specific density 中文意思是什麼

specific density 解釋
比重；比密度
  • specific : adj 1 特殊的；特有的；特定的，專門的。2 明確的，具體的。3 【生物學】種的；【細菌】專性的。4 【醫...
  • 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 carbon nanotubes ( cnts ) are attractive materials for electrodes of supercapacitors due to their superb characteristics : chemical stability, low mass density, low resistivity, and large specific surface area

    納米碳管導電性好、比表面積大、微孔集中在一定范圍內，從理論上講是製作超級電容器的理想材料。
  3. Whether the nonuniform pulse density is immaterial, of course, depends on the specific application.

    脈沖密度的不均勻性是否有害，應由具體應用決定。
  4. Asphalt materials - determination of specific gravity and density - pycnometer method

    石油瀝青比重和密度測定法
  5. The specific gravity of a material is the ratio of its density to that of water and is therefore a pure number.

    物質的比重指的是物質的密度與水的密度的比值，所以是純數。
  6. Paper and board - determination of thickness, density and specific volume

    紙和紙板.厚度密度和比容的測定
  7. Paper and board - determination of thickness, density and specific volume iso 534 : 2005 ; german version en iso 534 : 2005

    紙和紙板.厚度密度和比容的測定
  8. Test methods for pigments - part 12 : apparent density or apparent specific volume - section 1 : loose packing method

    顏料試驗方法.第12部分:表觀密度或表觀比容.第1節:散裝法
  9. Test methods for pigments - part 12 : apparent density or apparent specific volume - section 2 : mechanically tamped packing method

    顏料試驗方法.第12部分:表觀密度或表觀比容.第2節:機械填塞包裝法
  10. The deleted mutant pap gene was also cloned into yeast secreted expression ppic9k vector to form ppic9k ~ 3, then the vector was transferred into pachia pastoris gs115 strain. the specific expression protein was secreted into the medium after inducing with methanol and the protein amount reached about 50 - 60 u g per millilitre measured by uv - absorbed methods in the supernatant of the medium via high density fermentation. sds - page results showed that there was one protein band in the gel which molecular weight was about 34ku

    將缺失型pap基因克隆于酵母分泌型表達載體ppicgk構成重組載體，然後導入畢赤酵母（ p8chianastoris ）菌株gslls細胞中，在甲醇的誘導下，經過酵母高密度發酵進行pap的表達，經sds page分析，結果表明，在培養基上清液中含有一明顯的特異性蛋臼條帶，大小為34ku ，經western blotting分析，該蛋白與法國pap抗血清有特異性反應，體外活性檢測表明該蛋白對tmv的侵染性具有高度的抑制性，說明該pap基因在畢赤酵母gs中也得到了正確表達。
  11. 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。
  12. Three - dimensional high - density space / time soundings serve as the main body of data consisting of 3 - hr interval doppler probings, 10 - 30 min rainfall intensity, surface raindrop sizes sampling and gps - guided flight cloud physics detections with output taken at 2 - sec and 200 - m intervals. and specific systems associated therewith are developed for multiple - way communication and data collection and storage, a platform for analysis, retrieval softwares for dominant items and multi - scale cloud models - all constitute a system of techniques for meso to microscale observations and analysis. 2 ) atmospheric water resource and macroscopic rainfall properties in dry periods of spring and autumn of the target region

    以加密觀測的多普勒雷達、 3小時探空、 10 30分鐘雨強、地面雨滴譜等間隔取樣及在gps引導下的飛機雲物理探測等獲取的三維高時空密度的綜合探測為主體；配合專項設計開發的多路通訊採集存貯系統、多類信息的分析處理平臺、主要觀測項目的分析反演軟體，結合多尺度雲系模式，綜合構成層狀雲系中微尺度探測和分析處理技術方法。
  13. Standard test method for specific gravity, api gravity, or density of cutback asphalts by hydrometer method

    用比重計法測定稀釋瀝青比重api比重或密度的標準試驗方法
  14. The entropy or number of states of system or subsystem are closely related to interaction of particles and energy level distribution, therefore, to study the temperature dependence of the specific heat may supply some important and useful microscopic information which may play an important role in understanding electronic structure, density of state, phonon spectrum etc. the specific heat measurements at low temperatures also play important roles in the finding of the third law of thermodynamics, the quantum theory of solid and bcs theory for superconducting etc. moreover, specific heat measurements help us to understand the different kinds of phase transitions ( such as : structural phase transition, magnetic phase transition, superconducting phase transition etc. ) and the scaling behavior near the critical point

    系統、子系統的熵或微觀狀態數與微觀粒子間的相互作用及能級分佈密切相關，因此研究比熱與溫度的依賴關系能夠提供被測量系統許多極其有用的微觀信息，對理解固體的電子結構、電子態密度、聲子譜等起著十分重要的作用。低溫比熱的測量和研究對熱力學第三定律、固體量子理論和超導bcs等理論的建立起到了積極的推動作用。比熱研究還有助於認識各類相變如結構相變，磁性相變，超導相變等及臨界點附近的標度規律。
  15. Estrogen through binding specific estrogen department of physiology 7 receptor ( er ) in nucleus, functions like a nucleus transcription factor and modulates expression of some genes. it has been found that there exist two subtypes of er. there are a and p subunits which are different in their distribution, density and mediated action

    雌激素調節神經系統功能往往通過雌激素受體（ estrogenreceptor ， er ）蛋白介導。 er屬于類固醇受體超家族的核受體，具a 、 p兩種亞型，此二者在各種組織分佈及密度泅異。
  16. Standard test method for maximum specific gravity and density of bituminous paving mixtures using automatic vacuum sealing method

    自動真空密封法測定瀝青鋪面混合料最大比重和密度的標準試驗方法
  17. Maleic anhydride is a white needle - like, briquette or flaky crystalline with irritant odour and sour, inflammable and sublimating. it can be freely dissolved in water to form maleic acid. it has a specific density of 1. 480, a melting point of 52. 85

    順酐（又稱馬來酸酐）為無色針狀或片狀結晶，有刺激性氣味與酸味，易燃，升華，易溶於水生成順丁烯二酸，相對密度為1
  18. The contents of jadeite ' s mineral composition and rock types will influence the refractivity and specific density of jadeite directly

    摘要翡翠的礦物組成、巖石類型不同，將會對翡翠的比重、折射率產生直接的影響。
  19. On the basis of the study on the mineral composition and rock types of jadeite, the authors determine that the specific density and refractivity of jadeite ranges from 2. 93 to 3. 60 and from 1. 593 to 1. 750 respectively, the specific density and refractivity of jadeite with high quality ranges from 3. 178 to 3. 240 and from 1. 644 to 1. 657 respectively, and offers the objective basis for jadeites quality appraisal, through setting up several charts of the relation between jadeite ' s specific density refractivity and its mineral composition

    從翡翠的巖石學、礦物學角度出發，討論了翡翠的巖石類型，依據組成翡翠的主要礦物的比重和折射率值，建立了翡翠礦物組成成分及含量與其比重、折射率關系圖解，確定了各種翡翠的比重、折射率變化范圍分別為： 2 . 93 ~ 3 . 60和1 . 593 ~ 1 . 750 ；優質翡翠的比重、折射率分別為： 3 . 178 ~ 3 . 240和1 . 644 ~ 1 . 657 ，為翡翠的質量評估提供了客觀依據。
  20. Specific density of solid particles

    土粒相對密度
分享友人
分享到 Line

分享到臉書