獲薄利 的英文怎麼說

中文拼音 [huò]
獲薄利 英文
earn (make) narrow profits
  • : Ⅰ動詞1. (捉住; 擒住) capture; catch 2. (得到;取得) obtain; win; reap 3. (收割) reap; harvest Ⅱ名詞(姓氏) a surname
  • : 名詞[方言] (浮萍) duckweed
  1. Introducing the theory and application of boundary element method on the sound radiation, giving the process of solving vibration noise radiation problem using boundary element analysis software ; presenting the coupling theory and the combination analysis of finite element method and boundary element method, and doing relevant analysis based on close drum shell ; programming the noise data simulation program using the numerical calculation software, simulating the acoustic and pressure data of a key point in the transient response acoustic field of the close drum shell, realizing the audibility of the noise, using the virtual reality tools to simulate the vibration noise of the drum shell ; combining the finite element method and boundary element method to analyze the vibration noise radiation of some gear box, and completing the whole simulation process of the vibration noise of the gear box

    綜合介紹了邊界元法在聲輻射問題上的理論及應用;並給出了運用邊界元法分析軟體求解振動聲輻射問題的過程。闡述了有限元法和邊界元法的耦合理論及組合分析方法,並以封閉鼓形殼為分析對象進行了相應的分析。用數字計算軟體編制了噪聲數據模擬程序,並模擬了通過組合方法分析封閉鼓形殼瞬態響應聲場而得一關鍵點的聲壓數據,實現聲音的可聽化,隨后通過虛擬現實工具實現了該情形下橢球殼振動噪聲的虛擬模擬。
  2. In the paper, the finite element simulation software dynafrom is applied to analyze the affect of different blank holder during the forming process of laminose stepped tubular part, predict the possible defects such as wrinkle and break, obtain the rational style of blank holder avoiding the occur of defects and determine the rational configuration of die. the forming affect of thin - wall shallow stepped tubular part is analyzed when using different lubricate condition ( friction coefficient ). by this method, the relationship between friction coefficient and drawing depth of laminose stepped tubular part is obtained

    本文用有限元模擬軟體dynafrom分析了不同類型的壓邊圈對壁階梯筒形件成形過程的影響規律,預測了採用不同類型壓邊圈時可能出現的成形缺陷如起皺和拉裂,得了防止缺陷產生的合理壓邊圈形式,確定了合理的模具結構形式;分析了不同的潤滑條件(摩擦系數)對板階梯筒形件成形的影響,得摩擦系數與板階梯筒形件的拉深深度的關系;分析了階梯筒形件成形過程中的不同階段的應力應變分佈、毛坯材料厚度變化情況,並得了階梯階梯筒形件能一次拉深成形的條件。
  3. Main conclusions drawn from the analyses of calculating results are as follows : ( 1 ) the microwave absorption of atmosphere gas have obvious attenuation at the wavelengths for cloud detection, thereinto, the water attenuation effect changes greatly, so the 94ghz cloud detecting radar should have water vapor attenuation correction scheme. ( 2 ) when 37ghz and 94ghz radars detect clouds, the difference between the atmosphere and cloud attenuation and the large variety of radar reflectivity conduce the intension of the radar backscatter signals change. ( 3 ) for the thin cloud layer and low water content of cloud, 37 - ghz radar backscatter signals are not as good as 94 - ghz radar, that is to say that the 94ghz radar has better capability in thin clouds detection

