純密度 的英文怎麼說

中文拼音 [chúnmìdù]
純密度 英文
reindichte true density
  • 純 : 形容詞1 （純凈; 不含雜質） pure; unmixed 2 （純粹; 單純） simple; pure and simple 3 （純熟） skil...
  • 密 : Ⅰ名詞1 （秘密） secret 2 [紡織] （密度） density 3 （姓氏） a surname Ⅱ形容詞1 （距離近; 空隙小）...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  1. The study investigated aboveground growths of caragana korshinskii and artemisia ordosica planted in four modes, revealing that in different planting modes their densities, heights and canopy width and biomasses remained unchanged or tended to decrease slightly ; the young shoots of a. ordosica annually grew in a s - shaped cure and the young shoots of c. korshinskii grew fast in spring and grew slowly or cease to grow from july on ; the biomasses and leaf area indexes of c. korshinskii and a. ordosica annually varied in a double peak curve and there were 8 annual plants that invaded in the four planting modes and formed higher coverage ; the quadrat with only a. ordoska appeared to have obviously lower coverage and biomass that the other three quadrats

    摘要對騰格里沙漠東南緣2種人工植被檸條和油篙在4種配置方式下地上部分的生長動態進行了研究，結果表明：不同配置方式下它們的密度、高度、冠幅和生物量基本不變或略微呈下降趨勢；油篙新梢的年生長動態呈s型曲線，檸條新梢春季生長速度較快， 7月份以後生長速度緩慢或基本停止生長；檸條、油篙地上生物量和葉面積指數的年變化均表現為雙峰型， 4種配置方式下共有8種1年生植物人侵，並具有較高的植被蓋度；同其它3個樣地相比，純油篙樣地1年生植物的密度、蓋度和生物量明顯偏低。
  2. The experimental results show : the flattop phenomenon on the diode voltage pulse was very apparent for using the carbon fiber cathode, that is to say, the pulse duration of the diode voltage was widened ; moreover, under the condition of the same power of microwave, the pulse duration of the out - put microwave was prolonged by about 30 % ; the peak power of the microwave was enhanced by 3db

    通過在裝置上做的兩種陰極的對比實驗，結果顯示:碳纖維陰極的使用，改善了電子束質量，使輻射微波的脈寬增加了30 %以上，輻射主瓣方向上的功率密度提高了3db以上，頻譜分佈較純凈，實現了微波的高效輸出。
  3. Gs115 can grow in a high density and produce heterologous proteins by secretion, which are in a high - level and easy to be purified

    其可高密度生長，外源蛋白呈分泌性表達，具有外源蛋白產量高、純化相對容易的優點。
  4. On the other hand, the sites with no stone, id est pure grass and pure shrubbery, had no distribution of cathaica cavimargo. only a single empty shell was found on the site of pure grass

    分佈有石灰石或花崗石的樣地種群密度最大，無石頭分佈的純草地和純灌木沒有cathaicacavimargo分佈，純草地只見到一枚空殼。
  5. This dissertation proves that a single m - partite entangled mixed state in the system whose dimension of each subsystem is two cannot be purified to an m - partite entangled pure state. in general, a single m - partite entangled mixed state whose density matrix has higher rank cannot be purified to an m - partite entangled pure state. for a class of entangled mixed states, its fidelity cannot be increased under locc

    論證了在局域操作和經典通信下，單個多體糾纏混合態（每個子系統的維數都為2 ）不可能被純化；密度矩陣有著較高秩的混合態也不可能被純化；給出了一類多體糾纏混合態，在局域操作和經典通信下，對某一糾纏純態的忠實度不能增加。
  6. Testing method for density of high - purity hydrocarbons by bingham pycnometer

    用賓厄姆比重瓶法對高純度烴密度的檢測方法
  7. 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。
  8. In the hipib film deposition, high purity graphite was employed as target. relations between process parameters and the microstructure, as well as different physical properties of diamond - like carbon ( dlc ) film deposited by hipib ablated plasma were studied by adjusting the distance between target and substrate, which affects the intensity and ion energy of hipib ablated plasma, and the temperature of substrate in the film deposition processes. the mechanism of film deposition by hipib ablated plasma was explored also

    在薄膜沉積方面，利用高純石墨作靶材，調整薄膜沉積過程中的靶基距（燒蝕等離子體密度、離子能量）和基片溫度，研究實驗工藝對hipib燒蝕等離子體方法制備的dlc薄膜的微觀結構和宏觀物理性能的影響，探討了hipib燒蝕等離子體沉積dlc薄膜的成膜機理。
  9. According the key factors we find, we bring forward a new conception : multilevel suppressor and design a new high performance suppressor whose ion - exchange membrane has bigger areas and using three electrodes including one cathode ( anode ) and two anodes ( cathode ), at the same time we fill the suppression compartment with one kind of ion exchange resin which has moderate exchange capacity. according to our experiment ' s results, we find the new type suppressor has quite high working current efficiency and suppressing capacity. in most cases, the suppressor ' s current efficiency is over 90 % ; the suppressor can transform the naoh ( concentration : 200mmol / l, flow rate : i. oml / min, conductance : over 10000 i - i s cm " ) to pure water ( conductance : 8. 9 it s cm in chapter 3, the high performance suppressor is applied in determination some trace - amounts ions in plating solution, sewage. in this chapter, we also have a research on the gradient ion chromatography

