unit density 中文意思是什麼

unit density 解釋
單位密度
  • unit : n 1 個體,一個,一人。2 (計值、組織、機構)單位;單元;小組,分部;【軍事】部隊;分隊。3 【機械...
  • density : n. 1. 稠密;濃厚。2. 【物理學】濃度;密度;比重。3. 愚鈍,昏庸。
  1. 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

    快速電解獲取高濃度na _ 2feo _ 4溶液的方法,主要包括四個方面:採用兩陰極室夾一厚度較小的陽極室的隔膜(或離子膜)電解槽;使用比表面積較大的鐵網陽極;保持陽極室中有適宜濃度的濃naoh溶液;採用較低的電流密度和較高的電解速度。具體工藝參數是: 14 16mol / lnaoh溶液、溫度303 308k 、表觀陽極電流密度300a m ~ 2 、有效單位電解速度6 . 0a / l 。
  2. The results show that : the main driving forces of arable land change of shouguang county are the per capita income, the ratio of the pasture output value, the ratio of the cropping output values and the ratio of agricultural labor force proportion ; the main driving forces of arable land change of quzhou county are the variation of grain yield per unit area, the ratio of the pasture output value, the ratio of the cropping output values, the ratio of grain field areas and the population density

    結果表明:壽光市耕地變化的主導驅動力包括人均收入、牧業總產值比例、種植業總產值比例和農林牧漁業勞動力;曲周縣耕地變化的主導驅動力包括糧食單產、牧業總產值比例、種植業總產值比例、糧田面積佔耕地面積比例和人口密度。在此基礎上,揭示縣域尺度上耕地變化的驅動機制,並為進一步進行土地利用覆蓋變化研究積累方法和經驗。
  3. Textiles - yarn from packages - determination of linear density mass per unit length by the skein method

    紗線線密度的測定絞紗法
  4. Hole density : the number of holes per unit area on a pcb

    孔密度: pcb上單位面積上的孔數。
  5. Standard classification for standard plastics industry bulk box pallet unit size classified by bulk density

    按散裝度分類的標準塑料工業散裝箱托盤裝置規格的標準分類
  6. And the delta genetic unit includes distributary channel, distributary bay, small lake of delta plain, swamp, distributary estuary bar, frontal delta mud and sandy density flow and so on. the fluvial system is composed of channel, channel side and flooding basin

    其成因相包括分流河道、決口扇及決口河道、分流間灣、三角洲平原小型湖、沼澤、分流河口壩、前三角洲泥及砂質重力流等;該區河流體系由河道、河道邊部及泛濫盆地等沉積組合構成。
  7. The 32 - bit cpu core with enhanced multiply accumulate emac unit provides optimum performance and code density for the combination of control code and signal processing required for mp3 decode, file management, and system control. fs2401clqn is a single - chip mp3 audio decoder

    當用戶端的pc與存儲媒介之間透過usb 2 . 0介面做資料交換時,因僅需要cpu最低程度的參與,而大多是以硬體處理方式,所以可以達到高速傳輸的目的。
  8. The extra space allows for more room to maneuver and decreases the density of friendly forces, which in turn increases the security of the unit by making it harder for an enemy to inflict large casualties via a sudden ambush or explosive trap

    更大的間隔給了隊伍更大的運動空間,降低了隊員密度,敵人就難以通過伏擊或路邊炸彈把我們一窩端,從而增強了安全性。
  9. Considering the vectorial property of the time - average energy flow density, a new extensive definition of the light intensity has been proposed. it is expressed as the time average of the amount of energy which crosses in a unit time and a unit area, so it can be applied to measure quantity of the light intensity at any curved surface

    對于非傍軸標量光場能量傳輸規律的描述則必須考慮其能流密度的矢量特性,應當採用光強的精確定義? ?單位時間單位面積上所流過能量的時間平均值來精確地描述某一橫截面上的能流,這也與光強的實際測量值是一致的。
  10. By the charge density we mean the per unit volume.

