面積速度 的英文怎麼說

中文拼音 [miàn]
面積速度 英文
areal velocity
  • : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
  • : Ⅰ動詞(積累) amass; store up; accumulate Ⅱ形容詞(長時間積累下來的) long standing; long pending...
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 面積 : [數學] area
  • 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. (快慢的程度) speed; rate; pace; tempo
  1. The study investigated aboveground growths of caragana korshinskii and artemisia ordosica planted in four modes, revealing that in different planting modes their densities, heights and canopy width and biomasses remained unchanged or tended to decrease slightly ; the young shoots of a. ordosica annually grew in a s - shaped cure and the young shoots of c. korshinskii grew fast in spring and grew slowly or cease to grow from july on ; the biomasses and leaf area indexes of c. korshinskii and a. ordosica annually varied in a double peak curve and there were 8 annual plants that invaded in the four planting modes and formed higher coverage ; the quadrat with only a. ordoska appeared to have obviously lower coverage and biomass that the other three quadrats

    摘要對騰格里沙漠東南緣2種人工植被檸條和油篙在4種配置方式下地上部分的生長動態進行了研究,結果表明:不同配置方式下它們的密、高、冠幅和生物量基本不變或略微呈下降趨勢;油篙新梢的年生長動態呈s型曲線,檸條新梢春季生長較快, 7月份以後生長緩慢或基本停止生長;檸條、油篙地上生物量和葉指數的年變化均表現為雙峰型, 4種配置方式下共有8種1年生植物人侵,並具有較高的植被蓋;同其它3個樣地相比,純油篙樣地1年生植物的密、蓋和生物量明顯偏低。
  2. On the whole, the tr and gs of leaf of anthurium andraeanum lind decreased under elevated [ co2 ] and wue increased, these might be beneficial for the increase of pn and chlorophyll as well as accumulation of organic compounds which promoted plant growth and florescence and flower leaf area, furthermore, the improvement of quality

    總之, co :加富條件下紅掌葉片的氣孔導與蒸騰率降低,水分利用效率增加,凈光合率提高,有利於碳水化合物的累,促使紅掌的各項生長指標(株高、葉、生物量)提高,開花比率提高,佛焰苞增大,提前且延長了花期,提高了紅掌的觀賞品質。
  3. The method of modified simplex was applied to optimize the models, and the fitting results show that liu - logistic model was more suitable than logistic model to the actual growth trend of form. taxus chinensis var. mairei population, and the highest growth rate of basal area was the tenth age class, namely the phase when breast diameter was 68 ~ 76 cm

    以胸高斷代替種群生物量,分別採用logistic常規模型及劉金福提出的logistic改進模型對南方紅豆杉種群的增長動態進行研究,運用改進單純形法對模型進行優化,擬合結果表明改進模型比logistic常規模型更符合南方紅豆杉種群的增長趨勢,南方紅豆杉種群的最大增長出現在第10齡級,即胸徑為68 76cm時期。
  4. Mems ( micro electromechanical system ) has become one of the most rapidly development technologies. along with the rapid development of mems techniques, capacitive sensor is used widely whose capacitance changes small, which has put forward the new request to the measurement technique. the common measure for capacitance measurement is that convert capacitance to voltage, electric current or frequency. the area of polar plate of the capacitor becomes smaller and smaller, and the total capacitance of micro capacitive sensor is usually several pico farad only. as a result, its change amount is smaller

    Mems ( microelectromechanicalsystem )近年來發展最快的技術之一,隨著mems技術的快發展,電容式加計的電容變化變化量越來越小,對檢測技術提出了新的要求。在電容式傳感器中,常用電容檢測電路是將其轉換為電壓、電流或者頻率信號。目前的微型電容傳感器的極板變得越來越小,電容總量只有幾個pf ,變化量就更小。
  5. 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,沉過快,晶核成長快,晶粒粒較大,鍍層表粗糙、發黑,表質量差。
  6. Sand has accumulated in a deltaic pattern on both the marine and lagoon sides of the inlets in conjunction with this diminishing current flow.

    隨著水流的減慢,砂質物遂以三角洲的形式堆在進水道向海洋和瀉湖的兩頭。
  7. The method of obtaining high concentration of na2feo4 solution by quick electrolysis mainly contains four aspects : adoption of either a diaphragm or an ionic membrane electrolytic cell in which a thin anodic cell lying between the two cathodes, ( 2 ) using an iron anode that has larger specific surface area, ( 3 ) keeping suitable concentration of naoh in the anodic cell, adoption of lower current density and higher electrolyzing speed. the practical technique parameters follow a s below : the naoh solution of 14 - 16mol / l, the temperature of 303 - 308k, the surface anodic current density of 300a / m2, the unit electrolyzing speed of efficiency larger than 6. 0a / l

