水解程度 的英文怎麼說
中文拼音 [shuǐjiěchéngdù]
水解程度
英文
degree of hydrolysis-
In the present study, aflp ( amplified fragment length polymorphism ) markers was used to examine population of abies yuanbaoshanensis in order to understand the level of population genetic variation and genetic structure. the result would help to evaluate its evolutionary potentiality and the degree of being endangered and could provide scientific basis for making right protection strategy. high - quality dna was extracted using ctab method from those tender leaves of forty - three fully - developed trees in population abies yuanbaoshanensis
本研究選用一種高效的檢測遺傳變異的分子標記? ? aflp技術來分析元寶山冷杉種群的遺傳多樣性,旨在了解該種群在分佈區內的遺傳變異水平和遺傳結構情況;研究結果將有助於更清楚地認識這一瀕危類群的生存潛力和瀕危程度,而且可以為制定何種挽救和保護措施提供科學的依據。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。The dehydration process leads to fairly extensive decomposition of the product.
脫水過程會導致產物相當程度的分解。It separates diagnostic categories and psychopathology in organic disorders, affective / mood disorders ( disorders of emotional / feeling level ), psychotic disorders ( disorders of mental level - thought, cognition, and perception level ), dissociative disorders, somatoform disorders, anxiety disorders etc. is inflexible to accommodate integrated psychiatric approach, namely patient - centred ( exactly what is needed more than anything
它依據器官的功能障礙的程度進行診斷和精神病學分類,情感表達/情緒障礙(情緒/感覺水平的障礙) ,精神障礙(精神水平? ?思想、認知、理解水平功能障礙) ,分離障礙,體感障礙,附屬障礙等等,這種分類方法為整體精神病治療法提供了基礎,這個基礎稱為患者中心模式(這點比其他的觀點更重要! )The studying on the mechanism of beiyin main channel gliding slope heilongjiang beiyin project lies in the west of heilongjiang which lies the center of nenjiang. geographical location is east longitude 124 - 126 ? and north latitude 46 - 48 ?. aims of the project are providing water to petrol and chemical industry of daqing and living water. at the same time it is also a big comprehensive conducting water project without dam which resolves 24 irrigation regions of beiyin using water along beiyin
黑龍江省北部引嫩工程位於黑龍江省西部,地處嫩江中游左岸的松嫩平原腹地,地理位置在東經126度128度,北緯46度48度之間。該工程以滿足大慶石油和化工生活用水為主,同時解決沿途24個分灌渠用水的綜合性大型無壩引水工程。The procedural law of water right includes code of administrative appeal, code of civil law, administrative litigant law and intercessory law etc. it also introduces the definition, content and characteristics of water right of modern china
如果加上解放前出版的方誌、水利志,則數量更大。此外,全國范圍檔案館開放程度的提高,使用的相對便利也為水權研究提供了較好的資料條件。The technical difficulties in low - alcohol liquor production mainly cover the following aspects : the bleeding of ethyl palmitate, ethyl oleate and ethyl linoleate etc. after alcohol - degrading might produce the lost of gloss, turbidity and precipitate ; the suspended substances produced in distillation and packing, the production water, and the metal ions contained in production containers are the main reasons for the precipitate in liquor ; besides, the hydrolization reaction and esterification reaction of liquor body during shelf period would also produce the lost of gloss, turbidity and precipitate
低度白酒生產過程的技術難點主要是白酒降度產生失光、渾濁、沉澱,其主要原因是由於降度后棕櫚酸乙酯、油酸乙酯和亞油酸乙酯等析出;蒸餾、包裝等過程帶入的懸浮物,生產用水、生產容器所含金屬離子等為低度白酒產生沉澱的主要原因;還有低度白酒酒體在貨架期的水解、酯化反應也會引起低度白酒產生失光、渾濁和沉澱。One is feed - forward - feedback method based on turbidity. another is expert system with self - studying mechanism. fore - back and feedback system based on nephelometer can control the quality of water produced in the little range by setpoint