    所謂的電荷密度是指單位體積的電荷。
  11. Textiles. yarn from packages. determination of linear density mass per unit length by the skein method

    紡織品.筒子紗.用絞紗法測定線性密度
  12. The probability of normal r. v. with absolute value less then and equal to one, two, and three unit standard deviations are calculated from error function, the cumulate probability distribution of normal density

    常態分佈隨機變數絕對值小於等於一個、兩個、三個標準差之機率分別代入累積機率分佈函數(誤差函數)算出其對應之機率。
  13. Standard test method for density and unit weight of soil in place by the rubber balloon method

    用橡膠氣球法測定現場土壤密度和單位重量的標準試驗方法
  14. Standard test method for density and unit weight of soil in place by the sand - cone method

    用砂錐法現場測定土壤密度和單位重量的標準試驗方法
  15. This program can be used to calculate continuous enclosure type isolated - phase bus of different volt and current conveniently. secondly, it calculates a series of rational continuous enclosure type isolated - phase bus for the external diameter of the enclosure is 900mm, analyzes and calculates the magnetic fields of the continuous enclosure type isolated - phase bus by using limited unit method. from this it acquires the distributions of magnetic fields and magnetic density as well as the eddy current

    其次,以全連離相封閉母線外殼外徑為900mm的情況進行了理論計算,計算了多種預選方案,採用有限元方法對全連離相封閉母線場域的電磁場進行了數值計算,得出了設計母線的電磁場及電密分佈以及渦流等情況,並對所得結果進行了分析。
  16. Our research group proposed a model for osmotic - regulation in guard cell vacuoles ( gcv ), which is depended on reversible disaggregation of particles and modulated by ph in gcv. published evidences for this model show a great increase of the distribution density going with obvious decrease in volume of the particles in gcv of open stomata in comparison with that of the stomata before open ( closed ). during stomatal opening there is an acidification in gcv of about - 0. 5 ph unit

    作者所在試驗室提出了保衛細胞液泡內顆粒狀物質在ph介導下可逆解聚的滲透調節模型,並已發表了支持該模型的氣孔開放過程中的實驗證據(氣孔開放前後顆粒狀物的分佈密度極大增加;氣孔開放過程伴隨液泡ph的下降[約0 . 5單位] ) 。
  17. Finally the formula of unit sediment rate of density flow in xiaolangdi reservoir has been pointed out and the data of other reservoirs has been verified

    最後,給出了小浪底水庫異重流單寬輸沙率公式,並得到其它水庫資料驗證。
  18. In the simulation model, the cellular automata model is applied to describe the tunnels system, and a cellular is used to represent an energy unit of flame, which is eradiated from the fire - point and contains such status parameters as temperature, velocity, smog density, density of poisonous gases

    在該方法中,用元胞自動機模型描述地下礦巷道網路系統,用元胞來描述火焰蔓延能量單元,該單元用火焰溫度、蔓延速度、煙霧濃度和有毒氣體濃度等狀態參數來描述。
  19. In the paper, inductance of unit length and capacity of unit length on parallel transmission lines and coaxial transmission lines are studied according to different cullent density distribution firstly

    摘要本文分別在面電流分佈情形和體電流分佈情形研究了兩根平行傳輸線以及同軸電纜的單位長度電感和單位長度電容。
  20. By calculating the maximum stress of stalk under the condition of different speed of the unit and the location of the action point of pushing stalk, which is done by the module of ansys, the conclusion can be received : the maximum stress is increased with the increase of the velocity of the unit and the process of the pushing stalk can be trouble - free if the location of the action point is raised under the condition that the speed of the unit and the planting density of stalk are definite value

    利用ansys功能模塊對在不同機組作業速度v和推桿作用點l _ 0情況下,莖桿最大應力計算得知:莖稈的最大應力smx隨著機組作業速度v的增加而增大,在機組作業速度v和秸稈密度一定時,提高推稈作用點,可保證推稈過程順利進行。
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