種子交換 的英文怎麼說

中文拼音 [zhǒngzijiāohuàn]
種子交換 英文
exchange of seeds
  • 種 : 種名詞（姓氏） a surname
  • 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...
  • 交 : Ⅰ動詞1 （把事物轉移給有關方面） hand over; give up; deliver 2 （到某一時辰或季節） reach （a cert...
  • 換 : 動詞1. （給人東西同時從他那裡取得別的東西） exchange; barter; trade 2. （變換; 更換） change 3. （兌換） exchange; cash
  • 種子 : seed; semen; germ; grain; stock; spermo ; spermato ; gono 種子測定 seed testing; 種子處理 seed tr...
  1. The main phosphor - containing wastewater treatment methods are currently used in our country and these technological conditions and treatment effects are introduced, these methods including sedimentary, coagulative precipitation, absorptive, ion exchanging and biological methods

    摘要介紹了目前國內處理含磷廢水的主要方法，包括沉澱法、混凝法、吸附法、離子交換法和生物法，及其各種處理方法的工藝條件和處理效果。
  2. Strain bl21, and gene expression was induced by iptg. the target proteins were directed into the periplasmic space by the staphylococcal protein a signal sequence preceding the rgd - hirudin gene. using ion exchange chromatography and gel filtration chromatography, the chimera proteins were purified, and both of them showed a single band in tricine - sds - page. the results of activity analysis suggested that these two chimera proteins not only have antithrombin activities, but gain platelet aggregation inhibitory activities as well

    通過離子交換層析和凝膠過濾層分別對兩種嵌合體蛋白進行純化，純化產物在tricine - sds - page中都顯示為單一條帶。活性分析結果表明兩種嵌合體蛋白在保留水蛭素抗凝血酶活力的同時，還呈現抗血小板聚集活性。
  3. This enzyme was different with the ones reported in the past. a phosphatase was isolated from the chloroplast thylakoid membrane of ipomoea aquatica, by nacl extration, ammonium sulfate precipitation, ion - exchange chromatography and hydrophic chromatography through butyl - toyopearl 650m column

    使用nacl抽提、硫酸銨分步沉澱、離子交換和butyl - toyopearl650m疏水柱層析等方法，從蕹菜葉綠體類囊體膜中分離純化到一種蛋白磷酸酯酶。
  4. In the supergene zones of xialei manganese deposit in guangxi, south china, there is abundant resource of natural cryptomelane, which is well known as a manganese oxide octahedral molecular sieve having a well - defined 2 2 tunnel structure oms - 2 with k

    錳鉀礦是一種有孔道結構的錳氧化物八面體分子篩oms - 2 ，具有良好的催化氧化性和離子交換性。
  5. Huwentoxin xi ( hwtx ~ xi ), a serine protease ! inhibitor, consists of 55 amino acid residues with three disulfide bridges. the toxin was isolated from the venom of the chinese spider ornithochoctonus huwena by ion - exchange chromatogram - phy and reverse phase high performance liquid chromatography

    本文報道從虎紋捕鳥蛛（ ornithochoctonushuwena ）粗毒中，應用陽離子交換和反相高效液相色譜的方法分離到一種胰蛋白酶抑制劑，命名為huwentoxin - （ hwtx - ） 。
  6. A neurotoxic peptide ( named huwentoxin - v ) was purified from the venom of the spider by a combination of ion exchange chromatography and reverse phase hplc. hwtx - v has 35 amino acid residues, with the molecular mass 4111. 4da. the amino acid sequence has been determined as nh2 - ecrwylggcsqdgdcckhlqchsn - yewcvwdgtfs - cooh, which consists of 6 cys, formed three pairs of disulfide bridges

