重質液體 的英文怎麼說
中文拼音 [zhòngzhíyètǐ]
重質液體
英文
heavy liquid-
The total rna was isolated from pokeweed ( phytolacca americana ) leaves using the method of guanidine isothiocyante and used as template to amplify the total length and deleted mutant pokeweed antiviral protein ( pap ) gene by rt - pcr and then the pap gene was cloned into pgem - t vector. the sequencing results showed that pap gene had 99. 9 % identity comparing with the pap gene nucleotide sequence reported by lin et al ( 1991 ). the iptg - inducible expression vector containing the pap gene was constructed and transferred into e. coli bl21 ( de3 ) - plyss
將缺失型pap基因克隆到植物表達載體pbi121中，通過液氮冷凍法將重組質粒轉入農桿菌lba4404細胞中，然後採用葉盤法，在該農桿菌的介導下將pap基因導入普通煙草中，經過卡那黴素抗性篩選，最後獲得了轉pap基因的工程煙草植株，摩擦接種煙草花葉病毒（ tmv ） ，與非轉基因煙草相比，能夠推遲癥狀表現達2月之久，說明pap基因能夠在其它植物體內產生有活性的高抗病毒的蛋白質。One mechanical company acts as agent at the same time east calm sb ' s anger of the compressor of card of many domestic and international famous mouth, fluid uses yuan of parts of an apparatus, decelerate machine and a replacement, have heavy equipment and fittings, acting industry pump, force plunger pump, balata, valve and pipe fitting, line oiler, undertake in enlarging operation ceaselessly multivariate acting development, execute for broad user all - around stereo service ; lukewarm city person is receiving sincere letter fairness, price the company article of creed or faith of satisfaction of diversity of reasonable, breed, excellent service, user, enter in all hand in hand in new century with broad user, achieve in all brilliant
東一機械公司同時代理多家國內外知名口牌的壓縮機、液壓氣動元器件、減速機及配件、起重設備及配件、代工泵、柱塞泵、橡膠、閥門及管件、注油器、水處理設備、工控設備等生產廠家，在不斷地擴大經營規模中進行多元代發展，為廣大用戶實行全方位立體服務；溫州人秉承著誠信公平、價格合理、品種多樣、優質服務、用戶滿意的企業信條，與廣大用戶在新世紀中攜手共進、共創輝煌。Landslide is a geological hazard with serious losses. it is very important to research the controling methods. slide - resistant pile, which has many advantages such as high adaptability, little interference to landslide and geological environment, short construction time, high silde resistance, is a main method to control landslide. pneumatic down - the - hole hammer is a drilling method with many advantages. its features, such as wide application range, high hole quality, no circulating medium, low operation regulations, and drilling big diameter rock hole, fit to construct slide - resistant pile. according to the requirement of silde - resistant pile construction, this paper analyses feasibility that pneumatic dth hammer drilling applies to construct slide - resistant pile on the basis of introducing the features of pneumatic dth hammer. then an applied example is given
滑坡是一種危害極大的地質災害，它的整治方法研究具有重要意義.抗滑樁是一種適應性強、對滑坡穩定性和地質環境干擾小、工期短、抗滑能力強的滑坡整治方法.風動潛孔錘鉆進是一種具有許多優點的鉆進方法，它的許多特點，如成孔質量高、應用范圍廣、無液體循環介質、鉆進規程參數小、可實現大直徑基巖鉆孔等都適合於抗滑樁施工.文章在介紹風動潛孔錘鉆進特點的基礎上，根據抗滑樁施工要求，分析了風動潛孔錘用於抗滑樁施工的可行性，並舉出了其應用實例For electrodeposition by dc methods, the metals deposite uninterrupted and the particles were also embeded uninterrupted into the coatings ; for electrodeposition by pc method, the particles with biggish volume were desorbed from the coatings and returned to the electrolyte again owing to the presence of pulse interval ; for electrodeposition by prc method, the particles carried positive charges are much more easy to desorb from the coatings owing to the effecf of reverse pulse current combined with pulse interval, in addition, the reverse pulse current also could dissovle the metals, further accelerates the desorption of particles, thus the particles size embeded in the coatings by prc method is the least
