density range 中文意思是什麼

density range 解釋
黑度范圍
  • density : n. 1. 稠密;濃厚。2. 【物理學】濃度;密度;比重。3. 愚鈍,昏庸。
  • range : vt 1 排列;整理(頭發等)。2 使歸類[班、行、隊];把…分類。3 〈用被動形或反身形〉加入,站住…的一邊...
  1. Results show that : ( 1 ) for each particle size of andalusite, variation tendency of the properties of the material is generally the same : the maximum of bulk density, compressive strength and rupture strength appears in the range of 5 % - 10 % content of fiber, these properties of the material remarkably decrease as the fiber content exceed 10 % ; while at the same fiber content, the properties of the material increase with the increase of firing temperature

    結果表明: ( 1 )對于不同粒度的原料,性能變化規律大致相同:在同一燒成溫度下,體積密度、常溫耐壓強度、常溫抗折強度在5 10之間出現峰值,加入量超過10之後材料的性能明顯下降;在相同的纖維含量下,隨著燒成溫度的提高,試樣的各項性能均有所上升。
  2. Tunneling process is important in the low to moderate current density range.

    在中等及中等以下電流密度下,隧道穿透過程是重要的。
  3. In this research, the plant esterase of wheat and - ethanoic acid naphthalene ester were taken as materials to inspect the relation between the wheat esterase and the organic phosphorus, ten linearity equations were established which expressed the esterase vigor and the organic phosphorus density logarithm with the change of the numerical value of ultraviolet resorption, and the monotony range and the extremum of the function were confirmed

    摘要本研究以小麥為植物酯酶的酶源, -乙酸萘酯為底物,考察了小麥酯酶與有機磷農藥之間作用的關系,建立了10個以吸光值變化表示的酶活性與有機磷農藥濃度對數之間的線性方程,並確定了函數的單調區間和極值。
  4. From the d - min of pure white highlights through the d - max of jet black shadows, a wider density range than ever before

    從描繪純白的高光的d - min到表現漆黑的陰影的d - max ,實現了前所未有的寬廣濃度再現域。
  5. Previous researchers have always determined the sp atial distribution patterns ( sdp ) of castanopsis kawakamii with a sample - dis tance method. however, the distribution patterns may be affected by the quadrat si ze and, in the course of analysis, the density differences among the cluster plots are not considered ; therefore, differences of cluster plot size and the dispersi on degree among individuals of cluster plots can not be known. authers of this pa per have determined the spatial distribution patterns of castanopsis kawakamii population in different habitats by means of non - quadrat distance method and a nalysed the pattern intensity and grain of the sdp. the pattern intensity is defi ned with the relative density differences and the pattern grain can embody the d ispersion degree of the individuals in the plots, and the dispersion degree among the plots. the determined results are as follows. the intensities of the species range in order from strong to week : litsea mollifolia p. kawakamii i. purpure a r. cochinchinensis c. kawakamii c. carlessii d. oldphamii s. superba. the gra ins of the species queue in order from coarse to close : s. superba = litsea mollif olia r. cohinchinensis c. kawakamii = i. purpurea c. carlessii p. racemosam d. oldp hamii. these determined results tally basiclly with the results authers of this paper have got in determining the same plots by means of aggregate index access ing method. in view of this, it is held that the sdp of c. kawakamii is closely related to the habitats and biological features

    前人都是採用樣方方法對格氏栲種群數量的空間格局進行測定,而格局分佈有可能受樣方大小的影響,且分析過程中沒有涉及聚塊間密度差的問題,因而無法掌握種群的聚塊大小差別及聚塊內個體間的離散程度.本研究採用無樣方距離法,測定不同生境的格氏栲種群空間格局,分析格氏栲種群格局的強度和紋理.強度以聚塊和間隙的密度差來定義,紋理則是體現聚塊內個體間的離散程度與諸聚塊間的分離程度.測定結果表明,格氏栲種群格局強度從高到低排列次序為:木姜子蚊母樹冬青茜草樹格氏栲米櫧虎皮楠木荷;格局紋理從粗到細的順序是:木荷=木姜子茜草樹格氏栲=冬青米櫧蚊母樹虎皮楠.這一測定結果與作者採用聚集度指標測定相同樣地格氏栲種群空間格局的結果基本相符.因此,格氏栲空間格局類型及分佈與格氏栲生物學特性及生境的關系密切
  6. It has noncombustible, non - toxic, corrosion resistance, bulk density of small, low thermal conductivity, chemical stability strong, and low moisture absorption rate, hydrophobic good, and many other advantages, is recognized superior insulating properties, thermal insulation, sound - absorbing materials with a wide range of purposes

    它具有不燃、無毒、耐腐蝕、容重小、導熱系數低、化學穩定性強、吸濕率低、憎水性好等諸多優點,是目前公認性能優越的保溫、隔熱、吸音材料,具有十分廣泛的用途。
  7. The anton paar density and sound velocity analyzers combine two independent parameters, density and sound velocity, to cover a wide range of applications such as quality control in beer and soft drink production, concentration determination of sulphuric acid and oleum or ternary solutions