    本文報道從虎紋捕鳥蛛（ selenocoimahuwena ）粗毒中，結合陽離子交換和反相高效液相色譜分離純化出一種昆蟲毒素，命名為虎紋捕鳥蛛毒素- （ huwentoxin - ， hwtx - ） ；其天然突變體（ themutantofhuwentoxin ， mhwtx - ）也同時純化出來。
  7. In qcd description, pp elastic scattering is a gluon exchange process. in the other words, pp elastic scattering is a high energy multiple scattering of two quark - composite system. therefore, one can describe proton - proton elastic scattering by quark multiple scattering theory, such as glauber theory, although this mechanism cannot have vacuum quantum numbers requested by experiments

    一方面我們可以認為質子?質子彈性散射是一個膠子交換過程，另一方面我們也可認為質子?質子彈性散射是兩個夸克復合系統的多重散射過程，因此我們可以用夸克的多重散射理論，如glauber理論來描述質子?質子的彈性散射過程，雖然，這種機制不可能具有實驗所要求的真空量子數。
  8. Layered and pillared material are a kind of multifunctional material which were developed in recent years, much attention has been paid to this kind of material for its application in ion - exchange catalysts solid state proton conductivity, nonlinear optics and physic. a lot of literature have reported the intercalation behavior of a - zirconium phosphate ( abbreviated as a - zrp ), different guest molecules inserted into a - zrp have been studied in detail, those guest molecules include amine, alcohok amino acid protein, enzyme coornadiate compound and coronal compound. the intercalation guest is restricted by their size and basicity

    層柱材料是近年來發展起來的一類多功能材料，由於其在離子交換、催化、固態質子導體、非線性光學以及醫學等方面的廣泛應用而受到國內外研究者的重視，大量文獻報道了-磷酸氫鋯zr （ hpo _ 4 ） _ 2 ? h _ 2o （ - zirconiumphosphate ，縮寫為- zrp ）的超分子插層化合物及插層性能，其中對不同的客體分子對磷酸鋯的嵌入做了詳細的報道，客體分子的種類包括氨、醇、氨基酸、蛋白質、酶、配合物、冠狀化合物等。
  9. By means of static and dynamic experiments, lots of research on the effect of micro - quantity heavy metal ions ( hmi ) removal by weakly basic anion exchange resins ( wbaer ) from drinking water ( dk ) with alkali metals, alkaline - earth metals and anions at high concentration, has been done

    本文採用靜態和動態兩種試驗方法，對弱堿性陰離子交換樹脂在堿金屬、堿土金屬離子以及陰離子相對較高濃度的背景下去除飲用水中微量重金屬離子（以hg2 +為研究處理對象）的效果進行了大量試驗研究。
  10. Based on the dimensions, structures, shapes of the pores and the surface components of the porous minerals and rocks, this paper has summed up characteristics of typical porous minerals and rocks such as attapulgite, montmorillonite, sepiolite, zeolite and diatomite, and evaluated their application as filters, sorbents, ion exchangers and catalysts in environmental engineering

    本文從微孔的尺度、結構、形態、成分等表面固體特徵出發，概括性地論述了凹凸棒石、海泡石、蒙脫石、沸石、矽藻土等十幾種多孔結構礦物（巖石）在環境修復工程中用作過濾材料、吸附劑、離子交換劑和催化劑等材料時的基本特徵和使用時應注意的問題。
  11. After analyzing the preparation conditions and the result for precursors and products, temperature, time and li / na ratio were central factors that impacted the products " composition, structure and electrochemical properties if the medium ' s influence can be neglected

    在分析了離子交換反應的各種實驗條件及產物的結構和電性能后，認為如果忽略介質的影響，溫度、時間和li na配比是影響產物組成、結構和電性能的主要因素。
  12. 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的碳載體比表面積較大，表面含氧官能團數量較多，親水性較好，有利於前軀體在碳載體表面的吸附;選取異丙醇作為預凍液中的分散劑，有利於碳載體在前軀體溶液中的分散，容易實現前軀體離子在碳載體表面的穩定吸附和分散;使用酸性pt （ no _ 2 ） _ 2 （ nh _ 3 ） _ 2作為前軀體，可以使前軀體離子和碳載體表面的酸性含氧官能團發生離子交換反應，使得前軀體離子吸附量增大，分散更加均勻，以上三種因素的選取都可以得到催化活性更高的pt / c催化劑。
  13. 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的抑制過程得出影響抑制容量的主要因素主要是抑制柱的電流效率和離子交換膜的極限電流密度，因此採用中等交換能力的離子交換樹脂作為抑制室的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；在選用同種離子交換膜的前提下，可通過增加離子交換膜的有效面積達到提高極限電流的目的從而提高抑制柱的抑制容量，因此提出了多級抑制的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 ）的純水，並且具有穩定性高、分析結果準確等優點。
  14. Ion - exchange chromatography a type of chromatography in which the compounds are separated according to their acidity