直流電沉積時，基質金屬的沉積連續進行，粒子在電極表面不間斷嵌入鍍層;單脈沖電沉積由於脈沖間歇的存在使得具有較大體積的粒子會脫附，重新回到溶液中;採用周期換向脈沖時，反向脈沖電流使表面荷正電的較大的粒子更易從電極表面脫附，同時，反向脈沖電流對基質金屬的溶解作用，也會促進粒子的脫附，因此鍍層中復合粒子尺寸最小。隨著鍍層中粒子復合量的增加，三種鍍層的晶粒都明顯細化，說明al _ 2o _ 3的存在阻止了晶粒的長大，提高了電沉積過程中晶核的形成速率。By comparing the dry plate pressures drop and distributions of velocities simulated on single valve with those of double valves, it was found that there was intense turbulence in the flow fields around fixed - valve, there were eddy areas between valve side orifices and tray wall, there were eddies above the valves too, these led to the complex behaviors of gas perforating valve, these had a great effect on the gas - liquid mass transfer process. at the same time, in order to prevent the disadvantageous effect of gas between one valve with another on the gas - liquid mass transfer, it was very effective to change the fields of gas perforating valve by folding the edges of valve
通過對數值模擬得出的單閥和雙閥塔板的干板壓降及流場速度分佈分析對比后發現，固定閥周圍流場存在較強的湍動，閥側孔與塔板壁面區域以及閥體的上方空間存在明顯的渦流區，使氣體穿閥后的行為變得復雜，並對氣液傳質過程產生重大影響；模擬結果表明，為防止和削弱固定閥間的對沖造成的「死區」對傳質帶來的不利影響，通過折邊來改變氣體的氣路是非常有效的，模擬值與實驗值基本得到吻合。Through the special studies on impacts to atomizing and humidifying effect from such factors as the firing pin type, centrifugal structure, higher spraying pressure, less aperture, initial water temperature and original state of the air, some conclusions are obtained, such as : the centrifugal nozzle with firing pin type, high pressure and little aperture has bigger air eddy and atomizing angle. the spaying liquid has high velocity. the droplet is small, and the heat and mass transfer velocity is high
通過對撞針型結構、離心式結構、較高的噴水壓力、較小的噴嘴孔徑、噴水初溫及待加濕空氣初狀態對霧化加濕效果的作用原理的重點分析，得到：撞針型高壓小孔徑離心式噴嘴具有較大的空氣渦與霧化角，噴出的液體流速高、液滴小、水與空氣傳熱傳質速率高，撞針型結構提高了霧化加濕效率，高壓小孔徑的特點為霧化加濕提供了較大的能量，而噴水初溫的升高會減小水的粘性力和表面張力，從而優化加濕效果。05. 01 interconversion of analysis of c5 and lighter hydrocarbons to gas - volume, liquid - volume, or weight basis
C5和輕質烴類的氣體體積液體體積或重量基準的分析換算Standard practice for interconversion of analysis of c5 and lighter hydrocarbons to gas - volume, liquid - volume, or weight basis
C5和輕質烴類氣體體積液體體積或重量基準的分析換算標準實施規程Ultrasonic has being attracted much attention gradually in fuel atomization because of some specialities of cavitation and infection on liquid flow. in the course of atomization of pitchy oil, especially, does it show greatly its advantage, but its material atomizational mechanism need research ulteriorly. the primary content of this thesis is about adding cantilever reed to effervescent atomizer so as to combine ultrasonic and effervescent. this thesis has discussed ultrasonic some mechanism, ultrasonic dynamical procreator, effervescent and liquid mucosity infection on atomization, at the some time we make some experiments and discuss atomization rule following some machinery parameter and run parameter so as to find some rule about ultrasonic atomization and to rich the research of ultrasonic atomization mechanism. all that will be beneficial to the design about ultrasonic atomization atomizer
超聲波由於其空化機理及對液體的流變性影響等特性，在燃油霧化燃燒中逐步引起人們的重視，尤其在重渣油等高粘度液體的霧化過程中逐步顯示出其優越性，但其具體的霧化機理還需要做進一步的研究在氣泡霧化噴嘴基礎加入懸臂式簧片哨，將超聲波與氣泡霧化相結合是本文討論的主要內容本文從研究超聲波的一些機理入手，討論了超聲動力發生器氣泡霧化以及液體粘度對霧化質量的影響，並通過具體的實驗，根據實驗數據來討論霧化質量隨各種結構參數運行參數的變化規律，以便找到超聲霧化的一些規律，豐富對超聲霧化機理的研究，對超聲霧化噴嘴的設計具有一定的指導意義。What the study of the software of configuration analysis of liquid propellant space propulsion systems solved is how to develop the software of configuration analysis of liquid propellant space propulsion systems using scientific software model based on the characteristics of liquid propellant space propulsion systems in order to improve the performance and reduce the mass etc. it ' s important that can save fees and improve corporation ' s ability of participating competition
液體推進劑空間推進系統構型分析軟體研究所要解決的問題是如何根據液體推進劑空間推進系統的特點，通過運用科學的軟體模型開發液體推進劑空間推進系統構型分析軟體。其目的是為了提高推進系統性能、減少推進系統質量等。進行液體推進劑空間推進系統構型分析軟體研究對于節約國家經費、提高企業競爭力有著重要的意義。In allusion to agglomerates of cu - zn ultrafine powders in liquid media, dispersing effects of the powders under the action of different dispersants are studied by the methods of sedimentation and spectrophotometery
針對超細銅鋅粉在液體介質中團聚嚴重的實際，採用沉降法及分光光度法研究了該粉末在不同的分散劑作用下的分散效果。Standard test method for density or relative density of light hydrocarbons by pressure hydrometer