    第二章首先以xyz - 1型電化學抑制柱為例，分析了電化學抑制柱的抑制過程得出影響抑制容量的主要因素主要是抑制柱的電流效率和離子交換膜的極限電流密度，因此採用中等交換能力的離子交換樹脂作為抑制室的填料以提高電流效率，在通常情況下電流效率可達到90以上；在選用同種離子交換膜的前提下，可通過增加離子交換膜的有效面積達到提高極限電流的目的從而提高抑制柱的抑制容量，因此提出了多級抑制的概念並據此研製了共電極式高容量電化學抑制柱，該抑制柱最高可將流速為1 . 0ml / min ，濃度為200mmol / l電導率超過10000 s ? cm ~ （ - 1 ）氫氧化鈉溶液抑制為電導率低至8 . 9 s ? cm ~ （ - 1 ）的純水，並且具有穩定性高、分析結果準確等優點。
  10. Expanded pure agglomerated cork. determination of bulk density

    純膨脹膠凝軟木.體密度的測定
  11. An analysis of population distribution took place on all of the 11 sites, and population size and density of 8 sites out of these 11 sites were estimated by direct counting method, in order to get basic information of the population ecology of cathaica cavimargo

    進行種群分佈分析時評估了石灰巖、純灌木、石灰石灌木、石灰石草地、花崗石灌木、花崗巖、純草地和花崗石草地8個樣地種群大小和密度，以便獲得cathaicacavimargo種群生態基本數據。
  12. Methods using different techniques of collagenase digestion and discontinued density gradient centrifugation, the adult swine and rat islets were prepared

    方法採用不同的膠原酶消化法及不連續密度梯度純化法。
  13. While adding 1 % binder the preferable target was produced, and the density was 4. 89g. cm - 3, which was 88 % of the theoretic density of the licoo _ 2 with ar as the sputtering gas, the technics of rf sputtering to produce the licoo _ 2 film were studied systematically

    在冷壓燒結方法制備licoo _ 2靶材的過程中，燒結前添加了不同量粘結劑，就綜合純度和粘結性能兩方面考慮，加入1 %的粘結劑較為理想。所制備的licoo _ 2靶材密度為4 . 89g / cm3 ，達到licoo _ 2理論密度的88 % 。
  14. The density of this target was 5. 21 g / cm3, which was 94 % of the theoretic density of the licoo _ 2 。 in cold pressing and sintering process different percentage of binder were added to the target and the best percentage was found

    其中使用碳化硅模具，制備出純度和密度較高的熱壓靶材，靶材密度為5 . 21g / cm3 ，達到licoo _ 2理論密度的94 % 。
  15. In chapter 3, we give out lotka - volterra prey - predator model with density constraint and get the optimal harvesting policy that takes the maximum net rent as management purpose, when harvesting ability are limited or unlimited

    第三章給出了有密度制約的lotka - volterra捕食者-食餌系統，當總捕獲能力有限和無限時，以最大純收益為管理目標的最優捕獲策略。
  16. Western - blotting result demostrated rhpf4 had specific reaction with rabbit anti - hpf4 antibody. our system improve the expression level of r hpf4 by 80 fold compared with pt7 - 7 - r hpf4. after purified and renatured, r hpf4 prepared by our methods has bioactivity like wide hpf4. our study establish a stable base for further reseach of the h pf4 and provide a theoretics gist for modulative mechanism of eukaryotic protein expression in prokaryotic cells

    我們構建的rhpn原核高效表達系統經m page及凝膠密度掃描分析結果表明， rhpf4表達量占菌體總蛋白量的25 30 ，較原表達克隆pt7 7 rhpf4提高了近80倍，經快速高效的包涵體分高純化工藝和復性工藝， rhpf4具有野生蛋白活性。
  17. The mangrove bushes of 0. 26 acres located along the coast of keya river, adjacent to the exit of the west coastal expressway is an aggregation of many organisms in high density

    位於虎山裡西濱快速道路下，客雅溪沿岸旁，有一片面積0 . 26公頃的水筆仔純林，是許多生物聚集點，生物的密度非常高。
  18. All vanadium redox flow battery is a new - style and environmentally friendly energy storage battery that has many characteristics such as instant recharge by replacing the spent electrolytes, discharged at large current density, really fully discharged ( 100 % ), increasing storage capacity easily, a theoretically unlimited life, sim - ple operation and maintenance. therefore, it is undergoing a exciting development and commercialization. however, there are still some questions to be solved during its commercialization, such as how to prepare highpurity vanadium electrolyte, to enhance its energy density and efficiency, to improve its charge / discharge performance. so it is very important for improving the perfoemance of vanadium redox flow battery and its commercialization to select adaptive electrode materials, to investigate the mechanism of the electrode reaction and to select some additives

    如何制備高純度的釩液流電解質、進一步提高釩電池的能量密度和效率，提高其充放電性能，是釩電池實用化過程中需要解決的問題。因此，選擇合適的電極材料，進一步探討釩離子的電極反應機理，研究釩電池在充放電過程的變化，適當選擇並探討添加劑對釩電池電行為和性能的影響，對進一步改善和提高釩電池的電性能以及釩電池的實用化具有重要的理論意義和實用價值。
  19. This factory production blue sandstone plate, the color pure, the density high, lithical hard also the stripe is clear, is the environment project, the botanical garden construction and the carving timber wood ideal choice

    本廠生產的青砂巖板材，顏色純正、密度高、石質堅硬且條紋清晰，是環境工程、園林建設及雕刻用材的理想選擇。
  20. Experimental results indicated that surface density of charge of the acrylic fabrics contained 7. 68 % of the stainless steel filament decreased by 96. 11 % as compared with the pure acrylic fabric

    與純腈綸織物相比，加說7 . 68 %不銹鋼長絲的腈綸織物的電荷面密度降低96 . 11 % 。
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