柱密度 的英文怎麼說

中文拼音 [zhù]
柱密度 英文
column density
  • : Ⅰ名詞1 (秘密) secret 2 [紡織] (密度) density 3 (姓氏) a surname Ⅱ形容詞1 (距離近; 空隙小)...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  1. Charles has presented an analysis of the concentric flow of long cylindrical capsules carried in an equidensity liquid in laminar motion.

    查爾斯已對載運于等液體中,以層流運動的長圓形包囊的同心流動提出了分析。
  2. Finally, the positive column is reached where electrons and ions have equal densities.

    最後到達的區域是正區,這里,電子和離子具有相等的
  3. In this paper, we focus on the following three topics : ( i ) density distribution of dusty plasma in the low - pressure collisionless positive column the radial density distributions of electron, ion and dust particle in the low - pressure collisionless positive column are investigated with a fluid theory and a self - consistent dust - charging model

    本文著重以下三個方面的研究: ( )低氣壓無碰撞輝光放電正區塵埃等離子體徑向分佈本文採用流體模型和自洽的塵埃充電模型,研究了低氣壓無碰撞輝光放電正區的電子、離子和塵埃粒子的徑向分佈。
  4. The regional stratigraphic petrophysiacl column, which includes density, magnetic susceptibility, remanent magnetization, electrical resistivity and chargeability, has been set up to help geophysical survey in hebei province

    摘要主要介紹河北省區域地層、磁化率、剩磁強、電阻率、極化率物性的特徵,其地層物性統計表可供河北省境內的重力、磁法、電法勘查使用。
  5. When choose heavy weight rack of position type, type size of salver ( material box ), the weight of goods position and layers shall be considered to determine proper column, beam, forklift or storage truck, which will affect the storage density

    在選用重量型貨位式貨架時,需考慮托盤(或料箱)的尺寸、貨位重量以及疊放的層數,以決定適當的立及橫梁,叉車或堆垛機的選型將直接影響貨物的儲存
  6. When choose heavy weight rack of position type, the size of salver ( material box ), the weight of goods position and layers shall be considered to determine proper column, beam, forklift or storage truck, which will affect the storage density

    在選用重量型貨位式貨架時,需考慮托盤(或料箱)的尺寸、貨位重量以及疊放的的層數,以決定適當的立及橫梁,叉車或堆垛機的選型將直接影響貨物的儲存
  7. Secondly, nonlinear threshold of two - dimensional rt instability was analyzed in planar and cylindrical and spherical geometries. density amplitude was defined relating to instable interface and formulae of nonlinear threshold values for rt instability in three geometries were given, then the lared - s code was used to simulate two - dimensional rt instability in three geometries and simulation results agreed well with the formulae

    其次,討論了二維平面、和球幾何中rt不穩定性發生非線性偏離的閾值問題,給出了三種幾何中擾動振幅的非線性閉值公式,並且用lared一s程序進行了檢驗,計算結果表明和球幾何中的模藕合機制與平面幾何不同,存在幾何效應的影響。
  8. Everything else being equal, a cold air column, because of its higher air density, is heavier than a warm air column and thus produces a higher air pressure

    在一般相同情況下,冷空氣因其較高,會比暖空氣重,因而產生氣壓較大
  9. Whole high definition plank firmness design, stick the black walnut wood quality pvc the skin, and match the last glass plate with flash the silver metals the pillar, mutual, and plus practical function and plastic art that designing with type creativity of innate intelligence, develop the extreme achievement the television cabinet

    全高板穩固設計,貼黑胡桃木色材質pvc皮,搭配上玻璃板和閃光銀金屬,互相映襯,再加上靈性的和式創意設計,把電視櫃的實用功能與造型藝術發揮到極致。
  10. Soil quality. physical methods. measuring of the bulk density of a undisturbed soil sample. cylinder method

    土質.物理檢測方法.原狀土壤樣品的松的測量.圓方法
  11. Test methods for aggregates - determination of dry bulk density by the cylinder method and calcualtion of the ratio of density

    集料試驗方法.用狀法和比率的計算測定干松
  12. 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的高超聲速低風洞中,利用紅外熱圖技術獲得了半球圓、尖錐、大鈍頭三個模型表面熱流分佈,利用薄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。
  13. Numerical simulation results indicate that, for low temperature dust particles, dust particles mainly exist in the area near the column center and their charge - number can be considered as a constant, while in the area where there are no dust particles, ion and electrons are in ambipolar diffusion ; for high temperature dust particles, both the distribution regions of dust particle and high ion density are expanded and dust charge - number is increasing with the distance from the center

    計算結果表明:當塵埃粒子的溫較低時,塵埃粒子主要集中在圓形放電器的中心很小的區域,塵埃粒子攜帶的電荷幾乎是一個常數,受塵埃粒子空間電荷的影響,離子在該區域的最高。在遠離中心區域,離子和電子呈現雙及擴散特點;當塵埃粒子的溫較高時,塵埃粒子分佈的區域和高離子區域擴大,塵埃粒子離放電器中心越遠,攜帶的負電荷越多。
  14. Standard practice for making test cylinders and prisms for determining strength and density of preplaced - aggregate concrete in the laboratory

