second liquid 中文意思是什麼

second liquid 解釋
兩次流
  • second : adj 1 第二的；第二次的；二等（的）。2 次等的；較差的；劣於…的 （to）。3 〈美國〉較年輕的。4 另一...
  • liquid : n 1 液體。2 【語言學】流音〈如 [l] [r]〉 adj 1 液體的，液態的，流動的。2 清澄的，透明的。3 易變的...
  1. The research consist of four parts. the first part is multiplication, purification and electron microscope examination of the avian encephalomyelitis virus. a 1 : 5 dilution of isolate - nh937 of aev and control group of pbs were inoculated to susceptible 6 - day - old chickens embryos. respectively. after incubation for 10 days, the urinay vesicle liquid was collected. making a comparison the size of the chickens embryos between the test group and the control group, the results showed that the size of the control group is bigger than that of the test group. purified virions were examined under the electron microscope, the result revealed that there are a lot of virions and the aev - nh937 was multiplicated in embryos. the second part was seguence analysis of the genome of the aev - nh937. nine pairs of primers were designed according to published calnek vaccine strain of aev

    本研究共分四個部分：第一部分為aev的增殖，純化和電鏡觀察，用1 : 5倍稀釋的aev - nh937株和陰性對照pbs分別經卵黃囊接種於6dspf雞胚，繼續孵化10d后，收集尿囊液。比較接種組和健康對照組雞胚的大小，結果顯示，健康對照組雞胚明顯大於接種組。分離、提純aev ，把純化的病毒在電鏡下觀察，證明確有大量aev病毒粒子存在，說明aev在雞胚中成功擴增；第二部分是aev - nh937基因組的序列測定工作。
  2. Some conclusions can be drawn from the experiment. first, the discharge coefficient of liquid is almost constant when the pressure before injecting is high enough, but the discharge coefficient of gas fluctuates because of the influence of liquid flowing. second, when the total pressure of gas is low, under the same total pressure, increasing the pressure before injecting or under the same the pressure before injecting, lowing the total pressure of gas make the mean diameter smaller

    流量特性試驗表明，在液體噴注壓降較高時，液體的流量系數基本不變，但是氣體的流量系數受液體流動的影響較大;霧化特性試驗表明，在同一氣體總壓條件下，增大液體噴注壓降或者在相同液體噴注壓降條件下，減小氣體總壓對液滴霧化有利。
  3. Second, the concept of unified modeling language is describled, and its " 4 + 1 " views ( use case view. logical view, implementation view, process view, deployment view ) are describled based on the characteristics of liquid propellant space propulsion systems. software process model, the concept of iteration and increment, the concept of software development based on risks, sysnerty software process model are describled ; software model of the study of the software of configuration analysis of liquid propellant space propulsion systems is presented in this paper using unified modeling language and synergy software process model

    然後本文闡述了統一建模語言的概念，並結合空間推進系統特點分別對統一建模語言的「 4 + 1 」結構視圖（用例視圖、過程視圖、邏輯視圖、實現視圖、部署視圖）進行了闡述；闡述了軟體過程模型和迭代、增量及基於風險的軟體開發的概念以及synergy軟體過程模型；應用統一建模語言和synergy軟體過程模型建立了液體推進劑空間推進系統構型分析軟體的軟體模型。
  4. The application of liquefied petroleum gas ( lpg ) in engine has been popularized and applied in recent years, but one distinctive disadvantage existing in both of them when applying the first or second lpg supplying system is that the driving performance drops to some degree. toimprove the driving performance and reduce the exhaust emission is the purpose of the author and liquid lpg injection, whis is based on the third lpg electronic control injection, is studied

    近年來液化石油氣（ lpg ）用作發動機燃料已經得到了一定的推廣和應用，但是採用第一、二代lpg燃料供給技術有一個明顯的缺點就是動力性都有不同程度的下降。本文以恢復發動機動力性和降低排放為目標，在綜合對比分析三代lpg燃料供給技術的優缺點后，在第三代lpg燃料供給技術的基礎上進行了lpg液態噴射研究。
  5. Combined with the formerly fitted expressions of the second virial coefficient, some multi - parameter virial equations are proposed. among them, a quintic virial equation was chosen to predict the vapor - liquid equilibria of some very polar fluids, and the results are notably better than those of the usual cubic equations

    結合前面得到的第二維里系數擬合式，作者提出了幾種多參數維里方程，並用其中的五次方程預測了一些強極性流體的汽液平衡，結果顯著地優于常見的立方型方程。
  6. The development of mass transfer in the system of vapor - liquid - liquid three - phase distillation from trays was introduced, the effects of the hydrodynamic conditions e. g. vapor velocity and ratio of liquid to vapor loading and physical properties of liquid phase, including surface tension, interfacial tension, viscosity or dispersion viscosity, density, relative volatility etc. and the volume ratio of oil to water on mass transfer were discussed systematically, the influence of the second liquid on mass transfer efficiency was also investigated, a gnat deal of viewpoints and suggestions having been put forward in this paper are significant important for optimizing design of distillation tower

