高襯比 的英文怎麼說
中文拼音 [gāochènbǐ]
高襯比
英文
high contrast-
It is in the light of iso international criterion to design and make, pumpbody adopt metalline crust pad fluorine plastics inside, impeller and pump - cover all adopt metal embed part wrap fluorine plastics alloy outside to press. it has ratio of very high capability and price. its the most diffusely apply of resisting causticity centrifugal pumps at chemical engineering profession at present
按國際標準設計製造,泵體採用金屬外殼內襯氟塑料f46 ,葉輪及泵蓋均採用金屬嵌件外包氟塑料合金模壓成型,具有很高的性能價格比,是目前化工行業應用最為廣泛的防腐離心泵。This paper analyses the stress and deformation of the two lining structure types of the surge shaft surrounded with crush rock under the action of high water pressure by using fem, compares the two lining types ' s merits and demerits in stress, deformation, fracture state, the combining bearing of surrounding rock and lining structure, the safety and economics
本文針對圍巖條件比較破碎,裂隙發育的調壓井洞室結構,就兩種襯砌結構型式分別進行了高水頭作用下的有限元數值模擬,從調壓井襯砌結構選型角度分析對比了兩種襯砌結構型式在圍巖及襯砌結構應力與變形、襯砌結構鋼筋混凝土開裂、圍巖與襯砌結構聯合承載、結構安全儲備、經濟等方面的優劣。Besides, the growth of gasb expitaxy film was monitored by reflection high energy electron diffraction ( rheed ). the rheed images and intesity oscillation are collected by computer system. it showed that the gasb film prepared in 400 was amorphous and it became monocrystalline when the temperature rose to 500. atomic force microscope ( afm ) was applied to analyse the surface morphology of the films which were grown in diffrent growth rates or substrate temperature. the analysis were compared to simulation results. the experiment results indicated it was easy to form clusters when the rate of growth is high or
此外,本文通過反射式高能電子衍射( rheed )監測了gasb外延薄膜的生長,利用rheed強度振蕩的計算機採集系統實現了rheed圖像和rheed強度振蕩的實時監測。實驗發現在400生長的gasb薄膜為非晶態,溫度升高到500薄膜轉變為單晶。利用原子力顯微鏡對不同生長速率和襯底溫度生長的gasb薄膜的表面形貌進行觀察分析,並與模擬結果進行比較。Account for the high electrical field induced from the high applied voltage relative to small dimension device, the mechanism of hot - carrier generation is analysed, the si - h bond broken model for hot - carrier injection and interface states generation is deduced and the substrate current model is developed
基於mosfet偏壓不能按比例縮小所導致的高電場,對mosfet的熱載流子產生機理進行了分析,導出了熱載流子注入所引起的界面態的si - h健斷裂模型,並建立了表徵器件熱載流子效應的襯底電流模型。The researchers of the company have invented the new high metal alloys materials and place the high position home and abroad. the productions are sold to denmark, japan, england, germany and have won great praise for them
本公司自行研究的高烙合金耐磨材料(高爐襯板、布料溜槽、反擊式破碎機板錘)已達到國內先進水平,產品一遠銷到丹麥、日本、比利時、英國、德國等海內外,深受用戶好評。Ptfe is one of the most corrosion - resistant materials in the world. however it has defects such as the hot expansion and cold contraction rate is10 times larger than that of steel and the original cold fluidity ( creeping ) etc. therefore, as temperature increases, ptfe extends so excessively that it would collapse and then block the flow of media ; as temperature decreases, ptfe contracts so excessively that it would be ripped and then cause leakage
Ptfe是當今最耐腐蝕的材料之一,可它被製造成襯里的時候,會存在熱脹冷縮比鋼鐵十多倍及固有的冷流性等缺陷,致使ptfe襯里管道、設備,在使用過程中,溫度高時, ptfe襯里層會伸長過多而內癟,阻塞了介質流通;溫度低時, ptfe層會收縮過大被拉裂而泄漏。Furthermore, the growth and the study of self - organized quantum dots structures become more and more important recently, and the application of self - organization technique become wider and wider in this thesis, we address the theory of film growth and the growth technique firstly more, the ways and characteristics of surface detection are prescribed we mainly report the growth process, results and discuss of self - organized quantum dots structures in the a12o3 substrates by s - k mode using ecr - mocvd, in the espd - u device the growth art of ain epilayer which is the