用壓力液體比重計測定輕烴類物質的密度或相對密度的標準試驗方法We get six kinds of magnetic fluid through changing two important parameters, which are mass percent s of basic liquid and magnetic particulate volume ratiov
通過改變基液（聚乙二醇）的質量百分比濃度s和磁性微粒的體積分數_兩個重要的參量，我們得到六種磁性液體。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。Aimed at some problems such as short spraying distance, electricity - leaking and reverse ionization among electrostatic nozzles existing in the country, a induction charging and pneumatic energy electrostatic nozzle was designed. the basic designing theories, structure and working process of this nozzles were theoretically specified in the paper. and then the atomization quality and charge performances of this nozzle and its affecting factors were studied by carrying out performance experiment and statistic analysis. result of the studies indicate : ( 1 ) some progress were made in solving the problems list above ; ( 2 ) from this nozzle, droplet were minute and uniform, and higher charge - mass ratio can be obtained under lower electrostatic voltage, thus the atomization quality and charge performance of this nozzle were both better ; ( 3 ) within the experiment extend, air pressure at 0. 2mpa, electrostatic voltage at 2400v were the most suitable parameters for the nozzle ; ( 4 ) the regression equations for describing droplet size, intensity of spray current and charge - mass ratio of this nozzle obtained from the experiment data had higher forecast precision ; ( 5 ) cross - effect of all factors were not significant, the atomization quality and charge performance were relative dependency affected by the factors
諸試驗因素中，充電電壓和噴孔直徑對霧滴荷質比均有極顯著的影響；氣體壓力和液體流量對霧滴荷質比的影響均不顯著；影響霧滴荷質比的主要因素依次為充電電壓和噴孔直徑; （ 8 ）在300v 、 600v 、 1200y 、 1800y 、 2400v 、 3000v六種充電電壓t ，霧滴荷質比先隨充電電壓的增加而增大， 2400v后荷質比減小，推測:對于所研製的噴頭可能存在一個最佳充電電壓; （ 9 ）由充電電壓和噴孔直徑的不同搭配所得霧滴荷質比不同這一結果，可看出，較大充電電壓需配備較大噴孔直徑以增強霧滴荷電效果; （ 10 ） td3 . 6和td3 . 4兩噴頭的霧滴荷質比曲線趨于重合，說明噴孔直徑大於滬3Why is this so important ? earth is of just the right mass to retain the heavier gases like carbon dioxide, nitrogen and oxygen in its atmosphere
在這生命帶中，像地球般質量大小的行星才得以保存大氣層和液態水，以地球來說，它的質量使它剛好維持大氣中較重的氣體如二氧化碳氮和氧。We culture the ecoli dh5a containing recombinant plasmid pezz18 - as and the ecoli dh5a containing plasmid pezzis in the amp + lb solution at the same time
將含重組質粒pezz18叭s與空質粒pezz18的ecolidh5a同時于ainp 」 lb液體中培養，當振搖培養的菌液od 。Sequence analysis shows that they share 98. 75 % similarity at the dna, and 98. 67 % at the protein level. ns2 gene was cloned into the multiple cloning sites of prokaryotic expression vector pgex - 6p - l. the recombinant plasmid pgex - 6p - ns2 was constructed and transformed to the competent cell bl21 ( de3 ) plyss, positive bacterium strain was induced by iptg
將ns2基因插入到原核表達性質粒pgex - 6p - 1的ecor 、 bamh多克隆位點之間，將重組原核表達質粒pgex - 6p - ns2轉化到bl21 （ de3 ） plyss感受態細胞中，獲得了表達ns2基因的陽性亞克隆重組子，在含amp的lb液體培養基中培養，經iptg誘導表達，用sds - page分析表達產物。In practical engineering, reasonable solution of some important and key problems in common, such as the stability of the side slope in the explosion of water conservation construction ; using explosion to improve the productivity in oil production etc., require the thoroughly research on the dynamic mechanics of fluid - saturated porous media under impacting loading from the theories, numerical simulations and experiments
在實際的工程應用中，重大水利工程爆破施工時巖土邊坡的穩定性問題；採用爆破技術在油層中製造沖擊波以提高出油率時油層中的響應，以確定爆炸工藝對提高石油生產率的有效性等關鍵性技術問題的解決都要求對含有液體的多孔介質在動載荷作用下的力學行為進行深入的理論、數值和實驗研究。Analysis has been concentrated upon the triple - pipe construction method in this thesis. detailed introduction has been carried out from the cut of earth by means of gaseous - hydraulic co - axial composite grouting flow to the principle of earth stabilization, from the makeup of grouting liquid to the equipments, types of instruments, operation regulations and means of quality control required in every link of grouting
論文重點分析了三重管法施工技術，分別從氣液同軸復合噴射流對土體的切削到對土體的加固原理，從注漿液體的配備到注漿各環節所需設備、機具型號及操作規程和質量控制手段等方面都做了詳細的介紹。分享友人