field density 中文意思是什麼
field density
解釋
場強度-
The results show that the chiral symmetry is restored partially when the strange matter density increases and 2 plays a very important role in the strange matter which may approach the constituents of the neutron stars. in additions, we can find that the strange matter density where the - condensate emerges is led to the ratio of the nucleon number to baryon number. and the occurrence of - condensate is only in certain density and gradually increases for higher density, so we guess that - field may be necessary to carefully consider for studying the neutron stars
（ 3 ） -凝聚出現時所對應的奇異物質密度值與核子在奇異物質中的比例有關。另外，雖然本文對夸克凝聚的討論是在低密度的奇異物質中進行的，但是-凝聚的出現卻需達到一定的密度值並且隨密度的增大而遞增，所以我們推測場可能對于仔細研究中子星是一必要因素。 -
Radiation spectrums of relativistic charged particles in a dipolar magnetic field were studied numerically in detail by using the current density of moving charged particles in this paper
摘要從運動的荷電粒子產生的流密度出發，研究了在地球偶極磁場中運動的相對論性荷電粒子的輻射能量譜，並對其進行數值計算。 -
Domain theory provides the mathematical foundation for denotation semantics of computer program languages. it is characterized by the close connection between order and topology, which makes it the common study field of both computer experts and mathematicians. weight, character and density are generally called cardinal functions
一種domain范疇要成為某種語言的語義學模型其基本條件是笛卡爾閉的，因而研究domain范疇的笛卡爾閉性或者說尋找笛卡爾閉的domain范疇就自然成了domain理論中一個十分基本的問題。 -
In conclusion, the variable degree of the soil water properties and bulk density in different layers is water content > wilting point > field capacity > saturation > bulk density
總的來看，各水分特性在剖面各層的變異情況為:含水量>萎蔫含水量>田間持水量>飽和含水量>容重。 -
Bulk density in 0 ~ 20cm, 20 - 40cm and field capacity in 20 ~ 40cm can be simulated with pure nugget effect model, and they are not spatially correlated in sampling scope. 4
O ~加cm 、 20一40cm土壤容重和2 } 40cm田間持水量符合純塊金效應模型，說明在采樣范圍內它們的空間相關性不存在。 -
The coefficient of variation of saturated water content decreased with the depth of profile. the coefficient of variation of bulk density and field capacity fluctuate with depth of soil
飽和含水量的變異系數都隨深度的增加逐漸降低，含水量、容重和田悶持水量的變異系數隨深度的呈波動變化。 -
Minimum usable field - strength minimum usable power flux density pmin
最小可用功率通量密度 -
At the same time, the quality of different - state water was studied. the results show : the soil bulk density of the fir wildwood heightens with the increase of soil depth, specifically 0. 74 > 0. 94 andl. 34g / cm3, the saturated, canaliculus and field moisture contents decrease gradually in layer a, b and c, accordingly the soil total foveola decreases gradually, and the moisture - hold capacity of the soil lessens gradually with the increase of the soil depth ; there is small difference of the soil bulk density between layer a and b in the outer space, which are respectively 0. 92 and 0. 99g / cm3, and the other laws are the same as the in ner in the main ; reverse success often occurs in the low position of the thoroughly - fell trace and plateau marsh is formed
結果表明：冷杉原始森林土壤容重隨土層深度的增加而增大，分別為0 . 74 、 0 . 94 、 1 . 34g cm ~ 3 ，飽和持水量、毛管持水量、田間持水量a層、 b層、 c層逐漸減小，十壤總孔隙度也逐漸減小，土壤的持水能力隨深度的增加逐漸減弱；林外空地a層、 b層十壤容重相差不人，分別為0 . 92和0 . 99g cm ~ 3 ，其它規律與林內人體相同：皆伐跡地的低洼地段容易發生逆行演替，形成高原沼澤地。 -
The studies of plane heterogeneity are as follows : the text counts the parameters of the sandlayers " geometric shape of different sedimentous microfacies ; speculates the conditions of lateral communication by sandstone density according to the method brought forward by j. r. l. allen ; gets a group of parameters including the reservoir thickness, porosity and coefficient of permeability by using kriging method according to the data of logging results ; makes certain the direction of coefficient of permeability with variation function by modeling globosity function ; divides the sandlayers into five types by using the method of flowing cell based on three parameters, that is x h, kxh and h / h, and accounts the favorable region. on the base of above - mentioned studies, the text evaluates the heterogeneity of sandlayers and gives the resolutions to these problems to serve the development of the field
Allen ）等人提出的統計方法，用垂向上砂體密度的界限來推測砂體側向連通情況；根據每口井的測井解釋資料，利用克里金插值法對外間進行插值，得到了一組反映儲層特徵在平面上變化的參數，包括儲層厚度分佈、孔隙度以及滲透率，並且成圖；利用變差函數法，通過球狀函數模擬，確定儲層優勢滲透率方向：根據流動單元法，以儲能系數、容積系數以及凈毛厚度比三個參數為依據，通過聚類分析方法進行流動單元劃分，並且按照參數特徵將其分為五類，統計各砂層有利流動單元區塊。 -
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。 -
Studies by hargrave and geen estimated natural community graz - ing rates by measuring feeding rates of individual zooplankton species in the laboratory and then computing community grazing rates for field conditions using the known population density of grazers