preliminary foundation of self - organized gan / ain quantum dots structures, including the substrate cleaning, nitridation, the growth of buffer and the growth of gan and ain epilayer, is discussed we deliberately compare the test result of rheed xrd and afm and achieved the optimalized condition of ain at last we have successfully realized the growth of ain which is much smooth and better crystal quality moreover, we grow the self - organized gan / ain quantum dots structure in s - k mode because the limits of the heater temperature, we can not grow the atom - smooth epilayer of ain until now so we could not grow better quantum dots which have small diameter and big density but the self - organized quantum dots structures with better quality will be realized successfully if the substrate temperature is increased the thesis study belong to my tutor subject of national nature science foundation ( 69976008 )
本論文主要論述了在espd - u裝置上,採用電子迴旋共振等離子體增強mocvd ( ecr - pamocvd )方法,在藍寶石襯底上通過s - k模式自組裝生長gan aln量子點結構的生長工藝、結果及討論。而重點分析了自組裝生長量子點之前的aln外延層生長工藝,包括襯底清洗、氮化、緩沖層的生長和gan 、 aln外延層的生長;通過高能電子衍射、 x射線衍射和原子力顯微鏡測試,並且對這些測試結果進行了詳細的比較研究,得出了較優化的工藝條件,生長出了晶質較好、表面較平整的aln外延層;進而採用s - k模式自組裝生長了gan aln量子點結構。由於實驗裝置加熱爐溫度的限制,我們沒有能夠生長出原子級平滑的aln外延層表面,因而沒能夠生長出密度比較大和直徑比較小的量子點。The pixel size of p + / n - well / p - sub structure is 100 umx 100 n m, fill factor is 77. 6 %. it can obtain target information with illuminance intensity in the range of 0. 011x ~ 98, 0001x, and the sensor photoelectric sensitivity is 35v / lx ? s. when the method of changeable reset frequency double scanning is used, the photoelectric dynamic range can be 139. 8db, which is high in the 0. 6 um level cmos image sensors already reported
在對感光單元進行器件物理結構優化的研究中,通過採用深結深光電管結構,提高了傳感器的感光響應,其中p m階」襯底結構的傳感器面積為100umx100urn ,感光面積百分比為77石,可對0刀98 , 000lx照度的目標信號進行傳感,感光靈敏度大於3sv ix ? s ,採用了變頻兩次掃描后,動態范圍可達139Industrial application and the analysis of technological economy showed that chme steel lining board ' s producing process is simple and controllable and the duriablity of chme steel lining board is 30 percent higer than zgmnl3 lining board while the first price of chme steel lining board is little higer than zgmnl3 lining board
而技術經濟分析則表明, chme鋼襯板的生產成本雖然略高於2gmn13襯板,但綜合考慮磨礦效率與磨耗成本后,生產每噸chme鋼襯板仍可比zgmn13襯板多獲利1230元,具有明顯的經濟與社會效益。With strong high toughness and wear resistance, the use of safe, efficient, non - deformed, no fault, no broken, the main technical and economic indicators have reached the country particle counter level than the price of steel materials reduced by 20 percent or more, a warehouse liner can be used 3 years
具有強韌性和高耐磨性,使用安全、高效、不變形、無斷裂、無破碎,主要技術經濟指標達到了國外同類產品的水平,價格卻比中合金鋼材料降低20 %以上,一倉襯板使用3年。By the pecvd ( plasma enhanced chemical vapor deposition ) system and the reactants of silane and ammonia, silicon nitride thin film with excellent anti - reflective and passivation effects was prepared. the relatively optimum parameters for depositing sinx thin film and the basic physical and chemical properties of sinx were investigated. the effects of substrate temperature, the flow ratio of silane over ammonia and the rf power on the refractivity and deposition rate were researched
實驗表明,氮化硅薄膜的沉積速率隨硅烷氨氣流量比增大而增大,隨溫度升高而略有降低,隨淀積功率增大而明顯增加;在襯底溫度300 ,射頻功率20w和硅烷氨氣流量比為1 : 3的條件下氮化硅薄膜的沉積速率大約為8 . 6納米分。Also shown by afm images are the regular features of crystals and ordered crystal domains for the film grown on 200 substrates, the morphologies indicate a phase transition, which is clearly confirmed by contrast between ( 0, 0 ) and ( 0, 1 ) absorption features and the bathoshift of ( 0, 0 ) absorption peak corresponding to the temperature of the substrate