    摘要介紹了氣液液三相精餾塔板傳質性能研究的進展情況，討論了氣速、液氣比等操作條件，表面張力、界面張力、液體的粘度或分散粘度、密度和相對揮發度等物系性質以及油水體積比等多種參數對傳質效率的影響，探討了第二液相的存在對傳質的影響，文中的許多觀點獲和建議對于優化精餾塔的設計具有重要的指導意義。
  7. According to different water phenomena, we use two different method to produce waves source : the first method is by specifying the boundary conditions and initialization conditions, this method simulate the dam breaking, reflection and diffraction of water waves ; the second method is by specifying disturbance model, this method simulate water droplets, waterfall, waves of ship ; in the first part of this thesis, we discuss the prevalent methods of the simulation of water scenes, in the second part of this thesis, we describe the numerical methods of solving the shallow water equations using the finite difference method and the finite volume method respectively, in the third part of this thesis, we simulate some realistically liquid phenomena such as rain droplets, the waves of ship, dam breaking etc

    產生水波首先要有波源，設置不同的波源便可以得到不同的水流情形，我們用兩種方法來產生波源：一種是通過設置邊界條件和初始條件產生，這種方法用於模擬潰壩波的反射、折射等現象；另一種是通過擾動控制產生，這種方法用於模擬雨滴、瀑布、船波等自然現象。本論文的第一部分我們討論了目前水動畫模擬常用的幾種方法；在第二部分討論了我們所使用的兩類數值方法：有限差分方法和有限體積方法；在第三部分我們模擬了雨滴、船波、潰壩波等一些水流現象。
  8. It consisted of 4 liquid propellant boosters, the first stage, second stage, fairing and escape tower

    3米，起飛重量480公噸，由４個液體助推器和芯一級、二級、整流罩、逃逸塔組成。
  9. Its main components include four liquid fuel boosters, first rocket stage, second rocket stage, fairing and escape tower. it is the longest and heaviest among all chinese launch rockets

    火箭由四個液體助推器芯一級火箭芯二級火箭整流罩和逃逸塔組成，是目前我國所有運載火箭中起飛質量最大長度最長的。
  10. Mineral compositions and the microstructure were investigated by xrd and sem ; the result show that the second phase and liquid phase are produced during sintering, and the second phase and liquid phase were filled in space of the al2o3 crystals, which can control the microstructure efficaciously

    通過xrd 、 sem （帶能譜分析）等測試手段測試樣品的礦物組成和顯微結構；結果表明，引入mgo等礦化劑后，材料在燒結過程中主要形成第二相和一定量的低共溶相填充在al _ 2o _ 3晶粒之間，籍此可以有效控制材料的顯微結構。
  11. The equipment mainly consists of concentration tank, the first condenser, vapor separator, the second condenser, cooler, liquid receiving tank

    本設備主要包括濃縮罐第一冷凝器汽液分離器第二冷凝器冷卻器受液桶六個部件組成，全部由不銹鋼製造。
  12. A mixture of liquid hydrogen and liquid oxygen produces an exhaust with a speed as high as five kilometers per second

    液態氫和液態氧的混合物產生的排氣速率高達每秒5公里。
  13. Determination of total chlorogenic acid in yinhuangqing oral liquid by second order derivative spectrophotometry

    二階導數光譜法測定銀黃清口服液中總綠原酸含量
  14. During recent 30 years, the blue phase of liquid crystal has attracted much attention. the physical nature of bpi ( the first subphase of blue phase ) and bpii ( the second subphase of blue phase ) have the symmetry of space group

    近30年來，液晶藍相受到廣泛的關注，研究表明藍相一相（ bp ）和藍相二相（ bp ）的物理性質有空間群對稱性。
  15. The gauge can be used in measuring the pressure of the service medium of liquid, vapour and gas which will not corrode copper or copper - alloys, it also can pass the measurement the to second instrument to realize the concentrated check and remot control

    儀表用於測量對銅和銅合金無腐蝕作用的液體，蒸氣和氣體等介質的壓力，同時又將被測壓力以電阻至二次儀表上，以實現集中檢測和遠距離控制。
  16. The basic knowledge of liquid crystal is introduced in the second chapter, especially the nematic liquid crystal. the nematic liquid crystal molecule is rodlike with big slendemess ratio

    向列相液晶是由長徑比很大的棒狀分子組成，分子質， c沒有長程有序性。
  17. Yeast extract wbs the best nitrogen source in liquid culturate, the second was ( nh4 ) 2so4

    在液體培養中，病菌對氮源的利用以酵母膏為最好，其次為（ nh4 ） 2so4 。
  18. The second liquid crystal cell we have studied is the cell filled negative liquid crystal mbba that aligns along the parallel to the plates of liquid crystal cell

    第二種液晶盒是平行排列液晶盒，中間依然充滿負性液晶mbba 。
  19. The second, the molecule dynamic method ( md ) has been used to investigate the nature of at high temperature and pressure. the primary results is ( 4 ) that is really a reduced minorant but not a continuous function of temperature ? there a interrupt where material transfer its state from solid to liquid. the third, some methods which to get directly by experiments and their results have been discussed

    第二方面，以分子動力學方法研究了晶格隨比容和溫度的變化規律問題，獲得的主要認識為（ ： 4 ）晶格（至少對于銅、鋁）的確是溫度的函數，並且是弱函數，但不是溫度的單調（下降）函數? ?其基本變化規律在固液相變點有一間斷（跳升） 。
  20. For heterogeneous azeotropic distillations, three phases, one vapour phase and two liquid phases, can coexist. the existence of the second liquid phase could change the hydrodynamic behaviour and therefore influence the separation efficiency

    對三相共沸精餾過程而言，一個汽相和兩個液相形成汽液液三相共存現象，第二個液相會或多或少地改變精餾過程的流體力學特性並最終影響過程的傳質分離效率。
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