    本工作得出如下結論: ( 1 )大氣氣體的微波吸收在測雲波段產生明顯的衰減,其中水汽衰減效應變化很大;即將上天的空間94ghz測雲雷達必須有水汽衰減訂正方案; ( 2 ) 37ghz和94ghz雷達測雲,由於大氣和雲衰減不同和雷達反射率的很大差異,導致雷達回波信號強弱不同; ( 3 )對雲層較、含水量較少的雲,在不計雷達參數的情況下, 37ghz雷達回波信號不如94ghz測雲雷達,也就是說94ghz對雲有更強的探測能力;對雲層較厚、含水量大的雲,由於強衰減的作用, 94ghz雷達回波信號小於37ghz雷達; ( 4 )從大氣衰減的不因素方面考慮,空間94ghz雷達測高層雲的效果最好;測低層雲時需要考慮氣體衰減訂正;因濃厚雲的強衰減作用,探測其中下部的能力大大減弱,不僅要進行衰減訂正,而且要藉助其他信息來反演整個雲層的含水量垂直分佈; ( 5 )為了得從極到極濃厚雲的垂直分佈探測能力,未來測雲雷達系統最好採用雙波長甚至三波長(如94 、 37和13ghz ) 。
  4. The tests were conducted in the hypersonic low density wind tunnel at nominal test conditions of mach 16, stagnation temperature 923k, stagnation pressure 1. 40mpa and 7. 30mpa. heat - transfer data were obtained on a hemisphere model, a sharp cone and a big blunt cone respectively by means of infrared thermal mapping techniques, that of a 0. 5mm thickness blunt cone by virtues of thermocouples. furth ermore, heat - transfer on all those models was calculated with the theoretical method

    最後在名義m _ = 16 、 t _ 0 = 923k 、 p _ 0 = 1 . 40mpa及7 . 30mpa的高超聲速低密度風洞中,用紅外熱圖技術得了半球圓柱、尖錐、大鈍頭三個模型表面熱流分佈,壁法技術得到了一壁厚為0 . 5mm的鈍錐模型表面的熱流分佈,並通過工程理論方法計算了模型表面的氣動熱,把理論計算結果與上述試驗結果比較,幾者符合得較好。
  5. Based on the 3d geometry vision, using java3d, for each of worktable and sine welding seam part of sheet, the ve modeling experiments achieve the construct of macrostructure, security virtual thickness and virtual guide based on error, and accomplish the space restriction of robot running. via the structured laser sensor ’ s getting three - dimension information, the experiments achieve the modeling of sine welding seam part of sheet by using programming

    在立體視覺傳感系統得三維信息的基礎上,用java3d建模技術,分別對工作臺、板正弦曲線焊縫工件進行建模實驗,完成了虛擬環境中宏觀環境模型的建立,並根據誤差建立了安全虛擬厚度和虛擬向導,完成了對機器人運動的空間約束;通過結構光傳感器得三維信息,編程實現對板正弦曲線焊縫模型的建立。
  6. By using laser machining device, laser cleaning experiments of gold _ plating thin film on optical glass surface have been studied, laser cleaning threshold and damage threshold of gold _ plating thin film have been obtained

    用激光加工機對光學玻璃表面的鍍金膜進行了激光清洗試驗,得了鍍金膜的激光清洗閾值和損傷閾值。
  7. Specialized in ptfe processing and with advance technology and equipments, perfect quality control system, many years of processing experiences we make developments and innovations continuously. the quality of our ptfe sheet and film which is processed with import ptfe powder is super to the state standard and are awarded gold medal on the 10th china new tech and products fair. " based on quality and honesty, make improvement continuously to meet with customers satisfaction. " is our quality

    公司研製開發的聚四氟乙烯模壓板,各項指標均優于國家和交通部頒布的質量標準,榮「第十屆中國新技術,新產品博覽會金獎」 ,並得「河北省高新技術產品證書」開發的ptfe膜產品採用進口樹脂,各項指標均優于部頒標準,性能穩定,質量上乘,榮「第十屆中國專新技術新產品博覽會金獎」和「河北省高新技術產品證書」 。
  8. By increasing the h2 dilution ratio, it is found that atomic hydrogen can selectively etch amorphous phase and stabilize crystalline phase. from the study on the distance from substrate to catalyzer, choosing a proper distance can ensure the gas fully decomposed, while a relatively low substrate temperature can cause the nanocrystalline particles to lose mobility and keep their sizes. the pre - carbonization process can enhance the nucleation density and make the growth of high quality nanocrystalline p - sic films much easier