    電解獲取高濃na _ 2feo _ 4溶液的方法,主要包括四個方:採用兩陰極室夾一厚較小的陽極室的隔膜(或離子膜)電解槽;使用比表較大的鐵網陽極;保持陽極室中有適宜濃的濃naoh溶液;採用較低的電流密和較高的電解。具體工藝參數是: 14 16mol / lnaoh溶液、溫303 308k 、表觀陽極電流密300a m ~ 2 、有效單位電解6 . 0a / l 。
  8. Qlfm720 、 900 、 1000 、 1200 quickly laminator ( with cutter ) inhabit small area, handle convenient, speed fast, equip automatic temperature - control and speed - adjust, get automatic papers - transport function, and set up automatic one - off cut larger 、 excrescent material, it also can instead of cutting machine

    1200型快復膜機(帶分切) ,該機佔地小,操作方便、快、配有自動控溫調,裝有自動輸送紙張功能,還設有自動一次性分切多卷、多餘材料,可代分切機。
  9. The structure and the construction method of a new type of fascine are introduced herein, of which the advantages are as the follows. ( 1 ) the shortages of the complicated construction process and low construction progress with low efficiency are overcome. ( 2 ) the fascine cage can be industrially made, so as to reduce the working procedure in site. ( 3 ) the heavy construction equipments can be used for the mechanical construction of the single large size fascine cage with high construction speed and intensity. ( 4 ) it is favorable to the environment protection as the amount of the fascine material being decreased

    摘要介紹了新型埽工籠埽的結構形式、施工方法,其優點為: ( 1 )克服傳統埽工施工工序復雜、慢、效率低的缺點; ( 2 )籠埽可工廠化生產,減少現場作業工序和作業后移; ( 3 )充分利用大型施工機械進行大體單個籠埽結合機械化施工,作埽快、強高; ( 4 )減少柳料用量,利於環境保護。
  10. The result shows that with the addition of rare earth elements, ultrasonic irradiation and magnetic field, the chemical component, surface configuration, microstructure and properties of electroless co - ni - b and co - fe - b alloy changes remarkably. such kind of change can be described as the followings. firstly the depositing speed of electroless alloy bath is raised while the polarizability and cathodic overpotential are reduced ; secondly the surface quality of the alloy coating and adhesion of the coating and matrix are improved ; thirdly in the coatings the content of the elements in the transient group increases, but the content of cobalt decreased ; fourthly the amorphous structure is transformed to microcrystal structure and polycrystal structure ; fifthly the microhardness and wear resistance of the coating are enhanced ; sixthly coercitive force is reduced, and magnetoconductivity of the coating is increased ; lastly the magnetic intensity of the coating increases with the addition of energy and light rare earth elements such as ce, la and decreases with the addition of heavy rare earth elements such as y. on the other side, when the alloy coatings passes through the heat treatment under the temperature of 250 or 500, their properties will change

    結果顯示化學沉co - ni - b 、 co - fe - b工藝在稀土元素( ce 、 la 、 y 、 dy ) 、能量(超聲波、磁場)介入后,沉過程、合金成分、鍍層形貌結構和性能都有顯著變化,表現在:鍍液的陰極極化過電位和極化降低,沉提高;鍍層的結合力、表質量改善;鍍層中過渡族元素的含量增加,輕元素硼的含量降低,同時證實了稀土元素與過渡族元素共沉的可能性;鍍層的顯微結構由非晶態向微晶和多晶態轉變;鍍層的顯微硬與耐磨性提高,力學性能優化;鍍層的矯頑力降低;磁導率提高;鍍層的磁化強在能量(超聲波、磁場)和輕稀土元素ce 、 la介入后提高,重稀土元素y介入后降低。
  11. When sn2 + concentration in the bath is lower, sn2 + activity is not enough causes slow deposition rate and slow growth rate of crystallizing nucleus, so crystalline granularity deposited is smaller ; when sn2 + concentration in the bath is higher, the dispersive ability of the bath decreases and the surface quality of the deposits sets worse

    鍍液中sn ~ ( 2 + )濃較低時,離子活不夠,沉慢,晶核成長慢,使沉的晶粒粒較小; sn ~ ( 2 + )濃過高,鍍液分散能力降低,使鍍層的表質量下降。
  12. Thought the pan evaporation, it has been found that the evaporation of shengli crude oil is controlled by the first step and the effect of wind velocity is small. the prediction equation is dw / dt ^ k d ? 2 a ju, y hct / t, which is related with the liquid characters and states ( e. g. thickness, area, viscosity ) and is independent of wind speed