    安東帕密度和聲速分析儀結合兩種獨立參數- -密度和聲速,覆蓋大范圍的應用如:啤酒和軟飲料生產中的質量管理、硫酸、發煙硫酸或三元混合液體濃度的測定。
  8. It is firstly found that for alloys in metastable region, with enhancement of atomic interaction energy, volume fraction and density of " phase particulate are increased, size and nucle ' ation rate of ordered phase raised, decline pace of composition in disordered matrix around the order phase is accelerated, composition order parameter and long range order parameter of ordered phase increased, i. e. process of clustering and ordering are accelerated

    首次發現,隨著原子間相互作用勢的增加,亞穩區合金中有序相的體積分數和顆粒密度有所增加,有序相的尺寸和形核率有所提高,有序相周圍的無序基體濃度的降低有所加快,有序相內的成分序參數和長程序參數有所提高,即促進了原子簇聚過程和有序化程度。
  9. 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。
  10. Hollow ferrites particles are the alternative to conventional solid ferrites particles, which have lower density, larger specific surface area and stability. moreover, it is expected electromagnetic wave can be reflected and absorbed again and again in the cavum of hollow particles which become its black hole. in addition, their electromagnetic parameters can be adjusted in a certain range by changing the thickness of the shell and the diameter of hollow microspheres, and the ability of absorbing microwave can be expected to improve

    空心結構的鐵氧體是對傳統實心鐵氧體的改造,不僅密度小,還具有特殊的電、磁功能,有可能使電磁波在其空腔中反復振蕩吸收,成為電磁波的「黑洞」 ,從而增加材料的吸波能力,同時可通過調節核殼粒子的內外徑來調控電磁參數。
  11. The results show that by using the brightener, current efficiency is improved and bright, corrosion resistant zinc deposits are obtained at a wide current density range

    結果表明:使用該光亮劑能提高鍍液的電流效率,且在很寬的電流密度范圍內獲得光亮、耐蝕的鋅鍍層。
  12. Schedule for compressibility factors for petroleum hydrocarbons in the density range 638 kg m3 to 1074 kg m3

    密度為638公斤立方米- 1074公斤立方米范圍的石油烴壓縮系數一覽表
  13. But it also includes two fatal disadvantages : first, at is difficult to be sintered and its density is low, which causes its lower strength ; second, in the temperature range of 1023 - 15 73 k, at can decompose into al2o3 and tio2 easily, which can cause the stress concentrated and raise the heat expansion rate

    但是該材料本身存在的兩大致命的缺點,在很大程度上限制了它的廣泛應用: ( 1 ) 、鈦酸鋁難以燒結,燒結體的緻密度低,因而強度不高; ( 2 ) 、在750 1300的溫度范圍內易分解成氧化鋁和二氧化鈦,造成材料內部應力集中,並使材料的熱膨脹率升高。
  14. It has been confirmed practically that the diamond highness above base material can be adjusted with the range when the generator is put into use, and the result shows that the current density drop sharply with the increase of machining gap

    結果表明,間隙值的擴大伴隨電流密度的顯著下降,檢測電解電流控制脈沖能量的方法對實現電蝕層厚度基本可控是可行的,可讓金剛石突出一定高度。
  15. For the sake of overcoming the two fatal disadvantages of at that its density and strength is low, and in the middle temperature range it can decompose into ahos and tic > 2 easily. in this dissertation, magnesium dititanate ( mgti2os, m2t ) is introduced to form solid solution to restrain the decomposition and improve the strength of at in high temperature

    為克服at強度偏低和中溫域易分解的缺點,本文引入與at晶型相同的二鈦酸鎂( mgti _ 2o _ 5簡稱m2t ) ,通過與at形成固溶體以抑制鈦酸鋁中溫分解,並滿足其力學強度。
  16. Select the appropriate density of foam to meet packaging needs, which can range from void - fill applications to high - performance cushioning

    從填充空間至高效能護墊的不同需求,選取適當的泡沫密度以符合包裹的需求。
  17. Select appropriate density of foam to meet packaging needs, which can range from void - fill applications to high - performance cushioning corrugated liners and inserts

    從填補空間至高效能護墊的不同需求,選取適當的泡沫密度以符合包裹的需求
  18. Select the appropriate density of foam to meet packaging needs, which can range from void - fill applications to high - performance cushioning corrugated liners and inserts

    從填充空間至高效能護墊的不同需求,選取適當的泡沫密度以符合包裹的需求
  19. In recent years, short - wavelength solid - state lasers in the ultraviolet to green spectral range have attracted much attention due to a wide range of applications including high - density optical data storage, all color displays, undersea communications, biomedicine and infrared sensors

    作為光電子產業的核心器件之一,緊湊型全固體短波長激光器在高密度光學存儲、全色激光顯示、海底通信、生物醫學和光譜學等領域具有廣闊的應用前景。
  20. Based on the test results of dynamic consolidation for the foundation of actual project, the influence of dynamic consolidation on soil ? s density, compressibility, collapsibility and so on is analyzed, and the project effect of dynamic consolidation on collapsible loess foundation is approached. at the same time, the effective influence depth is researched. lastly, the common calculation formulus of influence depth at home and abroad are assessed, and the quantitative range of influence coefficient for loess area in the western region of guanzhong is given

    根據實際工程地基強夯處理的試驗資料,分析了強夯對土體密度、壓縮性、濕陷性等性質的影響,探討了強夯法處理濕陷性黃土地基的工程效果及有效影響深度,評價了目前國內外幾種常用的影響深度計算公式的適應性,提出了適用於關中西部黃土地區的影響系數及其定量取值范圍。
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