    實驗結果表明:隨著工作氣壓的減小,膜的晶粒尺寸有所減小;通過提高氫氣稀釋度,用原子氫在成膜過程中起的刻蝕作用,可以穩定結晶相併去除雜相;選擇適當的熱絲距離能保證反應氣體充分分解,又使襯底具有較高的過冷度,是形成納米膜的重要條件;採用分步碳化法可以提高形核密度,有得高質量的納米- sic膜;襯底施加負偏壓可以明顯提高襯底表面的基團的活性,因負偏壓產生的離子轟擊還能造成高的表面缺陷密度,形成更多的形核位置。
  9. The novel method of liquid phase epitaxial growth process of p - sic from p - sic film on si substrate in c - saturated si solvent is further investigated. some processes of acquiring the fundamental technical parameters and some solution to some critical technical problems are introduced. especially, the optimized technical schemes of effectively restraining such a - sic polytypes as gh - sic coring and growing in p - sic epitaxial growth process is presented

    用硅襯底上的- sic膜從碳飽和硅熔體中外延生長- sic晶體的創新方法進行了工藝探索,介紹了基本工藝參數的取過程和幾個關鍵工藝問題的解決方法,特別是提出了通過工藝條件的調控來有效抑制6h - sic等型同質異構體在- sic生長過程中成核生長的工藝方案。
  10. On the other hand, strawberry growers in central california do not benefit from earlier harvest market - wise, but plastic mulch is widely used for another purpose, specifically fruit quality

    相反,加福尼亞中部的草莓種植者並沒有益於提早收的市場優勢,但塑料膜覆蓋廣泛用於其它目的,特別用於提高果品品質。
  11. In the present thesis, znse, znte and their quantum well ( qw ) structures on si substrates with zno as buffer layer by low pressure metal - organic chemical vapor deposition ( lp - mocvd ) technique were prepared. zno is selected as the buffer layer for it has many similarities with the oxide layer on the surface of si wafer. all important experimental results and conclusions presented in this thesis are summarized as follows : 1

    本文中,我們用zno與si襯底上氧化層? sio _ x有很好的浸潤性這一特點,採用zno作為緩沖層,用低壓-金屬有機物氣相沉積( lp - mocvd )設備在si襯底上生長znse和znte膜以及zncdse znse和zncdte znte量子阱結構,並對其發光特性進行了研究,得的主要研究結果如下: 1 、在si襯底上得了較高質量的zno膜。
  12. Using the microwave selective heating property for materials, by setup equivalent equation, and first time inducing the electromagnetic field perturbation theory to the design of heating materials for substrate in mpcvd, three temperature distribution modes were established, including temperature distribution comprehensive mode of inhomogeneous plasma, temperature distribution composite mode of composite substrate materials, temperature distribution perturbation mode of composite materials, which ii provided an whole new technology route to the design of substrate heating system in mpcvd and guided the preparation of heating materials for substrate. and then the heating materials for substrate were designed and optimized to obtain large area homogeneous temperature distribution even larger than substrate holder ' s diameter. as an important part, this thesis researched the nucleation and growth of diamond films in mpcvd, systematically researched the effects of substrate pretreatment, methane concentration, deposition pressure and substrate temperature etc experimental technologic parameters on diamond films " quality on ( 100 ) single crystal silicon substrate in the process of mpcvd, characterized the films qualities in laser raman spectra ( raman ), x - ray diffraction ( xrd ), scanning electron microscopy ( sem ), infrared transmission spectra ( ir ), atomic force microscopy ( afm ), determined the optimum parameters for mpcvd high quality diamond in the mpcvd - 4 mode system

    該系統可通過沉積參數的精確控制,以控制沉積過程,減少金剛石膜生長過程中的缺陷,並採用光纖光譜儀檢測分析等離子體的可見光光譜以監測微波等離體化學氣相沉積過程;用微波對材料的選擇加熱特性,通過構造等效方程,並首次將電磁場攝動理論引入到mpcvd的基片加熱材料的設計中,建立了非均勻等離子體溫度場綜合模型、復合介質基片材料的復合溫度場模型及復合介質材料溫度場攝動模型,為mpcvd的基片加熱系統設計提供了一條全新的技術路線以指導基片加熱材料的制備,並對基片加熱材料進行了設計和優選,以取大面積均勻的溫度場區,甚至得大於基片臺尺寸的均勻溫度區;作為研究重點之一,開展了微波等離體化學氣相沉積金剛石的成核與生長研究,系統地研究了在( 100 )單晶硅基片上mpcvd沉積金剛石膜的實驗過程中,基片預處理、甲烷濃度、沉積氣壓、基體溫度等不同實驗工藝參數對金剛石膜質量的影響,分別用raman光譜、 x射線衍射( xrd ) 、掃描電鏡( sem ) 、紅外透射光譜( ir ) 、原子力顯微鏡( afm )對膜進行了表徵,確立了該系統上mpcvd金剛石膜的最佳的實驗工藝參數。
  13. By sufficiently making use of the knowledge of the semiconductor, we have analyzed the transference and scatterance of the carriers as well as their emergence and being captured by disfigurement in crystal lattice from angles of crystal micro mechanism, the structure of the energy band and the crystal potential field

