source density 中文意思是什麼
source density
解釋
源密度-
The density logger consists of a radiation source.
密度測井儀包括輻射源。 -
Exploding wires phenomenon is that if the high - density energy is poured into metal wire with small transverse section in a short time from high power pulse source, the metal wire will explode into gaseity and generate significant shock wave. the. fundamental reason of the generated shock wave is the plasma
爆炸絲現象（ explodingwiresphenomenon ）是將存儲于高壓電容器中的能量，在極短的瞬間內傾注于很小截面積的金屬絲，使之汽化，產生強大的沖擊波，這種沖擊波產生的根本原因就是等離子體。 -
Our results show that with the up to date experimental data, 13c can not sufficiently burn, the neutron number density decrease, the timescale of neutron source become long and these come into conflict with model of thermal pulse agb star
研究結果表明，在新實驗結果下， 』 3c不能充分燃燒，中子數密度降低，中子源持續的時標變長，這與熱脈沖agb星的現有模型出現矛盾。 -
The appraisal takes the ecology material, the environment material, chemistry material, the toxicology material as the foundation, through the project analysis, the source strong analysis sets a target the pollutant, distinguishes its hazardous nature, the probability, the degree, the scope which the computation risk occurs and so on, the choice appraisal end point, the use appraisal model forecast goal pollutant exposed density, the analysis risk source to the acceptor the harm degree, carries on the risk attribute
評價以生態資料、環境資料、化學資料、毒理學資料為基礎，通過工程分析、源強分析，確定目標污染物，鑒別其危害性，計算風險發生的概率、程度、范圍等，選擇評價終點，利用評價模型預測目標污染物的暴露濃度，分析風險源對受體的危害程度，進行風險表徵。 -
Abstract : adopting the serum - free and animal - source - free medium domestication express cell efficiently, setting up to express system efficiently, suspending culture cell, can raise the cell density in the scale turn the production, strengthen the cell vitality, control cell to propagate level, extension cell culture period, increase the target protein of yield, raise product quality, simplification of produces technics, reduce production cost, then raising the efficiency that the scale turns culture
提要：採用無血清無動物組分培養基馴化高效表達細胞，構建高效表達系統，懸浮培養細胞，可以在規模化生產中，提高細胞密度，增強細胞活力，控制細胞增殖水平，延長細胞培養周期，增加目標蛋白的產量，提高產品質量，簡化生產工藝，降低生產成本，進而提高規模化培養的效能。 -
Direct methanol fuel cell ( dmfc ) is an ideal power source due to the high energy density of methanol and convenient fuel management and low system complexity
直接甲醇燃料電池（ directmethanolfuelcell ， dmfc ）是直接使用液體甲醇作燃料，且不需要氫源重整的發電裝置。 -
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。 -
( 4 ) low - density construction land transformed mainly to high - density construction land, the source of low - density construction land is farmland, no - used land transformed to farmland, greenbelt and, water land, orchard transformed to low - density construction and farmland
（ 4 ）低密度建設用地主要轉變為高密度建設用地，低密度建設用地有耕地轉變而來，未利用土地主要轉變為耕地、城市綠地和水域，園地主要轉變為建設用地和耕地。 -
And the no - isothermal structure can accelerate the breaking of gravity wave in mesospause, and the breaking of gravity wave is an important source of convection and small - scale waves. the propagation of gravity wave will affect the distribution of minor species. the breaking of gravity wave accelerates the downward transport of atomic oxygen, some smaller - scale structures appear on the horizontal distribution of atomic oxygen number density, and other chemical species are also affected due to the chemical reaction with atomic oxygen and the propagation of gravity wave
在重力波的傳播過程中，氫氧大氣成分的水平和垂直分佈均受到了不同程度的影響，以氧原子的響應最為明顯，而其中重力波破碎在氧原子水平分佈上的反應則是非線性重力波過程的一個重要表現；另外，分析顯示，重力波的非線性傳播對oh氣輝的峰值分佈由明顯影響，小尺度重力波的傳播有時會引起oh氣輝出現奇異的雙峰分佈，重力波的破碎現象也可以從對氣輝的觀測中反映應出來，這對利用氣輝觀測研究重力波傳播特性有非常重要的指示意義。 -
A method is proposed, in which the relation between source density ( or drainage density ) and the threshold is used to produce an ideal drainage network, the area threshold when source density ( or drainage density ) show stability is reasonable
