滴水型 的英文怎麼說
中文拼音 [dīshuǐxíng]
滴水型
英文
water drop shaped-
In this thesis, the development of emulsion polymerization theory and related new technologies are comprehensively reviewed, and the synthetic technologies of acrylate latex modified by organosilicon both at home and abroad are also reviewed. based on the current development and research in this field, attentions of this study are focused on three ways for preparing novel acrylate latexes modified by organosilicons, that is, 1 ) the acrylate monomers are copolymerized with unsaturated silicons by emulsion copolymerization ; 2 ) a new latex with microphase separation morphology is synthesized, which shows a core - shell structure character ; 3 ) soap - free polymerization is explored for preparing a higher - performance latex using an unsaturated silicon monomer, different acrylates and a reactive emulsifier. by using techniques of delaying addition of organosilicon monomer and a hydrolysis inhibitor, the hydrolysis and condensation of 3 - ( trimethoxysilyl ) propyl methacrylate during polymerization can be effectively prevented, as a result, organosilicon content in the macromolecular chain is increased
同時採用有機硅單體延遲滴加及添加水解抑制劑等技術,有效防止了-甲基丙烯酰氧基丙基三甲氧基硅烷在乳液聚合過程中的過渡水解及縮合反應,提高了聚合物大分子鏈中有機硅鏈節的含量;利用紅外光譜與差示掃描量熱儀對產物分子結構進行了表徵,並通過對共聚產物力學和吸水率的測試,證實了本研究所制備的有機硅改性丙烯酸酯共聚物具有比純丙烯酸酯聚合物更優良的力學及耐水性能;從分子設計角度出發,利用醇解反應合成出水解、縮合反應速率較慢的兩種新型不飽和有機硅單體: ?甲基丙烯酰氧基丙基三乙氧基硅烷和?甲基丙烯酰氧基丙基三異丙氧基硅烷;利用核磁共振對新型硅烷單體結構進行了證實;研究表明利用新型硅烷單體可以制備出高硅烷含量的有機硅改性丙烯酸酯乳液,且其聚合產物具有較高的力學及耐水性能。Combining with practice of china ' s uranium ore heap leac hi ng, this paper proposes main ways and suitable technologies in the fields of emp hasizing feasib ility research, adop - ting strengthened technologies, improving equipment le vel, op timizing control technological factors and developing application range and so o n, which include adopting acid - curring and ferric sulphate - tric kle leaching process, bacteria heap leaching, countercurrent heap leaching, sele cting advanced material of heap bottom, developing large mechanized heap constru ction equipments and methods, popularizing drip i rrigation distributing solution, optimizing heap leaching process parameters, as we ll as developing recovery equipments suited to heap leaching, etc, in order to i n crease leaching rate, reduce heap leaching period and achieve more economic bene fits
結合我國鈾礦堆浸實際,在重視堆浸可行性研究、採用強化堆浸技術、改進堆浸裝備水平、嚴格工藝條件及拓寬堆浸的應用范圍等方面提出一些有效途徑及適用技術,包括採用拌酸熟化-高鐵淋濾浸出、細菌堆浸、制粒堆浸、逆流堆浸,選用優質底墊層材料,研製大型機械化築堆方法和設備,推廣滴灌式布液,優化堆浸工藝參數,以及開發堆浸相配套的回收設備等,以提高浸出率、縮短堆浸周期,獲得更大的經濟效益。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。The scientists say the droplet itself becomes a little libratory that can do things like pump separate and mix
科學說這種小液滴本身象一小型實驗室,在那裡可以處理象抽水泵、分離及混合此類的事情。In addition, the trajectories of oil droplets entering the hydrocyclone were computed by using the particle obit model. thereby the separation efficiency of the hydrocyclone can be obtained
另外,本文用顆粒軌道模型計算了進入水力旋流器的油滴顆粒運動軌跡,在此基礎上,得出了水力旋流器的分離效率曲線。And 14 species associated with tufa deposition at cave entrance, 4 travertine types of bryophytes can be distinguished : stalacitite, travertine on cave wall, floor seepage, droping - water travertine
