法包括：將熒光物質用電離子滲透的方法穿透角膜導入活體小鼠的前房中，然後應用共聚焦顯微鏡根據熒光強度變化測量房水生成率；通過顯微注射針吸取房水檢測房水容積和氯離子濃度；顯微玻璃管刺入前房測量眼內壓，並將生理鹽水分別以連續和脈沖兩種方式注入前房，測量房水間隙的順應性和房水排出與眼內壓的相關性。
  9. Disturbance of the fluid microenvironment due to defects or abnormal regulation of these ion channels as causes for a number of pathological conditions, such as ovarian hyperstimulation syndromes, hydrosalpinx and infertility, is also discussed

    同時對因離子通道失活或失調引起的雌性生殖道內液體微環境穩態失衡導致的一系列病理改變，如卵巢過度刺激綜合征、輸卵管積水以及不孕提出了新的見解。
  10. Since viscosity of emulsion is important to elm separation process, it is necessary to research the viscosity of emulsion. during the study of separation of copper in the model industry waste by emulsion liquid membrane, some operating parameters are investigated, including the value of ph in the external phase, the concentration of acid in the internal phase, the concentration of copper in external phase, the concentration of surfactant, the kinds of carriers in the membranes phase as well as the concentration of carriers

    對乳液膜體系分離銅離子的研究，主要是考察分離條件（如外水相的ph 、內水相酸的濃度，外水相銅離子的濃度，載體種類、載體濃度、表面活性劑的濃度等）對銅離子提取程度的影響，通過實驗得到，外水相的ph值是乳液膜分離銅離子的一個重要原因，這主要是由於cu （ oh ） _ 2溶度積和界面反應的化學平衡決定的。
  11. In this research, nanosize tio2 were prepared by wet chemistry method. the effects of technical condition, ion doping and noble metal modification on crystal structure of ti02, crystal size and its distribution, spectrum and photocatalytic activity were studied in order to prepare nanosize tio2 of high photocatalytic activity. effect factors such as temperature in photocatalytic process were also studied

    本工作選用濕化學方法制備納米tio _ 2光催化劑，研究制備工藝條件、離子摻雜和貴金屬沉積等對納米tio _ 2晶體類型、粒徑大小及分佈，光譜性質和光催活性的影響規律，以期研製出具有高光催化活性的納米tio _ 2光催化劑；同時研究光催化過程中光催化環境溫度等因素對光催化活性的影響規律。
  12. It has discovered for the first time that the precursor b - ni1 - xcox ( oh ) 2, with pluffy and dendritic morphology, high specific surface area and low tap density, is the best starting material to produce lini1 - xcoxo2 materials, but not the presently thought that high density and spherical particle of ni ( oh ) 2 is fitting for the preparation of ni - cathode materials. using our own precursor can greatly reduce the degree of cation mixing ; improve the electrochemical properties of the aimed materials

    發現表面蓬鬆、比表面積高和密度低、呈枝晶狀排列的- ni _ （ 1 - x ） co _ x （ oh ） _ 2前驅體具有較高的化學活性，制得的目標材料可有效抑制陽離子混排產物的生成，而非目前廣泛認為的高密度球形ni （ oh ） _ 2適合作鎳系正極材料的前驅體。
  13. Some new materials was summarized and diffusion performance of the lithium ion, particle distribution, grain size, and specific surface area, etc, were analyzed

    討論了最新的材料研究進展，分析了鋰離子在活性材料中的擴散性能、電極材料粒度分佈及粒徑大小、比表面積等因素對鋰離子電池大電流放電性能的影響。
  14. At lower growth temperature, the lower extracting rate of carbon atoms from catalyst particles due to the lower activity of the catalysts resulted in more defects formed in carbon nanotubes. moreover, the lower transportation rate of carbon atoms in catalyst particles also made lots of carbon atoms deposited on the surfaces of grown carbon nanotubes, or on carbon wrapped catalyst particles, even to form amorphous carbon layers

    在較低溫度時，由於催化劑的活性較低，導致石墨面在生長過程中引入的缺陷較多；另一方面，碳原子在催化劑顆粒內遷移速率較低，使得多餘的游離態碳原子（或原子團）可能在納米碳管表面以非晶形式沉積，或者包覆催化劑使其「中毒」失去催化活性，或者直接形成非晶的碳納米顆粒。
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