    離子交換色譜法：是一種根據混合物酸度將其分離的色譜技術。
  15. Several preparation methods, including grafting polymerization, chemical modification of natural fibers and polymer blending method, are reviewed and the future research and development work on iefs is also proposed

    摘要綜述了離子交換纖維常見的幾種制備方法，包括接枝共聚改性法、原始纖維進行化學改性法、聚合物混合成纖法等，並對未來的研究發展方向進行了展望。
  16. Methanol fuel cell is a new type of energy conversion equipment based on proton exchange membrane fuel cell. it has been received widespread attention because it directly use methanol as fuel in fuel cell. at the same time, it has wide application in the future

    甲醇燃料電池是在質子交換膜燃料電池的基礎上發展起來的一種新型能量轉換裝置，由於直接將甲醇作為燃料電池的燃料，因而受到廣泛的關注，具有廣闊的應用前景，但是目前甲醇燃料電池的催化劑低的活性以及成本較高等問題限制了甲醇燃料電池的應用。
  17. Metal film resistor is widely applied in these fields such as outer space research, aviation, national defense, computer, and communication. high stability and high reliability is very important in these fields

    金屬膜電阻器是一種應用廣泛的通用電子元件，尤其在需要高穩定性、高可靠性的太空、航空、國防以及在電子計算機、通訊儀器、電子交換機中應用較多。
  18. Several kinds of inorganic solid proton conductors including zirconium phosphates, heteropolyacids ( hpa ) and hydrogen sulfates and three kinds of methods such as hybrid solid casting, exchange - precipitation process and sol - gel process which can incorporate the inorganic solid proton conductors in pems were introduced

    摘要主要介紹了目前摻雜質子交換膜用的幾種無機質子導體磷酸鋯、雜多酸、硫酸氫鹽等，並進一步介紹了將這些無機質子導體引入到聚合物中的3種摻雜方法：混合澆鑄法、離子沉澱法和溶膠凝膠法。
  19. Oxygen diffusion transport and electrochemical reaction in the oxygen cathode of alkaline fuel cell ( afc ) and pemfc have been expressed with the tffa model, including oxygen transferring in gas channel of gas diffusion layer and reaction layer, oxygen dissolution and diffusion in thin - film of reaction layer, oxygen reaction and diffusion in flooded - agglomerate of reaction layer and the conduction of electron and ion. numeric algorithm of the model equations is also obtained

    本文將tffa模型應用於堿性燃料電池（ afc ）和質子交換膜燃料電池（ pemfc ）陰極，推導出陰極各種傳遞和反應過程的描述方程，包括氧氣在氣體擴散層和反應層氣體通道中的擴散，氧氣在反應層薄膜中的溶解和擴散，氧在反應層浸漬聚集體中的反應和擴散以及電子和離子的傳導，並給出方程的數值解法。
  20. In this paper, six methods of ammonia - nitrogen wastewater physic - chemical denitrication treatment were infroduced, such as blow - removal, steam - abstraction, crystallization, chemical precipitation, chlorination and ion exchange. their mechanisms and engineering application were analyzed and studied respectively. several problems to be cared for in development and implemention of the wastewater treatment techniques were pointed out

    介紹了吹脫法、氣提法、結晶法、化學沉澱法、氯化法、離子交換法6種常用的氨氮廢水物化法脫氮處理技術和工程應用情況，並指出了在開發和實施氨氮廢水脫氮處理技術（工程）時需要注意的問題。
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