Afm圖像同時顯示,在200的襯底上生長的薄膜具有規則的晶體外型和有序排列的微疇,說明存在結晶轉變。 f - ptcdi薄膜的吸收光譜的( 0 , 0 )和( 0 , 1 )性狀的強度對比與紅移程度隨襯底溫度的變化清晰地表現出150到200之間存在一個相變, dsc測試說明該轉變是從低有序到高有序度的轉變。According to the theory of the finite element analysis, the matrix of mass, rigidity and damp in every part of shell structure have been fixed on ; at the same time, calculation has been done in dynamics and statics
利用有限元理論,分別確定了復合殼體結構中各部件的質量矩陣、剛度矩陣及阻尼矩陣,並對其進行了靜力學與動力學計算,結果證明內襯三維波紋鋼板復合殼體結構與普通混凝土殼體結構相比,其結構承載力有了較大的提高。It was found from the experiment that, with the increasing of substrate temperature, there were more oxygen vacancies in the films, which lead the conductance of the sample become larger, and the absorb edge of zno thin films shifted toward higher wavelength ; with increasing of ar : o2 ratio, there were lesser oxygen vacancies in the films, which lead the absorb edge of zno thin films shifted toward lower wavelength
實驗還發現,隨著襯底溫度的升高,薄膜中產生的氧空位將會增多,使得zno薄膜的電導逐漸增大,而且其紫外透射吸收截止邊帶向高波長方向漂移;隨著氬氧比例的增加,薄膜中的氧缺陷相對減少,薄膜的透射吸收截止邊向低波長方向漂移。It was found from the experiment that, with the increasing of substrate temperature, there were more oxygen vacancies in the films, which lead the conductance of the sample become larger, and the absorb edge of ito thin films shifted toward lower wavelength ; with increasing of ar : o2 ratio, there were lesser oxygen vacancies in the films, which lead the absorb edge of ito thin films shifted toward lower wavelength
實驗還發現,在一定的溫度范圍內隨著襯底溫度的升高,薄膜中產生的氧空位將會增多,使得ito薄膜的電導逐漸增大,而且其紫外透射吸收截止邊帶向短波長方向漂移;隨著氬氧比例的增加,薄膜中的氧缺陷相對減少,薄膜的透射吸收截止邊向低波長方向漂移。The fact that the storm stands out against the subtle banding of saturn at visible wavelengths suggests that the storm ' s cloud tops are relatively high in the atmosphere
事實上在可看見光波段揭示了由土星上細微條紋襯托出的風暴其雲頂比周圍的區域顯著要高。We discussed the behavior of corrosion - abrasion of the liner of wet - grinding machine in simulated metallurgical conditions. the results show that under the simulated slurry, the corrosion rate and the wear loss of the low carbon high alloy steel is better than the high manganese steel and the medium carbon alloy steel
實驗表明,在模擬冶金礦山的實際工況條件下,低碳高合金鋼具有優良的綜合性能,壽命最長,是比高錳鋼和中碳合金鋼更適合冶金礦山的嚴酷工況條件的濕式磨機襯板新材質。The chemical composition of materials of the wear resistant is more reasonable and has good mechanical properties, hardness modest, impact toughness, and strong yield high, high manganese steel service life is the 2to4 times that of a warehouse liner can be used 3to4 years, stable quality, widely usage, and high comprehensive economic indicators, it belongs to wear - resistant materials with great potential development, and got the second prize winner ministerial - level scientific and technological progress, fill a blank in china, mainly for export liner material
該耐磨材料的化學成分設計比較合理,具有良好的綜合機械性能,硬度適中,沖擊韌性好,屈服強度高,使用壽命是高錳鋼的2 4倍,一倉襯板使用3 4年,質量穩定,使用范圍廣,綜合經濟指標高,是一種很有發展潛力的耐磨材料,獲得部級科技進步二等獎,填補了國內空白,主要用作出口襯板材料。In order to otain high quality zno thin films, we, for the first time, employ the plasma enhanced chemical vapor deposition ( pecvd ) to prepare high quality zno thin film at low temperature using a zinc organic source ( zn ( c2h5 ) 2 ) and carbon dioxide ( co2 ) gas mixtures. the effects of the growing condiction and the native oxide layer of si substrate on the quality of zno thin films was studied in detail. to prepare p - zno and overcome the dufficulty of reverse due to the interaction between the n atomic, we obtain high qulaity p - zno by a easy way of thermal zn3n2
為了在低溫下制備高質量的氧化鋅薄膜,我們採用金屬有機源和二氧化碳氣源,首次利用等離子體增強化學氣相沉積的技術在低溫下制備了高質量的氧化鋅薄膜,系統地研究了生長條件以及襯底表面氧化層對薄膜質量的影響,確定了生長高質量氧化鋅薄膜的優化條件;為獲得p - zno材料,克服在zno中摻n雜質間相互作用影響摻雜效率不易獲得p - zno的困難,我們通過熱氧化zn3n2的方法制備了p - zno ,獲得了一系列研究結果: 1 、詳細研究了氣體流速比,襯底溫度和射頻功率實驗參數對氧化鋅薄膜特性的影響。The top - brand shirts are often sold at double the normal price here
這里名牌襯衫售價經常比正常價高1倍。分享友人