ion density 中文意思是什麼

ion density 解釋
離子密度
  • ion : n. 【物理學】離子。 positive [negative] ion正[負]離子。
  • density : n. 1. 稠密；濃厚。2. 【物理學】濃度；密度；比重。3. 愚鈍，昏庸。
  1. The effects of main process factors such as feeding mode, reaction ph values, and ratio of ammonia and nickel ion, reaction time, agitation, reaction temperature and aging et al on the crystallization course and physical properties of nickel hydroxide were studied in detail. at last, we acquired the optimal preparation parameters, the spherical nickel hydroxide with high tap density and crystalloid degree, perfect flow ability were prepared

    在研究加料方式，氨水的加入量，反應時間、體系ph值、反應溫度、攪拌、陳化等主要工藝條件對ni （ oh ） _ 2結晶過程和物理性能影響的基礎上，確定了較優的工藝參數，制備出了堆積密度和結晶緻密程度較高、流動性較好的球形ni （ oh ） _ 2 。
  2. 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柱區塵埃等離子體密度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柱區的電子密度、離子密度和塵埃粒子密度的徑向分佈。
  3. It helps to keep main and collateral channels of body fee, to improve ion density of blood and to promote the supersession of the old by the new by massaging acupoints and producing stimulus

    通過對人體經穴按摩，指壓按摩和傳導入人體各個器官，產生刺激反射作用，促進人體經絡通暢，改善血液離子濃度，從而達到促進新陳代謝活化經絡消腫之目的。
  4. Prevents melanin from forming by way of adjusting calcium ion density to keep the tyrosinase in inactive state

    藉由調整鈣離子濃度，讓酪胺酸酵素處于非活性狀態，避免黑色素生成。
  5. Through stimulate the body apparatus, it helps to promote the blood circulation, to improve the ion density of blood. in this way to improve the metabolism and to make the channels of the body free from block

    通過對人體各個器官產生刺激反射作用，促進人體經絡通暢，改善血液離子濃度，從而達到促進新陳代謝，活化經絡水腫之目的。
  6. Through stimulate the body apparatus, it helps to promote the blood circulation, to improve the ion density of the blood. in this way to improve the metabolism and to make the channels of the body free from block

    通過對人體各個器官產生刺激反射作用，促進人體經絡通暢，改善血液離子濃度，從而達到促進新陳代謝，活化經絡水腫之目的。
  7. The handheld massager series produced by using chinese traditional massaging medical skill. through stimulate the body apparatus, it helps to promote the blood circulation, to improve the ion density of blood

    本款按摩器是融合最新科技設計的一款新產品，利用光波熱能配合振動對人體進行按摩，促進人體經絡通暢，改善亞健康狀態，從而達到康體保健之目的。
  8. Advanced rechargeable lithium ion batteries are attractive for use in consumer electronic and electric vehicle ( ev ) application because of a favorable combination of voltage, energy density, cycling performance, self - discharge ratio and environmental protection

    鋰離子電池以其工作電壓高、能量密度大、循環壽命長、自放電率低、 「綠色」環保等眾多優點備受人們關注。
  9. The floating potential, electron temperature, ion density and flux density are all varied with the system parameters. the identical parameters we measured in our system is as follows, the electron temperature is from 1 to 4ev, ion density is among the magnitudes of i09 - io

    文中重點研究了ecr等離子體的特性，並對我們的系統進行了langmuir探針和faraday筒測試，研究了等離子體參數隨氣壓、微波功率、偏壓、氣體種類等的變化。
  10. The feasibility that kaufman ion source is applied in reactive ion beam etching is discussed. etching characteristics of materials, including pr, cr, quartz, are investigated. the etch rate and mechanisms of such materials are measured and analyzed as a function of ion energy, ion beam density and ion incidence angle in pure ar and chf3, respectively. the etch rate has shown a square root dependence on variation versus

    深入研究了光刻膠、鉻薄膜、石英等光學材料離子束刻蝕特性，分別以ar氣和chf3為工作氣體，研究光刻膠、鉻薄膜、石英等的刻蝕速率隨離子能量，束流密度和離子入射角度的變化關系，得到刻蝕速率與影響因素的擬合方程，為掩模的製作工藝路線提供了實驗依據和理論指導。
  11. 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：當塵埃粒子的溫度較低時，塵埃粒子主要集中在圓柱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，離子在該區域的密度最高。在遠離中心區域，離子和電子呈現雙及擴散特點；當塵埃粒子的溫度較高時，塵埃粒子分佈的區域和高離子密度區域擴大，塵埃粒子離放電器中心越遠，攜帶的負電荷越多。
  12. In the section of fabricating technology, i first discuss the ion beam technology. through the analysis of the effects of each parameter on the surface smoothness, profile fidelity and linewidth resolution in the process of ion etching, the suitable angle of incident ion beam, ion energy, density of ion beam and time of etching are selected combining the actual status of the mask

    在製作工藝的研究方面，首先研究了離子束刻蝕技術，通過對離子束刻蝕過程中各個參數對刻蝕元件的表面光潔度、輪廓保真度和線寬分辨的影響分析，結合掩膜的實際情況選擇出了合適的離子束入射角、離子能量、束流密度和刻蝕時間等參數。
  13. Linear ion density

