粗糙長度 的英文怎麼說

中文拼音 [cāozhǎng]
粗糙長度 英文
roughness length
  • : Ⅰ形容詞1 (長條東西直徑大的) wide (in diameter); thick 2 (長條東西兩長邊的距離寬的) wide (i...
  • : 形容詞(粗糙; 不細致) rough; coarse; crude
  • : 長Ⅰ形容詞1 (年紀較大) older; elder; senior 2 (排行最大) eldest; oldest Ⅱ名詞(領導人) chief;...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 粗糙 : (不精細; 不光滑; 不細致; 草率) coarse; rough; crude
  • 長度 : length; longitude; size; extent; footage
  1. When ph value < 0. 5, faster deposition rate, faster growth rate of crystallizing nucleus, which causes bigger crystalline granularity and bad surface quality of the deposits such as crassitude or darkling

    Ph 0 . 5時,沉積速過快,晶核成快,晶粒粒較大,鍍層表面、發黑,表面質量差。
  2. The quality of buffer layer and thin films was analyzed by afm, xrd, rheed and xps respectively. the effect of the experimental parameters such as carbonization time, working pressure, c source gas flow rate, carbonization temperature, different carbonization gas and substrate on the carbonization process was studied firstly. it was observed that the size of particles was increased with the increase of carbonization time and the rms was opposite, but the trend was reduced while the carbonization time was long enough ; the size of particles was increased with the increase of working pressure too, and choosing a proper working pressure could get a smooth surface ; the size of particles was unobviously changed while the gas flow rate was low, but it was notability increased with the increase of gas flow rate while the gas flow rate was high enough, and a smooth surface could be also obtained by choosing a proper gas flow rate ; with the increase of carbonization temperature, the size of particles was increased, the rms is decreased and a good single - crystalline carbonization layer could be obtained, but a rough surface was formed at a excessive high temperature ; the rms of

    對于碳化工藝,側重研究了碳化時間、反應室氣壓、 c源氣體的流量、碳化溫以及不同種類的c源氣體、基片取向等因素對碳化層質量的影響,研究結果表明:隨著碳化時間的增,碳化層的晶粒尺寸隨之變大,表面隨之降低,但當碳化到一定時間之後,碳化反應減緩,碳化層的晶粒尺寸以及表面的變化幅變小;碳化層的晶粒尺寸隨反應室氣壓的升高而變大,適中的反應室氣壓可得到表面比較平整的碳化層;在c源氣體的流量相對較小時,碳化層的晶粒尺寸隨氣體流量的變化不明顯,但當氣體流量增大到一定程時,碳化層的晶粒尺寸隨氣體流量的增大而明顯變大,同時,適中的氣體流量得到的碳化層表面較低;碳化溫較低時,碳化層的晶粒取向不明顯,隨著碳化溫的升高,碳化層的晶粒尺寸明顯變大,且有微弱的單晶取向出現,但取向較差,同時,適中的碳化溫可得到表面平整的碳化層;相比于c _ 2h _ 2 ,以ch _ 4作為c源氣體時得到的碳化層表面平整得多;比起si ( 100 ) ,選用si ( 111 )作為基片生的碳化層的晶粒取向一致性明顯更好。
  3. The scattering intensity of rough surface is computed, while the roughness, polarization, observation station and the refractive index are different, and the wavelength of incident light is 0. 48 m. the results indicates the rougher the rough surface is, the less the coherent scattering is ; the influence of the smaller refrective index is more than larger one by the polarization

    計算了入射光波為0 . 48 m時,不同,偏振態,散射角以及不同折射率的面散射強,結果表明,面越,相干散射越小,非相干散射越強;偏振態對折射率大的介質面影響較小,對折射率較小的介質面的影響較大。
  4. The results show that the carbon / carbon composites with rough lamina have preferred orientation, higher anisotropy and graphitization degree than the carbon / carbon composites with smooth lamina