14種洞穴苔蘚植物參與了洞穴洞口鈣華沉積,沉積形態包括鐘乳石、洞壁鈣華、洞底泉華和洞底滴水鈣華4種類型。Many factors have effect on irrigation uniformity. with the growing of pressure, how is irrigation uniformity of trickle irrigation varying on different condition of the diameter of drip line, the distance of emitters, the length of drip line, the style of emitters, the flux ratio of emitters and the face gradient of little irrigation district. the consequence shows that pressure has puny effect on irrigation uniformity
滴灌系統的灌水均勻度受眾多因素的影響,本文通過毛管的管徑、滴頭間距、毛管的管長、灌水器的類型和灌水器的流量系數不同的情況下,灌水均勻度隨壓力水頭變化模擬結果顯示,壓力水頭對灌水均勻度影響非常小。The fog attenuations at infrared wavelength are computed and analyzed with the fog drop size distribution model of radiation and advection fog, the empirical relation of fog attenuation with water content or visibility are obtained at 10. 6 urn wavelength, the relation for radiation fog have a good agreement with the relation obtained by experimental results
基於霧滴尺寸分佈模型,對霧的紅外輻射衰減特性進行了分析和研究,並給出了10 . 6 m紅外輻射衰減與霧的含水量或能見度的經驗關系,該經驗關系與實驗結果間有很好的一致性。According to statistics parameters of the typical clouds over xi ' an region and cloud data obtained from the global distribution of cloud cover under the auspices of world meteorological organization, for xi ' an region typical cloud, the parameters of khragian - mazin cloud drop size distribution are obtained. based on xi ' an cloud water content profile, on earth - space paths, attenuation due to cloud are calculated by means of the k - m distribution. it is shown that the attenuation induced by cloud are taken into account at ka - at elevation angle smaller than 30 and v - band paths
第三,根據西安地區氣象觀測數據,討論了西安典型雲的宏觀和微觀物理特性;根據西安典型雲的觀測結果和世界氣象組織提供的數據,得到西安典型雲的k - m雲滴譜參數;並根據西安地區雲的液水含量,計算了地一空路徑上雲的衰減,結果表明,在v波段和仰角小於30度的ka波段路徑,雲的衰減需加以考慮。An experiment has been conducted for investigating the rule of water consumption with three species of turfgrasses : kentucky bluegrass ( poa pratensis ), perennial ryegrass ( lolium perenne ), and tall fescue ( festuca arundinacea ) ; two kinds of irrigation water resources : tap water and sewage effluent ; and two kinds of irrigation methods : subsurface dripping irrigation and subsurface leaky pipe irrigation
本研究以三種典型的冷季型草坪草草地早熟禾、多年生黑麥草、高羊茅為供試草種,以自來水和經過砂過濾和沉澱處理的城市居民社區的生活污水為灌溉水源,採用地下滴灌和滲灌兩種灌水方法,通過田間對比試驗,探討了污水灌溉條件下草坪草的耗水規律。Results showed : ( 1 ) if the proportion of water in the soil is lower than wilting coefficient, and if irrigating water is very little, ( irrigating water is spreading horizontally and vertically ) the relationship between the horizontal width ( x ) and the ? rtical depth ( y ) is remarkable. the equation is y - 0. 02 12x2 + l. 8546x - 17. 88. the related coefficient is r = 0. 9350
結果表明: ( 1 )在土壤含水量低於萎蔫系數的乾燥條件下,進行微量穴滴灌,滴灌點土壤濕潤面直徑x與最大垂直面滲透深度y呈顯著相關,數學模型為: y = - 0 . 0212x ~ 2 + 1 . 8546x - 17 . 88 ,相關系數r = 0 . 9350 ( 2 )在微量補水灌溉情況下,只有灌水量大於4000ml /穴,才能使滴灌水滲透到20cm以下土層,達到作物根系集中層,否則水分很難被作物吸收,造成滴灌水的浪費。Relating to oily water separation, chapter four builds mathematic model takes into account the tractive character of oil droplet and collision polymerization process during the separation, and compares to traditional separating mathematic model
