液體的選擇 的英文怎麼說

中文拼音 [yètǐdexuǎnzhái]
液體的選擇 英文
fitting of fluids
  • 液 : 名詞（液體） liquid; fluid; juice
  • 體 : 體構詞成分。
  • 的 : 4次方是 The fourth power of 2 is direction
  • 選 : Ⅰ動詞1. （挑選） select; choose; pick 2. （選舉） elect Ⅱ名詞（挑選出來編在一起的作品） selections; anthology
  • 擇 : 擇動詞（挑選） select; pick; choose
  • 液體 : liquid; liquor; fluid
  • 選擇 : select; choose; opt; election; choice; culling; alternative
  1. It ’ s a medical treatment equipment of high capability but low price. this thesis chooses a discal peristaltic pump and put forward amelioration schemes based on analysis of trait of transfer pump in common use presently and selects stepper motor as drive motor. in order to reduce the whole volume, the pcb board integrates stepper motor drive circuit, keyset, alarm circuit and lcd

    本文在分析目前常用輸液泵的優缺點的基礎上，選擇dg - 1盤狀蠕動泵，並進行了結構改進;選擇步進電機作為輸液泵的驅動電機，為縮小整體的體積，將步進電機的驅動電路、按鍵、 lcd和報警電路集成到單板上。
  2. Choice of stabilizer in emulsion systems has always been rather empirical.

    在乳液體系中，穩定劑的選擇往往憑經驗。
  3. Some main results of testing research were as fellows : i. in the course of testing of leaching zinc dross, leaching zinc dross by sulfuric acid was researched and the effects on the leaching rate of the zinc dross were analyzed by author, the optimum conditions of leaching testing of zinc dross were determined as fellows : liquid - solid ratio 6 : 1, stirring ratio 250r / min, granularity 120 mesh, the soaking time 5h, the concentration of sulfuric acid of 30 %, and under these conditions, the rate of leaching zinc is above 92. 0 %. ii. in the course of testing of purification, on the basis of comprehending and comparing all present methods of the manganese - removal and iron - removal, the oxidizing method of manganese - removal in zinc sulfate solution using ammonium persulfate was put forward and the oxidizing method of iron - removal in zinc sulfate solution using the goethite process and oxidation - hydrolysis process was adopted

    研究的主要結果具體如下： 1 、研究了硫酸浸出鋅浮渣並分析了影響浸出率的各種因素，確定了浸出鋅浮渣的最佳條件為：液固比為6 ： 1 ，攪拌速度為250r min ，粒度為- 120目，酸浸時間為5 . 0h ，硫酸濃度30 ，鋅浮渣的浸出率大於92 . 0 ； 2 、在綜合和比較了目前除錳和除鐵的各種方法基礎上，提出了過硫酸銨氧化除錳方法和選擇了針鐵礦-氧化水解聯合法除鐵方法，並分析和討論了影響除錳率和除鐵率等各種因素，確定了除錳的條件為：溫度90 ， ph值5 . 4 ，反應時間3h ，過硫酸銨達到理論值的1 . 2倍，除錳率超過99 . 86 ；聯合法除鐵的條件為：氧化反應時間1 . 5小時、溫度控制在90 92 、 ph值5 . 2 5
  4. First, according to the design requirement of hydraulic valve, the particular parameter of the valve is put forward, and the navier - stokes equation of the two - dimension impressible viscid fluid in the hydraulic valve is set up

    本文選擇液壓閥中的溢流閥為具體研究對象。根據溢流閥的性能要求，確定了閥的具體參數，完成了溢流閥的設計。
  5. A lot of experiments have been done in the process of exploiture soft packaging li - ion battery about how to choice the rational arts and crafts. the content include : how to deal with the collector, add how much pvdf in the material, how long the material need to stirring and the right viscidity, how much condubtivity agent the electrode need, what theckness is best, choice different collectors, the degree of dryness of the electrode, theckness of pressed model, how much electrolyte will be added, placement how long after added the electrolyte, system of formation how to influnce the battery, in formation the battery need or not need preesure from outside, how to vacuumize and the optimize matching positive pole and negative pole. with these practice make sure the parameter of the positive pole should less than 90 m ; according to different vacuumize order the conduc - tivity agent in anode will be 5mass % and 9mass %, respectively, and in cathode the data is 2mass % ; every 100mah added to 0. 4 ml electrolyte ; before formation the battery should be placement 8 hours and the system of formation must be less than 0. 01c before the voltage reach to 3. 0v ; should press in outside when battery in formation ; to these batteries which capacity more than 350mah the vacuum time not excess 15s ; the optimize matching positive pole and negative pole between 2. 10 : 1 and 2. 15 : 1. finally make out the battery which cycling performance and security are all very well