    結果表明:具有層熱解炭的炭炭剎車副由於其晶格結構較為完善,生組織擇優取向和各向異性均高於含有光滑層結構熱解炭的炭炭剎車副。
  5. For parameter a, there is a close relationship exist between a ( 9, sr ) in two different radar incident angle that can be expressed as : with considering the effects of soil texture, we get the final expression of the inversion model : where mv ( t1 ), mv ( t2 ) is volumetric soil moisture content in two different temp, c, d is soil type related parameters, and v ( t1 ), s ( t2 ) is coresponding bare soil radar backscattering coefficients. inversion results show that for the c band hh polarized radarsat scansar data with a range of incidence angle from 20 to 40, the soil moisture change value can be derived with an acceptable accuracy using the above model. the temporal and spatial soil moisture change patterns are associated with rainfall and vegetation cover, as well as the soil hydraulic characteristics

    利用最新發展的電磁波散射模型研究了不同植被覆蓋地表雷達波對地表土壤水分的敏感性,建立了半經驗植被雷達後向散射模型; 2 ) .研究發現在農作物等矮小植被覆蓋地表,植被層直接後向散射與植被類型相關,且在植被生期,雷達後向散射系數對植被含水量的敏感性要高於對植被高變化的敏感性; 3 ) .解決了單參數雷達地表土壤水分反演問題中,雷達入射角和地表的影響這一難點問題; 4 ) .利用土壤介電模型校正了不同土壤類型對反演地表土壤體積含水量的影響; 5 ) .在以上成果基礎上,建立了完整的單參數雷達地表土壤水分變化探測反演演算法,經地表驗證,模型反演地表土壤水分變化值的精為rmse = 0
  6. The influences of optical feedback and external cavity length on the laser output are studied, and the relation between fluctuations of speckle signal and the transverse velocity of rough surface is discussed

    分析了隨機變化的反饋強與外腔對激光光譜特性的影響。模擬了散斑干涉信號的波動與表面橫向移動速的關系。
  7. The results show that under the same lapping conditions the si3 n4 ball has the lowest material removal rate and the best roundness and roughness, followed by zro2, al2o3, and sic ball

    結果表明:在相同的研磨條件下,具有柱狀晶粒的氮化硅陶瓷球加工速率最低,但圓和表面最容易控制;氧化鋯和氧化鋁陶瓷球表面質量次之,碳化硅陶瓷球加工速率最高,圓和表面最難控制。
  8. Theory analysis shows that surface roughness ' amplitude, wavelength, and texture on the bearing contact surface have a prominent effect on high - speed cylindrical roller bearing elasto - hydrodynamic performances ; reasonable choice of surface roughness ' amplitude, wavelength, and texture may improve effectively high - speed cylindrical roller bearing elasto - hydrodynamic performances

    理論分析表明:軸承接觸表面紋理方向、幅值及其對高速圓柱滾子軸承的彈流特性具有顯著的影響;合理選擇軸承接觸表面幅值、波及紋理方向,可以有效改善高速圓柱滾子軸承的彈流特性。
  9. However in our country, with the influence of procedural idea " in pursuit of absolute objective authenticity " and the procedure mode of transgress of authority formed long time, the system of trial by default is not only very rough in legislative techniques, but also has its serious drawbacks in structure itself

    而我國的缺席審判制由於受追求「絕對客觀真實」的訴訟觀念和期以來形成的超職權主義訴訟模式的影響,不僅立法技術極為,而且本身還存在嚴重的結構性缺陷。
  10. Ceramic grain filters ard made of refined pottery clays added with certain modifiers, and processed of grinding, mixing, shaping and high temperature sintering. they do not contain any substances that harmful to people or environment. they are hard and rough in surface, porous inside the structure, and have the advantages of high mechanical strength, large specific surface area and porosity. when used in water treatment, they behave a activated surface property, a great amount of pollutant entrapment, less water head loss in the filter bed, lower consumption of back - flush water, stable in chemical and gbiologic property, and long service life, ceramic grain filters is a new and efficient filter material to increase the water yield, upgrade the water quality, and save chemicals and energy

    陶粒濾料是以精製陶土為主要原料,摻加適量改性劑,經粉碎,混練,成型和高溫煅燒而製成的,不含任何對人體和環境有害的物質.其表面堅硬,,內部疏鬆,多孔,具有機械強高,比表面積大,孔隙率大的特性.用於水處理中,具有表面性狀好,截污能力強,過濾水頭損失小,反沖洗耗水量低,化學穩定性和生物學穩定性好,使用壽命的特點.陶粒濾料是一種能增加水產量,提高出水質量,節省藥劑和能耗的新型高效過濾材料
  11. The experimental result shows that it can improve significantly the abrasive resistance and increase the service life of the moving parts of shiplock by optimizing the match of supportive materials for abrasion and the value of their hardness, improving the precision and roughness of abrasive parts in the process of production, and applying correct lubrication method to the abrasive parts