    線離子密度
  14. This paper studies the application of inductively coupled plasma ( icp ) technology to the etching compound semiconductor insb - in film. by means of single probe and double probe, the ion density and electron temperature of chamber ( 30mm and 50mm in height respectively ) under varied process condition were diagnosed. the spatial distribution of the axial position of the two parameters and the varied curve that the two parameters varies with the power and air pressure are obtained

    利用單探針和雙探針診斷30mm高反應室和50mm高反應室在各種工藝條件下的離子密度和電子溫度，得到這兩個參數在反應室軸向位置的空間分佈、隨功率和氣壓的變化曲線、頂蓋接地和反應室體積對它們的影響，結果表明離子密度為10 ~ 8 10 ~ （ 10 ） cm ~ （ - 3 ） ，電子溫度在4 10ev之間；當頂蓋接地時，該處的等離子體密度明顯大於不接地；在同樣條件下， 50mm高反應室內的離子密度明顯大於30mm高反應室。
  15. This paper mainly study on the technics of preparing nano - si3n4 and icpecvd. seeking for the proper parameter and technics, crystallization of nano - si3n4 powder with muffle furnace, probe the new effective way of improving the properties of nano - si3n4 powder the ion density in the reaction chamber was diagnosed by a langmuir probe. the rules were obtained under different air pressure, different radio frequency power and different position which the ion density changes about from 1010cm - 3 to 1010cm - 3 decreasing as the pressure increases and increasing as the power decreases

    利用朗繆爾探針診斷了反應室內等離子體參數，得到不同位置、不同功率和不同氣壓下等離子體密度的變化規律，結果表明離子密度為10 ~ 8 10 ~ （ 10 ） cm ~ （ - 3 ） ，等離子體密度隨著功率的增大而增大，隨著氣壓的升高而減小，由於離子鞘層的存在，在一定條件下提供了局部等離子體密度穩定的區域。
  16. The air anion bar ' s feature of mount huangshan is : the air ion appraisement coefficient is big, the maximum is 351. 37, the single cofficienl of air ion is small, the minimum is only 0. 09 ; in summer air ion density is high ; when the forest vegetation coverage rate is high ; the area of the natural air anion bar of mount huangshan is not only large, but it " s also distributes to the mountain peak, the distribution area of summit is small

    黃山風景區天然氧吧的特徵是：空氣離子評議系數大，最高達351 . 37 ，空氣離子單極系數小，最小隻有0 . 09 ；夏季大氣離子濃度高；天然氧吧在風景區面積不僅大，而且從山腳至山頂都有分佈。黃山天然氧吧的成因主要源於豐富的森林植被、良好的水文條件。
  17. They are the best district of natural aii anion bar district. in addition, the belonglan and renzipu natural air anion bar " s air negative ion density is also higher, the quality is also fine

    慈光閣以上，包括光明頂、玉屏峰、蓮花峰、天海及從西海水庫向西北延伸至群峰頂這一片以西，空氣負離子濃度低，不屬于天然氧吧區。
  18. The total rna was purified from the germ in the liquid by the guanidine isothiocyantehod method, then the total rna digested by dnase that had not rnase was used for rt - pcr. i change the magnesium ion dencity in the pcr system in order to optimize the pcr condition. at the end i selected the magnesium ion density as 1. 25 mm. the production of rt - pcr was inserted directionally into pgem ? z ( ampr ). the pgem ? z ( ampr ) was used to transform e coli jm109. i got a positive clone through culling and identificatin. the dna sequence inserted into pgem ? z ( ampr ) was sequenced and blasted with the cdna sequence of the # - mannanase mature peptide that got from genbank

    分取誘導培養液中的菌體，用異硫氰酸胍法提取總rna ，總rna再經無rna酶的dna酶處理後用于rt ? pcr 。在pcr擴增目的基因時，通過優選擴增體系，使鎂離子濃度為1 . 25mm時rt ? pcr可順利地獲得目的基因，並能定向克隆到載體pgem ? 3z （ amp ~ r ）中。用克隆載體轉化宿主大腸桿菌jm109 ，通過篩選獲取陽性克隆子，對陽性克隆子進行酶切與pcr鑒定，並對載體中插入的目的基因進行測序。
  19. Plasma characteristics of a rf ion source are investigated by emission spectroscopy. the spatiotemporal spectral line intensities of the first three atomic lines in hydrogen bahner series ( = 656. 28, 486. 13, 434. 05nm ) of rf ion source plasma, are measured with calibrated optical multichannel analyzer ( oma ). some plasma parameters, including electron temperature, hydrogen atom density and hydrogen ion density, are calculated and analyzed using partial local thermodynamic equilibrium ( plte ) theory and abel transform

    實驗採用絕對定標后的光學多道分析系統（ oma ）測定了離子源等離子體不同時間和空間位置的氫原子巴耳末譜線系中前三條譜線（ = 656 . 28 ， 486 . 13 ， 434 . 05nm ）的強度，並採用plte的理論和abel變換方法，計算出了高頻離子源等離子體的電子溫度、氫原子濃度、氫離子濃度等參數在放電的不同階段和徑向分佈情況，並進行了簡要分析。
  20. Upward along the region of great movie of baiyun brook district ; in wenquan district. bailongtan and renzipn is also a natural air anion bar. the ion density of natural air anion bar of songgu and diaoqiao is higher than other natural air anion bar

    松谷、釣橋的天然氧吧負離子濃度比其它天然氧吧高，是質量最好的天然氧吧區，另外，白龍潭和人字瀑的空氣負離子濃度也較高，品質優良。
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