    2 、實驗結果表明,勝利原油蒸發由第一步即蒸發由液體內部易揮發組分向液體表的遷移來控制,因此風影響很小,建立率方程時不必考慮風,只需考慮液體本身的性質和狀態(如厚、表、粘等) ,率方程可寫為: dw dt = kd4 ? 』 a嚴t 。
  13. Piezoelectric elements were bonded on the plate as actuators and the input voltage of each actuator was determined by the velocity of its position and volume velocity of the plate was made zero, through which the sound radiation from the plate could be controlled

    在簡支薄板表粘貼壓電片作為致動器,根據所處位置的確定輸入控制電壓,並使平板的體為零,從而達到控制聲輻射的目的。
  14. Answer please, it is appropriate to travel abroad, a friend of the software. there are five main functions : 1. unit conversion - conversion projects, including commonly used size, density, speed pressure and weight between the metric and english - conv

    有5個主要功能: 1單位轉換-轉換的項目不但包括一般常用的壓力和重量等單位的公制和英制之間的換算,還有工程上用到的線密能量和加的換算。
  15. Because of its own feature of the structure, ellipsoidal cavity has coupling microwave generated from one of the ellipsoidal center, and plasmas generated from the other ellipsoidal centre, so the plasmas is very centralize, so we can enlarge the area of disposition

    橢球諧振腔因其結構的特點,可以滿足大功率的需求,並且耦合微波從橢球的一個球心發出,在橢球的另一個球心產生等離子體,等離子體比較集中,而且沉快,適合大的沉
  16. The relationship between sputtering conditions and the depositional speed shows : with working pressure 1. 2 pa, sputtering power 180w, the depositional speed of tio2 thin film is 40nm / h, and increases with the increasing of sputtering power. it can be also founded that the depositional speed is nearly proportional to the working pressure : within the range of 0. 3pa to 1. 6pa, the depositional speed increases linearly with the increase of ar pressure. with the enhancement of the substrate ' s temperature of sputtering or annealing, the resulted thin films show a tendency of decreasing in thickness, and increasing in refractivity

    本實驗是採用磁控濺射方法,在不同的溫下制備了tio _ 2薄膜,並對薄膜進行了不同溫和時間的退火處理,通過原子力顯微鏡( afm ) 、 x射線衍射( xrd ) 、掃描電鏡( sem )等檢測手段對薄膜的表形貌和組成結構進行了分析,結果如下: ( 1 )濺射工藝條件與薄膜沉的關系表明:採用1 . 2pa工作氣壓, 180w的射頻功率tio _ 2薄膜的沉率為40nm h ,並隨射頻功率的增加而提高,呈近似的線性關系,在0 . 3pa 1 . 6pa氣壓范圍中,氬氣壓強升高沉率迅增加,濺射溫提高和退火處理能使薄膜的厚減小和折射率提高。
  17. The orthogonal experiment has been used to optimize the electrolyte composition and the craft parameters, with the increasing of the main salt and reducing agent concentration in the electrolyte, the electroless plating coating ’ s adhesive strength and the coverage ratio also increase ; increasing the complex agent content, the electroless plating coating ’ s adhesive strength and the coverage ratio exist the maximum value ; the electroless plating deposition rate distinctly increases when the electrolyte temperature and the ph value were increased, but the increasing of temperature and ph value affects the electrolyte ’ s stability

    採用正交實驗對鍍液成分、工藝參數進行了優化,隨著鍍液主鹽、還原劑添加量的增加,鍍層結合強及其覆蓋依次增強,隨著絡合劑添加量的增加,鍍層結合強及其覆蓋先增加然後減少,隨著鍍液溫及其ph值的升高,化學鍍沉明顯提高,但影響鍍液的穩定性。
  18. We taking the factor of generating heat - the multiple value pv of the loading of unit area p and the surface linear velocity v to determine the using limit

    一般情況下,我們用產生發熱的因素單位的負載p和表v的乘pv值來決定使用的極限。
  19. In this paper, the filiform corrosion images of aa6016 - t4 aluminum alloy beneath an epoxy coating were detected and picked out from the image background with digital image processing technique, and some parameters such as corrosion area density, corrosion propagating speed, and projective value of filiform corrosion vertical to the scratch, were calculated from the processed filiform corrosion image, which were probed to evaluate the propagating status of filiform corrosion effectively and reasonably

    摘要運用數字圖像處理技術檢測、提取了塗覆環氧樹脂的aa6016鋁合金絲狀腐蝕圖像,分析探討了由絲狀腐蝕圖像所得到的腐蝕、腐蝕擴展以及垂直於切口方向投影值等參數對評估絲狀腐蝕發展狀況的有效性及合理性。
  20. Computer - aided design of integrated circuits and systems, 1997, 16 : 1213 - 1221. 12 low c p. an efficient reconfiguration algorithm for degradable vlsi wsi arrays

    隨著硬體技術的發展,處理器之間的內部連接對硬體面積速度和電路的功耗產生了巨大的沖擊。
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