由哈格雷夫（ hargrave ）和吉恩（ geen ）所進行的研究，對自然條件下的群落食草比例進行了估計，其手段是通過測量出實驗室內單獨的浮遊動物種類的結食比例，然後利用已知的食草動物種群密度，計算出實地狀況下的群落食草比例。 -
In this article, the fundamental principle and current research of optical data storage including cd and dvd, three - dimensional optical data storage and near - field high - density optical data storage are summarized. a two - dimensional finite difference time domain program for analysis of solid immersion lens system is compiled
本論文概述了已產業化的以cd和dvd為代表的光盤存儲技術和在開發中的高密度光存儲技術（主要包括三維光數據存儲技術及近場光學超高密度光存儲技術）的原理及研究現狀。 -
On the basis of field investigation and a lot of tests, the paper detailed researches the engineering geology properties of xigeda filling material. the distinction of the modulus of resilience was analyzed, and the influence of the intrinsic factors including moisture content, dry density, mudstone content and the external factors including compaction mode, paving thickness were adequately discussed. based on the researching how various factors influence the road compaction effectiveness, the author studied the relationship between modulus of resilience and roadbed compaction quality index, connected the compactness with modulus, and listed the data of the modulus in the various compaction area
基於此，本論文在大量現場調查、室內外試驗資料基礎上，詳細研究了昔格達填料的工程地質性質；通過路基回彈模量特徵的研究，充分闡述了含水量、干密度、泥巖含量等「內因」 ，及壓實方式、松鋪厚度等「外因」對路基模量值的影響；在分析眾多因素對路基壓實效果影響的基礎上，開展了回彈模量與路基壓實質量指標間關系的研究，進而把現場壓實度與現場回彈模量有機的聯系起來，給定了不同壓實區間對應的模量值。 -
The great bustard is polyphagia bird, but it feeds mainly on plants. the feeding field habitat selection relate with that whether the grassland burn or not last year. the important factors that determine the feeding field selection are the plant species, vegetative cover score. density hemerrocallis minor and the density of pedacularis sp. on burning grasslandsjthe density of vegetation. insects quanlity. plant species richness and the height of plant are the main factors that determine the feeding field selection on unburning grasslands
大鴇是雜食性鳥類，但以植物性食物為主。對于取食地的選擇往往跟草原上一年是否被火燒過有關。在火燒地，植物種類數、植被蓋度、小黃花菜密度和蒿密度是取食地選擇的重要因素；在非火燒地，植被密度、昆蟲數量、植物物種豐富度及植物高度在大鴇取食地選擇中發揮重要作用。 -
Based on researching the shaft bearing replacer, this paper built the models of electromagnetic field and vortex density in bearing race snap being induction heating
摘要在研究軸承內環感應拆裝的基礎上，建立了感應加熱過程中工件內電磁場和渦流分佈的基本方程。 -
The regularities distribution of the electromagnetic field and vortex density had been simulated by the software matlab, the results of simulation not only proved the existence skin effect but also provided theory evidence for designing and researching of the shaft bearing replacer
通過matlab軟體對被加熱工件進行了電磁場和渦流分佈的計算機模擬，形象描述了工件內電磁場的分佈規律，證明了集膚效應的存在，為軸承感應拆卸裝置的設計研究提供了理論依據。 -
According to basic principle and application experience of black light lamp, the trapping lamps were opened out using the principle of wave, color and taste to trap insect pests imago with the electric networks of frequently vibration and high voltages, it can trap many species and amounts of insect pests, reduce amounts of field ovum, greatly reduce insect pests density, save energy, have low lost, little harm to natural enemy and persons and livestock, have remarkable economic, ecological and social efficiency
摘要借鑒黑光燈的基本原理和應用經驗，再配以頻振高壓電網觸殺的頻振式殺蟲燈，誘集的害蟲種類多、數量大，既大幅度降低了田間落卵量，又顯著減少了蟲口密度；節能省電，成本低；葉昆蟲天敵殺傷力較小，對人畜安全，不污染環境，具有顯著的經濟、生態和社會效益。 -
For amf contact structure, raising axial magnetic field density is an effective way to raise breaking current density in certain range
對于縱向磁場結構，在一定范圍內提高其縱向磁感應強度是提高其電流開斷密度的有效途徑。 -
In it, studies are carried out such as the combustion theory analysis of biomass briquetting, equipment design, thermal performance test, air flow field test, density field test in the hearth, temperature field test, the dreg characteristics, main design parameters and technological and economic evaluation, and so on. the author has gained all kinds of indexes of the equipment and the changing laws of air flow field, temperature field, density field, dreg and main design parameters. this will lay theoretical foundation on design, operation and technology improvement, meanwhile, this will offer actual guidance for development of equipment
本文通過對「生物質成型燃料燃燒設備設計」 、 「生物質成型燃料燃燒設備熱性能試驗」 、 「生物質成型燃料燃燒設備空氣流動場試驗」 、 「生物質成型燃料燃燒設備溫度場試驗」 、 「生物質成型燃料燃燒設備爐膛內氣體濃度場試驗」 、 「生物質成型燃料燃燒設備結渣特性試驗」 、 「生物質成型燃料燃燒設備主要設計參數確定試驗」及「生物質成型燃料燃燒設備技術經濟評價」等方面的系統研究，獲得了生物質成型燃料燃燒設備各項性能指標及燃燒空氣流動場、溫度場、濃度場、結渣性能、主要設計參數變化規律。 -
The critical frequency of the sinusoidal magnetic field increases with increasing magnetic field density
磁場強度越大，正弦磁場的臨界頻率越高。
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