    在實驗室內進行預置集料混凝土的和強試驗用圓體和稜體製作試驗的標準規范
  15. For a strong pycnocline, the horizontal resistance is small when the cylinder is in the pycnodine and it is large when the cylinder is outside the pycnocline

    對于強躍層的分佈,當樁處在躍層中時,受到的水平波阻較小,而在躍層之外則受到較大的水平波阻。
  16. According the key factors we find, we bring forward a new conception : multilevel suppressor and design a new high performance suppressor whose ion - exchange membrane has bigger areas and using three electrodes including one cathode ( anode ) and two anodes ( cathode ), at the same time we fill the suppression compartment with one kind of ion exchange resin which has moderate exchange capacity. according to our experiment ' s results, we find the new type suppressor has quite high working current efficiency and suppressing capacity. in most cases, the suppressor ' s current efficiency is over 90 % ; the suppressor can transform the naoh ( concentration : 200mmol / l, flow rate : i. oml / min, conductance : over 10000 i - i s cm " ) to pure water ( conductance : 8. 9 it s cm in chapter 3, the high performance suppressor is applied in determination some trace - amounts ions in plating solution, sewage. in this chapter, we also have a research on the gradient ion chromatography

    第二章首先以xyz - 1型電化學抑制為例,分析了電化學抑制的抑制過程得出影響抑制容量的主要因素主要是抑制的電流效率和離子交換膜的極限電流,因此採用中等交換能力的離子交換樹脂作為抑制室的填料以提高電流效率,在通常情況下電流效率可達到90以上;在選用同種離子交換膜的前提下,可通過增加離子交換膜的有效面積達到提高極限電流的目的從而提高抑制的抑制容量,因此提出了多級抑制的概念並據此研製了共電極式高容量電化學抑制,該抑制最高可將流速為1 . 0ml / min ,濃為200mmol / l電導率超過10000 s ? cm ~ ( - 1 )氫氧化鈉溶液抑制為電導率低至8 . 9 s ? cm ~ ( - 1 )的純水,並且具有穩定性高、分析結果準確等優點。
  17. Using the multi - cloud model to fit the ha - spectra data of the april 27, 1981 post flare loop, we obtained the spacial distributions of the four physical parameters in the space of the post flare loop : the line - of - sight velocity v the excitation temperature tex, the micro - turbulence velocity vt and the column number density of the hydrogen atoms at the second level along the line - of - sight direction fields n2

    我們利用多雲模型處理了1981年4月27日太陽西邊緣耀斑后環的三個時段的h光譜掃描資料。通過對1000餘條對稱譜線和不對稱譜線的計算,我們得到了該耀斑后環各個時段在空間上的視向速場,激發溫場,視向上處于第二能態的氫原子柱密度場以及湍流速場。
  18. The influence of nano - al2o3 on the sintering and the properties of the si3n4 ceramics was researched in this paper. the samples with different amount of nano - al2o3 were obtained by using pressureless sintering at 1600, 1650, 1700 in the nitrogen atmosphere. the microstructure and the composition of the ceramics were determined by the means of x - ray, sem, micro - hardness meter etc. it is show that the sisty ceramics can be densified at 1650c to % percent of the theory density through the addition of nano - al2o3 ( the value could be 90 percent by other technique ). the crystalline growth of the cylindrical - si3n4 and the ratio of its longitude to its diameter are increased with the addition of nano - al2o3. a uniform microstructure and an fined crystal as well as more sialon phases can be obtained in the si3n4 ceramics through the addition of that

    實驗結果表明:在碳管爐中、氮氣保護下進行燒結,添加劑為納米al _ 2o _ 3粉末時,由於納米粉末的高活性、高燒結驅動力,在1650就可使si _ 3n _ 4完全地燒結,並使其緻可達理論的96以上(比其它工藝高6左右) ;同時,納米al _ 2o _ 3地加入大大促進了長狀? si _ 3n _ 4的生長和發育及狀晶長徑比的提高,使微觀結構均勻、細化,形成了更多力學性能優異的固體? sialon相,減少了不利於陶瓷材料性能的晶間玻璃相,凈化了晶界。
  19. As reported in the archives of internal medicine, the dieters lost an average of 2. 2 percent of bone density in the lower spine and at the hip

    根據《內科學文獻》報道,節食者下游脊和髖骨平均損失了2 . 2 %的骨
  20. Ni - cd cylindrical cell has the properties of small internal resistance, long service life, resistant to over charge and discharge, low self discharge, wide operation temperature range ( - 20 + 40 ) and high reliability. they are suitable for high rate discharge and widely used in the fields of electrical tools, railway trains, lighting, fire prevention and military

    鎘鎳圓封堿性蓄電池具有內阻小,使用壽命長,耐過充過放電,自放電小,使用溫范圍寬( - 20 + 40 ) 、可靠性高等特點,適用高倍率(大功率)放電使用,廣泛應用於電動工具、列尾電源、照明、消防、儀器儀表以及軍事領域。
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