    實驗結果表明:對船閘摩擦副材料及硬值進行合理的匹配,提高船閘運轉件摩擦副零件的加工精及表面,以及運用正確的潤滑方式對摩擦副進行潤滑,能顯著提高零件的耐磨性能,較大地延了船閘運轉件的使用壽命。
  12. Ito substrate with an smooth surface of 0. 2nm rms roughness measured by afm was obtained by the developed pre - cleaning processing procedure. mbe growth of znsxse1 - x thin films on ito coated glass substrates were carried out using zns and se sources. the xrd 9 / 29 spectra resulted from these films indicated that the as - grown polycrystalline znsxse1 - x thin films had a preferred orientation along the ( 111 ) planes

    採用分子束外延技術在ito導電玻璃上低溫沉積了zns _ xse _ ( 1 - x )多晶薄膜,詳細研究了薄膜制備的工藝參數,在最佳沉積條件下,制備獲得了晶型為立方閃鋅礦,並具有( 111 )面高定向生結構的柱狀zns _ xse _ ( 1 - x )多晶薄膜,其rms表面最小可達1 . 2nm 。
  13. A comparison of the optical and mechanical performance is made between with iad and without iad. the optical performances include the refractive index the extinction coefficient the packing density the vaccum - to - air shift and the afm images of the surface ; the mechanical performances include the adhesion and the hardness

    光學特性涉及折射率、消光系數、波漂移、聚集密和表面,機械特性涉及硬和附著力。通過研究,發現離子輔助沉積對單層薄膜的光學特性和機械特性均有明顯改善。
  14. The surface of ce02 - ti02 films were very smooth and difficulty to crystallization. the ceo2 - tio2 complex films were nanocrystalline microstructure or microcrystalline even if to heat the substrates or to anneal the films. the ceo2 and tio2 nanocrystalline were not easy congregate and bigger because of heterogeneity interface disturb and have many defect

    組成ceo _ 2 - tio _ 2混合薄膜顆粒粒徑在納米尺范圍3 ? 50nm ,與純ceo _ 2 、 tio _ 2薄膜相比,具有更小的表面和更難結晶,這是由於異質材料晶界的相互干擾,使同質顆粒之間難于聚集而結晶大,薄膜處于納米晶或雛晶態,即使加熱基片或薄膜進行熱處理也無明顯變化。
  15. 2 ) radar incidence angle and surface roughness correction : to make radar incidence correction and eliminate the surface roughness effects, a wide range of surface parameters ( soil moisture, surface rms height, correlation length, incidence angle ) was input to the ibm model to simulate the effect of surface roughness and radar incidence angle on the sensitivity of soil moisture to the radar backscattering coefficient. a simple model was established to simulate the effects of incidence angle and surface roughness. 3 ) establishment of soil moisture change inversion model : according to a modified ibm model simulation results, the bare surface backscattering coefficients can be expressed as a funtion of the dielectric component for a given surface roughness when the surface slope greater than 2. 0, which is valid for most nature surface : in above equation, r0 is the surface reflectivity at normal incidence

    本研究中,首先利用基於微波輻射傳輸方程的微波植被模型和積分方程( iem )模型模擬了各種地表土壤水分含量情況下,植被覆蓋、地表(包括地表均方根高和相關) 、雷達入射角對c波段(頻率4 . 7ghz )水平極化( hh )雷達後向散射系數的影響,在此基礎上,建立模型消除了植被覆蓋、地表、及雷達入射角對雷達後向散射的影響,利用多時相50m解析radarsatscansar雷達後向散射系數圖像反演得到了地表土壤水分變化模式信息。
  16. Influences of axis inclination, length, clamping angle of anchorage, roughness and bonding degree of interface on the displacement of anchorage and repose stability of rock mass were explored

    就錨碇體軸線傾角、、夾持角、接觸界面及結合程對錨碇位移和巖體安息穩定性的影響作了深入探討。
  17. Larger loading capacity under the same specification ; easily establishing lubricant oil film, smaller friction coefficient, higher transmission efficiency, saving energy ; highest accuracy up to grade 3 of din standard ; smoother functioning, lower noisiness and longer service life