第四章針對油艙污水的油水分離,考慮了油滴的曳力和碰撞聚合,建立了油水分離的數學模型,並和傳統的分離模型做了比較。( 5 ) finally, an enlarged emitter model was designed according to hydraulic engineering model principle, which was used for exploring hydraulic similarity between the original model and the enlarged model
( 5 )根據水工模型定律,放大滴頭原型,探索了其與滴頭原型的水力相似性。Transitional feature of the arc and metal droplet in the welding process with steam shielded arc is investigated by means of analysing the waveforms of welding voltage and current under different welding regimes and it is found that there are two types of arc process behavor ? " arc starting - arc blowing out - short - circuiting " and " arc - starting - short - circuiting ". under the condition of constant diameter of welding wire and its feeding speed, the arc process behavor can be changed by adjusting the inductance of welding circuit as well as the voltage of power supply. if arc process behaves as alternative process of " arc starting - arc blowing out - short - circuiting " with minimum time duration of arc blowing out and maximum frequency of short - circuit transition, the welding process will be stable with less spatter and smooth weld bead
通過分析不同焊接規范下的焊接電壓和電流的波形.研究了水蒸氣保護下電弧及熔滴過渡的特點,發現其電弧過程行為有「燃弧?熄弧?短路」和「燃弧?短路」兩種形式.在焊絲直徑和送絲速度一定的情況下,通過調節焊接迴路中的電感量和電源電壓,可以改變電弧的過程行為形式.若電弧過程呈「燃弧?熄弧?短路」交替進行,並且熄弧時間最短時,短路過渡頻率最高,在這種情況下,飛濺小,焊道成型好,焊接過程穩定Its atomized parcel is so small that no drip is separated out. this kind of centrifugal nozzle has high humidifying efficiency and low energy cost, which could be used in many situations in textile factories such as directly humidifying in workshop and humidifying in air pipeline
撞針型高壓小孔徑離心式噴嘴的霧化粒子細小、無水滴析出、加濕效率高、耗能少,可直接向車間加濕,適用於紡織廠等多種應用場合。Mushy pvc ( dop + additives ) - beater ( stir well ) - vacuuming ( materiel has been completely dewatered and debubbled after vacuuming ) or mix with color paste which has been processed by ball mill and then dropped into mould cavity by needle cylinder ) - solidified in the constant temperature box ( color fixing ) - input basic material - sent to the constant temperature box in the flowing way and then forming and then forming and sent out automatically - cooled by fan - finished products
糊狀pvc (增塑劑dop +助劑- - -打漿機攪拌均勻- - -抽真空處理) (真空機處理后的物料已完全脫離水分和氣泡)或球磨機處理后的色漿混合後用針筒滴入模具形腔- - -放入恆溫箱中固化(色彩定形) - - -注入底料- - -流水式送入恆溫機,定型后自動送出- - -風扇冷卻- - -成品Thermodynamic analysis on wet compression process is done in this thesis and studies are done on ideal wet compression process, actual wet compression process, water droplet evaporative rate, wet compression work, inlet evaporative cooling, wet compression efficiencies and water droplet breaking. and thermodynamic model of wet compression process is established, which gives out rules of and methods to calculate wet compression parameters
本文從熱力學的角度對濕壓縮過程進行了分析,分別對理想濕壓縮過程、實際濕壓縮過程、水滴的蒸發速率、濕壓縮功、進氣蒸發冷卻、濕壓縮效率和水滴的破碎等進行了研究,建立了濕壓縮過程的熱力學模型,給出了濕壓縮過程狀態參數的變化規律和計算方法。Research on super - small precombustion chamber of drip type
柴油機超小型水滴形預燃室的研究Plane model of labyrinth path drip irrigation column emitter
圓柱型迷宮式流道滴灌灌水器平面模型試驗研究The main task involves : developing a temperature and humidity automatic control system based on computer control theory, resolving the problem of dropping dews, center - watching and distributive - control of air - condition systems
主要任務是研製、開發新型的以計算機控制為核心的溫濕度自動控制系統。解決了原有系統凝露滴水現象,實現多機組集中監視和分散控制。分享友人