提出了一種方法，利用河源密度（或河網密度）與匯水面積閾值的關系，確定匯水面積閾值，當河源密度（或河網密度）趨于穩定時對應合理的面積閾值。 -
Using the inverse model to calculate the distribution of source density, based on gauss smoke plume ' s standard density distribution, environmental capacity of fluoride in the air of northern suburban in xining was found
摘要由高斯煙羽模式推導出的標準濃度分佈推算源強分佈的反演模式方法，計算了西寧市北郊地區環境空氣中氟化物的環境容量。 -
Current source density analysis
電流源密度分析 -
The new requirements for applications in material surface engineering urge a new type of hipib apparatus, for instance, the generation of medium - power - density ion beam, high - stability ion beams and long - lifetime ion source etc. therefore, characterization of high power ion diode - magnetically insulated ion diode ( mid ), the key issue for the technique development, is considered in this dissertation. the investigations of hipib generation and its mechanisms have been carried out in a temp - 6 hipib apparatus, in order to optimize the configuration of ion diode and its ion beam parameters for materials surface treatments
針對強流脈沖離子束（ hipib ）技術研發的關鍵環節?高功率離子二極體（磁絕緣離子二極體）的工作特性，在temp - 6型hipib裝置上開展了hipib產生及其形成機理的實驗研究，確定了優化的離子二極體結構和輻照工藝參數；通過hipib輻照金屬材料燒蝕行為的系統研究，揭示了燒蝕表面形貌的形成規律，為徹底弄清hipib與材料相互作用機理提供了實驗依據。 -
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。 -
The variance of seed setting density and 1000 - seed weight of the different diploid seed plants is highly significant, but it is not significant in the different source of the same line
不同品系的二倍體種株材料在結實密度和千粒重之間的差異性也分別達到0 . 01的極顯著水平，但同一材料的不同母根之間差異性是不顯著的。 -
Micrographics - first generation silver - gelatin microforms of source documents - density specifications and method of measurement
縮微攝影.源文件的第1代銀明膠型縮微製品.密度規范和檢測方法 -
The current trends of this field is to acquire the current density of dipole distribution rather than a few dipoles. based upon that, a new model was proposed - dipole layer localization method ( dllm ) : spherical dipole layer was used as source model, on which dipoles were distributed by equilateral triangles ; three concentric inhomogeneous sphere was used as head model, which contains scalp, skull and cortex with different conductance. the dipole distribution and scalp potential tomography were obtained with singular value decomposition ( svd )
鑒于該領域的研究趨勢已從求取少數偶極子過渡到偶極子分佈密度的獲得，本文提出了新的模型? ?偶極面定位方法（ dipolelayerlocalizationmethod ， dllm ） ：以等邊三角形均勻分佈的偶極子構成的偶極面（球面）作為源模型；包括頭皮、顱骨和皮層的三層同心介質球作為頭顱模型，運用奇異值分解來求解逆問題，從而獲得偶極子分佈和頭皮電位分佈，實現三維成像。 -
Starting from the theory of two photoionization, we simplified the model of the ultraviolet light source, derived the equation for the spatial distributions of the initial electron density between the main electrodes, and then gave a simple method to homegenize the spatial distribution of the initial electron density between the main electrodes
本文從光離化的雙光子吸收這一理論出發，簡化紫外光源模型后，導出了主電極間初始電子密度的空間分佈規律並給出了使其空間分佈均勻化的簡單方法。 -
But owing to the constant presence of air currents, arranging both the dust and vapour in strata of varying extent and density, and of high or low clouds which both absorb and reflect the light in varying degrees, we see produced all those wondrous combinations of tints and those gorgeous ever - changing colours which are a constant source of admiration and delight to all who have the advantage of an uninterrupted view to the west and who are accustomed to watch for those not infrequent exhibitions of nature ' s kaleidoscopic colour painting
不過，由於不斷出現氣流，把法埃與水汽分層排列，廣度不均，密度各異，加上高低空常有雲層，不同程度地吸收並反射陽光，我們這才看到各種奇異的色調斑剝陸離，諸多絢麗的色彩變化萬千；任何人只要有幸將西方的景緻一覽無余，只要有心觀看大自然不時展現的那一幅幅瞬息萬變的彩畫，都會為之贊不絕口，喜不自勝。 -
2227 dual scintillation density instrument, which is a special - purpose instrument to measure ray strength a certain distance from the source, can help to get exact formation volume density
摘要2227補償密度測井儀是測量離源一定距離處的射線強度的專門儀器，能夠得到真實的地層體積密度。
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