    平麵包絡環面蝸桿與普通圓柱蝸桿傳動相比具有更大的承載能力,易於建立動壓油膜摩擦系數小,傳動效率高節省能源具有可磨削性,能達到din標準三級,面優于ra0 . 4而且具有運行平穩噪音低壽命等優點。
  18. The results indicate that arc melting is a good method to produce nb - si system intermetallics due to its simpler technics, lower cost and compact products. however, powder metallurgy is found to be not suitable to produce the nb - si system intermetallics due to its coarse and loose products resulting from the poor molding property of nb and si mixed powders. optical floating zone technology, which is used to fabricate nb - si intermetallic composites for the first time, is also found to be a good way to produce nb - si system intermetallics because of its compact products and good property despite of its relatively high cost

    結果表明,電弧熔煉方法制備得到的nb - si系金屬間化合物比較緻密,且制備工藝簡單,經濟實用,是一種合適的nb - si系金屬間化合物制備方法;由於nb 、 si元素粉末的成型性很差,用粉末冶金方法(熱壓燒結和冷等靜壓)制備的nb - si系金屬間化合物表面、緻密低,且成本較高,不宜用於制備nb - si系金屬間化合物;首次用光學懸浮單晶生技術制備的nb - si系金屬間化合物復合材料緻密很高,盡管成本稍高,但由於性能最佳,也是一種合適的nb - si系金屬間化合物制備方法。
  19. Measurement and characterization of surface texture is an important aspect of precision metrology. historically this has involved partitioning a profile into different wavelength regimes referred to as roughness, waviness and form followed by numerical quantization. parameters computed are then inspected for tolerance compliance to ensure a part performs its intended function. this approach is satisfactory when the specification has been carefully determined and the process is stable. however, when the manufacturing process is under development or when instability or modifications to the process invalidate specifications, there is a need to study surface finish parameters in relation to functional performance or process measures. in this context, the problem of surface texture classification and recognition are discussed. advanced techniques developed for this purpose along with applications are presented. also, the techniques discussed here will be useful across large bandwidth, from the characterization of nano scale to traditional micro scale surfaces

    表面結構的測量與特徵描述是精密計量技術的一個重要方面,傳統上包括將輪廓情況根據不同的波范圍劃分為、波紋和形狀及后續的數字量化.按算得的參數檢查它是否為公差允許,以保證零件執行其指定的功能.當技術特性已經經過仔細確定,並且其過程穩定時,該方法是令人滿意的;但是,當製造過程正在進行中或過程的不穩定、過程變化使技術特性失效時,就需要研究和功能表現及過程評定相關的表面參數.討論了表面結構的分類與識別問題.同時闡述了為此目的而開發的先進技術及其應用.所研究的技術對從納米尺到傳統的微米尺的較大帶寬范圍內的表面特徵描述都是有效的
  20. In this work, the influences of fabrication process on microstructure, dielectric properties, ferroelectric properties and pyroelectric properties of plt films have been studied. plt films were prepared on the pt ( 111 ) / ti / sio2 / si ( 100 ) substrates by radio frequency magnetron sputtering method and then annealed by rapid thermal annealing process ( rta ) or conventional furnace annealing process ( cfa ). with the help of atom force microscopy ( afm ), x - ray diffraction ( xrd ) and some other apparatus, it was found that : lower substrate temperature ( ts ) was helpful for plt films to form better surface morphologies. with the increase of substrate temperature, the dielectric constant of plt films increased

    Afm 、 xrd以及性能測試結果表明:較低的基片溫有利於形成表面均勻緻密的薄膜,且薄膜的表面均方根較小;隨著基片溫的升高,經過快速退火的plt薄膜的介電常數逐漸增大;相比于傳統退火,快速退火縮短了退火時間,提高了薄膜的介電和鐵電性能;快速退火隨著保溫時間的延,大部分鈣鈦礦結構的特徵峰的峰強增大,半高寬減小,峰形越來越尖銳,但當保溫時間為80s的時候, ( 100 )和( 110 )峰的強有所下降,因此保溫時間在60s較為適宜。
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