    液態軟包裝鋰離子電池的研究主要是對關鍵工藝進行了優化設計，具體包括:集流體的處理、 pvdf的加入量、漿料攪拌時間和粘度、導電劑的加入量、電極膜的厚度、不同集流體的選擇、電極膜的乾燥程度、壓型的厚度、電解液的加入量、注入電解液后靜置時間的長短、化成制度的影響、化成時電池所具有的壓力影響、抽真空的處理、正負極活性物質的匹配。最後確定出液態軟包裝鋰離子電池最佳工藝參數:正極膜的厚度小於90 m ;根據化成時不同抽真空順序，確定正極膜中的導電劑的加入量分別為5mass %和9mass % ;負極膜中導電劑的加入量為2mass % ;電解液的加入量為每100mah添加0 . 4ml ;化成前電池的靜置時間應當大於8h ;電池在3 . 0v之前採用小於0 . 01c的化成制度;在化成過程中應當施加一定的外部壓力;對於350mah的電池抽真空的延時不應大於15s ;而正負極活性物質的質量比應當在2 . 1 : 1 2 . 15 : 1之間。
  6. In liquid dehumidification system, the choice of the packing, the structure of the dehumidifier, directly influenced the efficiency of dehumidifier

    在液體除濕系統中，填料的選擇、除濕塔結構的確定等因素直接影響系統的除濕效果。
  7. Traditional hydronic sizing methods can be used for selecting pumps, expansion tanks, heat exchangers, and air removal devices, as long as the heat transfer liquid ' s thermal properties are considered

    傳統的液體循環加熱體量法在泵、蒸發器、熱交換器和空氣移動裝置的選擇中可以應用，在考慮載熱流體的熱血特性的情況下。
  8. According to the request of this subject, we have developed the system hardware and software for the slave device and the inspection software running on the pc. in this paper all of the followings is illustrated detailedly, such as the research on the principles of measurement and its realization, three means of water - level measurement that are separately based on photo electricity coder, pressure sensor and potentiometer ; selection of the microchip, we choose an advanced integrated soc ( system on chip ) microchip c8051f021 as the main controller ; realization of signal sampling, processing and its conversion in the mcu ; application of high precision 16 bits adc cmos chip - - ad7705 in our system, designing its interface with the microchip and relevant program ; using a trickle charge timekeeping chip ds1302 in the system which can provide time norm and designing of its i / o interface and program ; additionally, a 4 ~ 20ma current output channel to provide system check - up using ad421. in the system, ad421, ad7705 and the microchip compose spi bus ; to communicate with the master pc, here we use two ways which are separately rs232 and rs485 ; moreover, there are alarm unit, keyboard unit, power supply inspection unit and voltage norm providing unit in the system

    針對研製任務的要求，課題期間研製了下位機系統硬體和軟體，開發了上位機監控軟體，其中所作的具體工作包括：測量原理的研究和在系統中的實現，在本次設計中用三種方法來進行水位測量，分別是旋轉編碼器法、液位壓力傳感器法和可變電阻器法；主控晶元的選擇，我們選用了高集成度的混合信號系統級晶元c8051f021 ；實現了信號的採集和處理，包括信號的轉換和在單片機內的運算；高集成度16位模數轉換晶元ad7705在系統中的應用，我們完成了它與單片機的介面設計及程序編制任務；精確時鐘晶元ds1302在系統中的應用，在此，我們實現了用單片機的i o口與ds1302的連接和在軟體中對時序的模擬，該晶元的應用給整臺儀器提供了時間基準，方便了儀器的使用；另外，針對研製任務的要求，還給系統加上了一路4 20ma模擬信號電流環的輸出電路來提供系統監測，該部分的實現是通過採用ad421晶元來完成的，本設計中完成了ad421與單片機的spi介面任務，協調了它與ad7705晶元和單片機共同構成的spi總線系統的關系，並完成了程序設計；與上位機的通信介面設計，該部分通過兩種方法實現： rs232通信方式和rs485通信方式；系統設計方面還包括報警電路設計、操作鍵盤設計、電源監控電路設計、電壓基準電路的設計。
  9. A novel aqueous two - phase system can be formed by the mixtures of a polymer and cationicanionic surfactants. such a system can be used as a partitioning system of proteins. in this work, we investigated the formation, phase behavior and protein partitioning in aqueous two - phase systems formed by dodecyltriethylammonium bromide / sodium dodecylsulfate / peg and dodecyltriethylammonium bromide / sodium dodecylsulfate / dextran. the ligands with affinity were attached to the polymers and the affinity partitioning of proteins was investigated. it was shown that the surfactants and polymers are enriched in different phases of aqueous two - phase systems. phase separation are promoted by increasing temperature and adding inorganic salts. different proteins are partitioned in different phases. the selectivity of protein partitioning is increased by adding ligands with affinity

    報道了由正負離子表面活性劑與高聚物混合溶液形成的一種可用於蛋白質的分離及分析的新型雙水相萃取體系.研究了正負離子表面活性劑（溴化十二烷基三乙銨/十二烷基硫酸鈉）分別與葡聚糖和聚乙二醇混合雙水相體系的形成規律、相行為及牛血清蛋白和溶菌酶在雙水相體系中的分配.通過在高聚物分子中接上親和配基，研究蛋白質在雙水相體系中的親和分配.結果表明，在該體系中，表面活性劑與高聚物分別富集於不同相中.升高溫度及加入無機鹽均可促進雙水相體系的形成，不同蛋白質可分配于不同的相中.親和配基的引入極大地增強了蛋白質分配的選擇性
  10. Abstract : emphasis is put on the recent development concerning the catalytic oxidation of methane to oxygenates by heterogeneous catalysis and liquid catalysis. for heterogeneous catalysis, the choice of catalysts, reaction temperature and pressure, oxygents, additives, reactors and reaction mechanism are summarized. different research systems of liquid phase oxidation of methane are reviewed

