density-concentration 中文意思是什麼

density-concentration 解釋
密度與濃度
  • density : n. 1. 稠密；濃厚。2. 【物理學】濃度；密度；比重。3. 愚鈍，昏庸。
  • concentration : n. 1. 集中。2. 【化學】提濃，蒸濃，濃縮；濃度；稠密度；【礦物】汰選，選礦，富化。3. 集中注意，專心。
  1. Since density increases with the concentration of red cells, an unusually low density may indicate anemia.

    血液的密度隨著紅血球的濃度而增加，因而過低的血液密度可說明患者貧血。
  2. 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 。
  3. Effect of co2 concentration and photosynthetic photo flux density on photoautotrophic capability and peroxidase activity of ipomoea batatas lam in vitro

    2濃度和光合光量子通量密度對葉用甘薯組培苗光合自養和過氧化物酶活力的影響
  4. 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。
  5. The critical concentration and critical particle surface area in constant rate section is studied. the floc density pa and the floc equivalent diameter da are calculated on the basis of experimental data and theoretic analysis

    研究了等速段的臨界濃度、臨界顆粒表面積；分析計算了絮團密度_ 、泥沙絮團當量直徑d _ 。
  6. During this time both the monthly average algae density and lasting time increased year after year. the main algae forming algae bloom was cyanophyta and the dominant generas were microcystis. the accumulation of nutrients ( such as total nitrogen and total phosphorus ) with high concentration, high temperature of water and strong sunshine caused the algae bloom

    結果表明，水溫較高的夏秋季（一般為7 9月）是天津市城市供水水源的藻類高發期；近幾年，高藻期含藻量呈逐年增加趨勢，持續時間呈逐年延長趨勢；高藻期水源水以藍藻為主，所佔藻類總數最高和最低比例分別為91和70 ，其中的優勢屬為微囊藻屬；水源水中高含量的氮、磷等營養鹽是藻類高發的內在因素，水溫、光照等是外在誘發因素。
  7. The article aims at meeting a successful weaving of pure cotton fine count and high density satin fabric on new - type air jet loom by using better sizing compatibility of pva, modified starch and acrylic size based adopting processing route of high - pressure & high - concentration & low - viscosity to improve sizing permeability and coverage, increase abrasion - proof, reduce hairiness and to clear shedding

    摘要利用pva 、變性澱粉、丙烯漿料各組分之間良好的溶性，採用「兩高一低」上漿工藝路線，以改善漿紗的浸透與被覆增加耐磨，貼伏毛羽，提高開口清晰度，來滿足純棉高支高密貢緞織物在新型噴氣織機上的織造要求。
  8. In determining the optimal concentration of each antibody, we have used a strategy in which the capture antibody is first immobilized at a particular density on the predetermined site of membrane, and the labeled antibody is then varied to retain a maximum signal - to - noise ratio

    在測定每個抗體的最佳濃度中，我們用到了這樣一個方案：先將捕獲抗體以特定的濃度固定在膜上預留的部位，然後改變標記抗體濃度得到最大的信號噪音比例。
  9. In the third chapter, the influence of current density, solution concentration, erosion time and aging in ambient air on the pl spectra of ps suggests that peak would blue shift with current density increasing, and with erosion time and aging time prolonging ; with the increasing of solution concentration, peaks would red shift when solution concentration less than 1 : 1 but blue shift when solution concentration greater than 1 : 1. above phenomena can be explained by quantum confinement and light center model, but do not deny the action of si - h bonding and defect on the surface in the process of photoluminescence. at present, radiation mechanism is still one of the primary problems in the study of ps

    在第z三章中；通過對比，分析了電流密度、陽極化時間、溶液濃度以及自i然氧化時間對多孔硅光致發光光譜的影響，認為在一定的范圍內，多i孔硅的發光峰位會隨電流密度的增大而藍移，要獲得較強的發光，需z要選擇合適的電流密度；隨著腐蝕時間的延長，多孔硅的發光峰位會i發生藍移；當f酸的濃度較小q ： 1 ）時，峰位隨濃度的增大表現為向i低能移動；而當f酸的濃度較大河山時，峰位隨濃度的增大則表現z為移向高能；多孔硅在空氣中自然氧化；其發光峰位發生藍移，而強i度隨放置時間的延長而降低。
  10. Along with the social economy development and population density increasing, the wealth concentration degree rise, the frequency and the loss degree of the catastrophe also unceasingly rises

    隨著社會經濟的發展和人口密度的增大，財富集中度上升，巨災發生的頻率和損失程度也不斷上升。
  11. With stable and reliable operation, compact structure, and strong air breathing ability, it enables to enhance the stocking density for fish and prawn, flow water by stir to increase the dissolved oxygen concentration in water, and make even water temperature to improve water quality, which is an idle equipment for high - yielding aquaculture