    本文充分用半導體的能帶理論,從膜晶體結構、能帶結構和晶體勢場的角度,分析載流子的遷移、散射以及載流子的產生和晶體結構缺陷對載流子的捕
  14. On the basis of the features of the smuggling crime involved tax and combining the weak aspects in the criminal investigation, the author analyzes how to find and collect the trace, how to capture the evidence, how to enforce the counterpolicy consciousness and other methods. the second one is the legal counterpolicy. according to some laws and regulations, the author puts forward more perfect suggestion

    的特點,從海關監管環節和走私犯罪的流程方面加以研究,結合我國目前涉稅走私犯罪偵查中的弱環節,著重提出了偵查線索的發現和收集,取犯罪證據的基本方法,增強謀略意識,開展秘密偵查,充分用現代科學技術,提高偵查水平等對策
  15. The uv - vis - nir spectroscopy and tauc method are used to calculate the optical gap of dlc films. the result that hydrogen content is 10 ~ 25al % is deduced by the data of the optical gap and fully constrained network ( fcn ) model. thus, a new method, by which the hydrogen content of the dlc films can be determined, was obtained by the auther

    由於膜中氫的含量與結合狀態直接決定其結構與特性,本文用uv ? vis ? nir光譜及tauc方法計算得到dlc膜的光學帶隙,並根據光學帶隙數據及完全抑制網路( fcn )模型得了樣品氫含量為10 25這一結果,從而提出了一種簡單確定dlc膜中氫含量的新方法。
  16. By using these mode - locking devices on novel thin - disk solid state lasers and optically pumped vertical - external - cavity surface - emitting semiconductor lasers ( opsvf. csel ) to obtain high average output power ultrashort pulses are stated, and it is emphasized that the study of high average output power ultrashort pulses laser can be accelerated greatly by using the quantum dot sesam

    綜述了用半導體可飽和吸收鏡被動鎖模片式固態激光器及光泵浦垂直外腔面發射半導體激光器,得高平均輸出功率超短脈沖的最新進展,並指出量子點半導體可飽和吸收鏡的使用將加速超短高功率脈沖的發展。
  17. Combined with special wettability properties, a - c films may have greater potential applications. in present thesis, a series of a - c films were prepared by magnetron sputtering technique on substrates as si ( 100 ) and glass, and the deposited processes were controlled to adjust the morphology of the surfaces of a - c films. to further obtain the desired wettability, surface chemistry compound of the lotus - like surfaces were plasma modified by optimized processes

    本文採用磁控濺射系統在普通玻璃和單晶硅上得了具有不同表面形貌特徵的非晶碳膜,此外用等離子體表面處理系統,通過改進工藝方法,優化工藝條件,對非晶碳膜表面化學組成進行調控,得了潤濕性能從超親水到超疏水范圍變化的表面。
  18. The mature foreign market experience shows that, when the competition in insurance market is complete, and the underwriting profit is slight, the incentive for further development comes from the profit acquired from insurance funds use

    國外成熟保險市場經驗顯示,當保險市場競爭較為充分之後,承保業務潤已經非常微,保險業進一步發展的動力來自於保險資金運用所得的潤。
  19. 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膜,我們採用金屬有機源和二氧化碳氣源,首次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膜,系統地研究了生長條件以及襯底表面氧化層對膜質量的影響,確定了生長高質量氧化鋅膜的優化條件;為得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得p - zno的困難,我們通過熱氧化zn3n2的方法制備了p - zno ,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膜特性的影響。
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