基於濁度的前饋?反饋控制雖然在一定程度上解決了穩定性與控制精度之間的矛盾,能將出廠水質量控制在設置值附近。Adopting high resolution nested grid project and proper physical parameter, a mei - yu heavy rain process during eight july 22, 2002 and eight july 23, 2002 and the meso - b - scale systems alongwith it, were simulated by use of psu / ncar meso - scale nonstatic numerical forecast model mm5 in this paper. the simulation result describes successfully the spatial and temporal distribution of this rain process and the developing course of the concomitant meso - ? - scale systems
本文利用psu ncar的中尺度非靜力數值預報模式mm5 ,採用高解析度套網格方案和適當的物理過程,對2002年7月22日08時到23日08時的一次強梅雨暴雨過程和伴隨的中-尺度系統進行了數值模擬,結果很好地描述了本次暴雨降水的時空分佈及相伴隨的中-尺度系統的發生發展過程。The effect of reynolds number on rudder hydrodynamic performance is also analyzed. up to the stall angle the computed lift and drag agree well with measurements and other author ' s calculations, whereas stall angle, lift and drag beyond the stall angle are slightly under - predicted. the solver is used to investigate laminar and turbulent separated flows around a 6 : 1 prolate spheroid at high incidence angles and their effects on hydrodynamic forces
應用所開發的求解器,以naca0015翼型舵為算例計算了船舵在不同雷諾武漢理三;大學博士學位論文數下大舵角范圍內的三維粘性流場及水動力,成功地預報了舵的失速角和最大升力,並初步探討了雷諾數對舵水動力的影響;計算結果與現有試驗和計算數據比較,吻合程度相當好,初步檢驗和驗證了該求解器精確模擬粘性流動和計算水動力的能力。Back extraction by hno3 - hf and back extraction by concentrated hnch after lower the concentration of organic phase are studied, the method of back extration by hnorhf can not be used to icp - ms, because some zirconium is hydrolysis when hf is removed by heat. however, the method of back extraction by concentrated nitric acid after lower the concentration of organic phase can be used to icp - ms, the recovery is 93. 2 %, rsd % is 5. 24 %, the decontamination factor of uranium is 3. 2xl04, the detection limit of zirconium is 0. 04ng / ml. the method of tta extracting trace zirconium in uranium is firstly used to icp - ms, the result is satisfied, it can be used to determine zirconium in uranic production quickly and veraciously
本文通過研究hno _ 3 - hf反萃和稀釋有機相後用濃hno _ 3反萃這兩種分離方法,認為hno _ 3 - hf反萃由於在加熱去除hf時酸度不易控制,導致鋯的部分水解,因而此方法不宜用於icp - ms中,然而稀釋有機相後用濃hno _ 3反萃法用於icp - ms測量中,全程回收率為93 . 2 ,相對標準偏差為5 . 24 ,鈾的一次去污因子為3 . 2 10 ~ 4 ,鋯的測定下限為0 . 04ng / ml ,本文首次將tta萃取分離鈾中鋯用於icp - ms測量中,結果令人滿意,此方法適用於快速、準確測量鈾產品中微量鋯。This paper separately analyzed the principle and characteristic of water condensing + water condensing mode and air condensing + water condensing mode of compound condensing method. it is found that the building heating and cooling systems applied compound condensing method can well integrate the function of space cooling and space heating and sanitary hot water heating. the compound condensing method could well preserve energy, and its integration makes the investment of building heating and cooling system more economical
論文對復合冷凝技術的水冷+水冷模式和風冷+水冷模式的原理分別進行了探討,討論發現此技術能使冷熱源機組將空調製冷、空調供暖、生產衛生熱水等功能互相結合起來,節能效果顯著,集成化的功能也使得建築冷熱源設備的初投資也大大減少,並很大程度上緩解了建築冷熱源設備對環境的熱污染和城市的「熱島效應」 。They are the chief means of liberating agriculture from its chains, and of elevating it to a commercial character and to a degree of art and science, by which the rents, farming profits, and wages are increased, and greater value is given to landed property