    文摘:本文對甲烷催化氧化制含氧化合物的研究，從多相催化和液相催化兩個方面進行了綜述；對多相催化的研究從催化劑的選擇、反應溫度、反應壓力、氧源、反應添加物、反應器及反應機理等方面進行了總結，液相氧化的研究則對不同的研究體系進行了詳細的綜述。
  11. Hydraulic fluid power - gas - loaded accumulators with separator - selection of preferred hydraulic ports

    液壓流體動力.帶分離器的氣液蓄壓器.優選液壓埠的選擇
  12. Standard guide for selection and use of liquid coating encapsulation products for leaded paint in buildings

    建築物中含鉛漆的液體塗層封裝產品的選擇和使用的標準指南
  13. Abstract : six quasi - ternary liquid - liquid equilibria systems between benzene, toluene, p - xylene, n - heptane, methyl - cyclohexane and n - formylmorpholine ( nfm ) + water have been determined at normal pressure and 60 ; the conjugate phase compositions and the contribution curves of these quasi - ternary liquid - liquid equilibria systems were obtained ; the experimental data were correlated using uniquac and nrtl models ; the plait points of these systems were obtained by the constructive fitting for the conjugate phase and parameter predicting methods ; the selectivity and contribution coefficients of the solvent to the solutes were calculated

    文摘:用液液平衡釜測定了常壓， 60下加水n -甲酰嗎啉和苯、甲苯、對二甲苯、正庚烷、甲基環己烷組分間6個擬三元體系的液液平衡，得到了擬三元液液平衡體系的共軛相組成和分配曲線；實驗數據用uniquac和nrtl模型進行了關聯；用共軛相作圖擬合法和模型參數推演算法獲得了各體系的褶點數據；並求得了溶劑對溶質的選擇性和分配系數。
  14. Based on two application modes of the capsule accumulator in this system, the charge pressure and effective volume of the high pressure accumulator as an air spring and the performance parameters optimization with the jig working parameter determined was studied in this paper

    本文在簡要說明氣囊式蓄能器在跳汰機交流液壓系統中的高、低壓兩種應用的基礎上，對作為氣體液壓彈簧的高壓蓄能器工作容積的選擇與充氣壓力的問題進行研究，並在跳汰機工作參數確定的前提下，合理進行交流液壓系統中氣體液壓彈簧的參數優化。
  15. Firstly, choose an appropriate solution system to make a steady solution, and then limn2o4 film precursor was prepared on stainless steel by spin coating method with the solution

    在前驅體溶液體系選擇過程中，確定了最佳前驅體溶液體系組成;在最佳的前驅體溶液組成體系下，採用旋轉塗覆法在不銹鋼基體上制備前驅體濕膜。
  16. Choose of liquid medium for compound non - coupling charging for frozen soil tunnel

    凍土隧道復合不耦合裝藥結構液體介質的選擇
  17. Through the flux / retention experiments it was shown that when the applied pressure rises, both volume flux and rejection increase, too ; and that the higher the feed salt concentration, the lower rejection and volume flux. the charged mosaic membranes could permeate mono - valent and bi - valent inorganic salts, but reject the low - molecular - weight organics. furthermore, sem was used to observe the surface and the cross section of the composite membrane

    另外，膜性能表徵結果顯示:隨著操作壓力的增加，膜通量及膜對電解質的截留率均趨增加;而隨著原料液濃度的增加，通量和截留率都有所降低;膜對低分子有機物和無機電解質混合體系（如:亞硝基紅鹽與naci混合體系;蔗糖與nazso ;混合體系等）的選擇性較高，能實現其有效分離。
  18. Perioperative blood conservation interventions include use of antifibrinolytic drugs, selective use of off - pump coronary artery bypass graft surgery, routine use of a cell - saving device, and implementation of appropriate transfusion indications

    圍術期血液保護干預措施包括應用抗纖溶藥，非體循環冠狀動脈搭橋手術的選擇性應用，應用常規的細胞挽救設備，並採用恰當的輸血指標。
  19. Code for temperature measurement - expansion thermometers - guide to selection and use of liquid - in - glass thermometers

    溫度測量規則.膨脹式溫度計.玻管液體溫度計的選擇和使用指南
  20. 4. transformation and selection of plants. leaf explants had been pre - cultured for 2 days, then immersed in agroba - - cterium suspension for 5 ~ 6minutes

    轉化體篩選及植株再生將預培養2天的外植體與農桿菌菌液浸染5 6分鐘后，共培養2 3天，然後轉化到含km75m旮的選擇培養基上進行分化篩選，再轉入k 。
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