    具有工作平穩，運行可靠，結構緊湊，充氣能力強，提高魚蝦放養密度，攪拌水體流動，增加水中溶氧含量，能使水溫均勻達到改善水質的目的，是實現高產養殖的理想設備。
  12. To get mass flow rate of vent gas and coarse aeetaldehyde from their volume flow rate data, density compensations are performed with regressed relationship between density and ( temperature, pressure and concentration )

    針對包含化學反應過程的生產流程，提出了基於原子衡算的數據調和演算法，並將之應用於乙醛生產過程的數據調和。調和計算中考慮了粗乙醛流量和小放空氣體流量的密度補償。
  13. On the saturate concentration, the moisture density in the micro - holes was 100 times larger than the vapor density in the standard state, but only 8 % of liquid water. the water inside the plastic material was in a special liquid state. the delamination and the delamination recovery were observed by c - sam

    當水汽濃度達到飽和時，在塑封材料中可以被水分子進入的有效體積內，實驗條件下的水汽密度為標準狀態下水蒸氣密度的100倍，為液態水密度的8 ，表明在塑封材料中的水分子以一種特殊的液態水形態存在。
  14. Liquid flow in open channels - sediment in streams and canals - determination of concentration, particle size distribution and relative density

    明渠水流.河河渠泥沙.含沙量粒度分佈和相對密度的測定
  15. The particles aggregation was simulated using particle - cluster and cluster - cluster aggregation model. several type of floes was reached and its morphological characteristics was analyzed the fractal dimension, density and porosity of floes was studied by changing sticking probabilities, sticking position, particle number, particle concentration, difrusion coefficient and motion trajectory. the parameters by which special floes growth were determined. in the study of morphology, floes of yellow river ' s loess particles was observed by tv - microscope. its morphological characteristics were obtained by image analysis. the effect of fractal dimensions by stirring time strring speed, macromolecule flocculant dosage, flocculant concentration and particle concentration was studie. its rule of change was obtained. on the basis of other studies, the flocculation kinetics and floes structure was studied

    本文應用計算機模擬技術，在二維空間內採用單體凝聚和集團? ?集團凝聚兩種模型對顆粒凝聚過程進行了模擬，得到了多種形態的絮體，並對絮體進行了形態分析，通過改變粘附概率、粘附位置、顆粒數量、顆粒濃度、擴散系數和運動路徑等模擬參數，我們考察了絮體分形維數、密度和孔隙率隨模擬條件變化的影響規律，得到了形成特定形態絮體的控制參數。
  16. The corrosion potential was the biggest and the corrosion current was the smallest one when the concentration of super - 3900 was 0. 5 % ; the corrosion potential was increased with the addition of mps - dl, but the smallest corrosion current is under 0. 01 % mps - dl. the rust time was the longest one when the concentration of super - 3900 was 0. 5 % as well as mps - dl was 0. 01 %. it was increased as a peak curve with al2o3 concentration in plating solution and ph value increased gradually with cathodic current density ; the corrosion weight

    通過測量tafel曲線可知，在super - 3900濃度為0 . 5 % （相對于鍍液的體積百分含量）時獲得的鍍層腐蝕電位最正，腐蝕電流密度最小;隨著鍍液中mps - dl含量的增加，獲得的鍍層的腐蝕電位逐漸正移，在濃度為0 . 01 % （相對于鍍液的體積百分含量）時腐蝕電流密度最小。
  17. The assay system of the biological activity of lymphotoxin was established using l929 cell as the sensitive target, lt international standard as the positive control and crystal violet staining method to detect viable cell after treated with lt. the best relationship between dosage and effect could be got if the cell seeding density in cell plate was 1. 6 0. 1 104 the dosage of amd was lug / ml, and the starting concentration of dilution in the plate of lt standard was 10 iu / ml with two fold dilution. the credibility of the established system was detected with rhtnfp developed by r & d

    為確定經上述步驟純化后得到的目的蛋自lt 27的生物活性，本研究以l929細胞為靶細胞、淋巴毒素國際標準品為參照，採用結晶紫染色法檢測經淋巴毒素處理后存活的細胞，對淋巴毒素生物活性測定的細胞接種濃度、淋巴毒素標準品板上稀釋的起始濃度和梯度稀釋的倍數、放線菌素d的使用劑量等進行條件實驗后，建立了人淋巴毒素生物活性測定方法。
  18. Moreover, the density of urban development, topography and meteorology can all affect the movement and dispersion of air pollutants, and hence their concentration

    此外，該地點發展的密度、地形和該時段的氣象情況，對空氣中污染物的流動、消散，以及濃度也有重要的影響。
  19. A large number of density / concentration conversion tables are stored in the instrument as standard, e. g. brix, baume, % alcohol, % sulphuric acid, api gravity, etc

    儀器儲存了大量的密度/濃度轉換標準表，如白利糖度、波美比度、酒精濃度、硫酸濃度、 api比重等。
  20. Measurement tables for density - concentration of alcohol

    酒精密度-濃度測量用表
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