要把農業從束縛中解放出來,要從農業提高到商業階段,在技術和科學上達到一定程度的水平,從而使地租、農業的收入與工資都有所增長,使地產價值提高? ?要達到這樣的目的,工業是一個主要手段。This paper introduces the development process of wastewater disposal, it ' s auto control system, the level of nowadays and several new techniques of china and foreign countries. the immanent structure, control rules, main features and design methods of auto control systems in wastewater disposal process are studied in this paper. aiming at four typical parameters, such as temperature, dissolved oxygen, ph and the planes of water, the distributed control system is designed, composed by pc called epigyny computer and scm 8098 called hypogyny computer, and some sensors, shift deliver utensils and related meet orifices of parameters gathering and figures communication
本文介紹了國內外污水處理及其自動控制系統的發展過程、當今水平和提高自動化程度的若干新技術;研究了污水處理自動控制系統的內在結構、控制規律、主要特點和設計方法;選取污水處理中的典型參數溫度、溶解氧、 ph值和液位等為控制對象,設計了以個人計算機為上位機、以8098單片機為下位機,並輔之以傳感器、變送器及相關介面單元所構成的二級集散控制系統( dcs ) ;介紹了幾個主要程序模塊的設計思路、工作過程,這些程序模塊是:用高級語言visualbasic6 . 0開發的上位機人機交互界面程序、數據處理和圖表輸出程序,用執行效率高的匯編語言開發的下位機數據採集與系統監控程序、上位機與下位機之間的數據通信程序,匯編語言與vb之間的轉接程序,等等。To solve some questions about oil production declining quickly, production and injection patterns are imperfect, the low degree of reserves control, and the injection water not enough in injection well, we have taken measures such as strengthen the geologic integrated research, drill extension well and adjustment well, strengthen water injection system, and optimize fracturing techniques, which has improved reservoir development effect
為了解決產量遞減快、注采井網不完善、儲量控製程度低、注水井欠注等問題,採取加強地質綜合研究、鉆擴邊井和調整井、強化注水系統和優化壓裂工藝等措施,有效地改善了油藏開發效果。A high - resolution finite volume method 2d shallow water equations
求解二維淺水方程的一種高解析度有限體積法On the other hand, this paper details the study on effects of environmental pollution on the algae growth besides essential nutrition, especially those of dye wastewater in sunan area on the process of eutrophication, from which we expect to know what the environmental pollution factors overlapping other factors interfere with the competitive relationships of different species and have a certain effects on the succession of water ecosystem species
另外,論文中的實驗也涉及到除對藻類生長所必需營養物外的環境污染因子的影響。尤其是蘇南地區的染料廢水等對富營養化過程的影響,以期了解疊加在其他因素上的環境污染因子對生物種群間的競爭關系的干預,及對水生生態系統種群演替的影響和程度。The more knowledge of language and background he has, the better he can accomplish the listening task. students " listening ability depends much on their knowledge of language and background
語言知識儲存量的大小決定著聽者聽力水平的高低,聽者固有的知識經驗及對中西文化差異的了解程度決定著其對話語意思理解的廣度和深度。It is because the china will win the victory. it greatly depends on that the enterprise comprehends the regulations of the wto and the enterprise combines well with the competitive standards of international to a great extent
我國能否在激烈的國際市場中取勝,很大程度上取決于各企業對wto這個貿易組織的規則的了解程度及能否將企業成長與國際競爭水平的提高很好地結合在一起。Results showed that temperatures have different effects on the curing speed of resin, the rate of moisture transmission, the degree of plastic melting and the degree of wheat straw decomposition
結果表明,熱壓溫度對板坯中膠黏劑的固化速度、水分傳遞速度、塑料熔融程度、麥秸分解程度等都有不同程度的影響。分享友人