concentration technique 中文意思是什麼

concentration technique 解釋
富集法
  • 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。
  • technique : n. 1. （專門）技術；（藝術上的）技巧，技能。2. 手法〈如畫法，演奏法等〉。3. 方法。
  1. Several cd1 - xznxte ( with the original concentration of x = 0. 04 ) crystals of different sizes were grown by bridgman methods modified with the accelerated crucible rotation technique ( acrt - b )

    本實驗採用加入加速柑禍旋轉技術的bridgman法，生長了兩種不同尺寸的cdl _ xznxte （起始組分為x = 0 . 04 ）晶錠。
  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. Expanded bed adsorption ( eba ) is a novel bioseparation technique, which integrates clarification, concentration and initial purification into a single unit operation. it enables proteins to be recovered directly from unclarified cultivations of microorganisms or cells and homogenates of disrupted cells, without the need for prior removal of suspended solids. matrix is the principal " hardware " pillar supporting the successful application of eba

    擴張床吸附（ eba ）技術是一種新型的生化分離技術，它集成了固液分離、濃縮和初期純化於一步單元操作之中，可以直接從含有細胞和細胞碎片的發酵液或培養液中提取目標蛋白，而不必事先除去懸浮的固體顆粒。
  4. In this thesis, aragonite whisker was synthesized by introducing co2 into ca ( oh ) 2 suspension mixed with mgcl2. the hyphenated technique of microscope - microcomputer was used to examine the morphology and microstructure of the products. the effects of reaction temperature, concentration of mgcl2, ph value of the initial suspension, flow velocity of co2, and stirring strength on the formation of the polymorphs of calcium carbonate were examined

    本文利用改進的碳化法制備了文石相碳酸鈣晶須，採用高倍顯微鏡一計算機聯用技術、掃描電鏡和x射線衍射儀進行產品形貌觀察和晶型分析，討論了溫度、 mgcl _ 2濃度、初始ph值、 co _ 2的流速、攪拌速度等因素對制備文石相碳酸鈣晶須的影響。
  5. Plasma ignition for engine is a new pattern portfire, it firstly lights up the start - up oil and form ignition torch to ignite the main oli in the combustor. lt is a new technolygy, at the present only ukraine have used this technique in marine gas turbine and the ground gas turbine to increase the reliability of retro fires and extend the concentration limit of retro fires

    等離子點火技術是一門新興技術，目前只有烏克蘭將該技術應用到了艦船燃氣輪機和地面燃氣輪機上，由於該項技術主要點火設備具有獨特的放電特性和較大的放電能量，並且能量集中，使發動機的點火可靠性和點火的濃度極限得到了極大的提高。
  6. Moreover, the quenching concentration of eu is raised. on the basement of successful synthesis of two - components oxide, edta complexing sol - gel method was expanded and applied to effectively synthesis nanosized muti - components oxide, such as la1 - xsrx fe o3, lafe1 - xcuxo3, la1 - xsrx coo3, laco1 - xcuxo3 because edta can bind with most metallic elements of the periodic table, this technique become a versatile tool in the production and study of new nano materials of multi - component complex oxides. a economic and new process has been studied to synthesis la2o3 nanocrystalline, using nh4hco3 as precipitant

    河北大學理學博士學位論文對于單一組份的稀土氧化物，探索出一條更經濟、更方便的合成方法，即:用碳酸氫錢做稀土沉澱劑，成功地制備了納米l匆03 ，並對中間產物碳酸斕及其燒成的氧化斕分別進行了ir 、 tg一dta 、 sem 、 xrd分析研究，確定了碳酸憫的組成，氧化斕的物相、結構，並發現分散劑的種類對微觀形貌有一定的影響。
  7. Nuclear energy. measurement of environmental radioactivity - air. determination by liquid scintillation of the activity concentration of atmospheric tritium sampled by the sparging technique air through water

    核能.環境放射性空氣的測量.利用噴射技術取樣的大氣氚的活度濃縮的液體閃爍的測定
  8. Using molecular imprinting method, the 1, 3 - dimethylxanthine theophylline, tho molecular recognition membranes, containing an segments as membrane formation sites and aa segments as functional sites, were prepared by the phase inversion technique. here, tho was selected as a template molecule. the hydrogen bonding between aa segments and the tho templates was measured by ft - ir and nmr. the tho templates can be removed from the membrane through washing with acetic acid aqueous solution. the permeation of tho through the membranes is far more than that of 1, 3, 7 - trimethylxanthine caffeine, caf, which demonstrated the function of tho molecular recognition of the membrane. the results also show that the increase of the tho templates concentration in the cast solution caused an increase of tho amounts taken into the copolymer membrane

    Ft - ir及nmr測試結果表明：制備的高分子膜中， tho模板分子和膜中的丙烯酸功能殘基存在著氫鍵鍵合作用。大量的極性醋酸水溶液可抽出膜中的模板分子。 tho溶液和與模板分子具有相似結構的1 ， 3 ， 7 -三甲基黃嘌呤咖啡因， caf溶液的基質透過實驗結果：進入膜結構中tho分子的量遠大於caf分子，這表明制備的高分子膜具有tho分子識別功能。
  9. The method of concentrating the decoloration solution of tylosin is usually carried out by thin film vacuum concentration. in this experiment, the concentration process is modified by using the nanofiltration membrane technique which is free from corrosive due to the extractant solvent and in the same time, heating and decomposition of the antibiotic are eliminated, the concentration course ia also distinctly shortened. in this process the small molecule can be filtered by water, and the quality of the product such as, the tyramine content, the solubility of the product, improved significantly. in addition, the membrane filtration process could save consumption of steam and cooling water

    泰樂星提煉過程中原工藝脫色液用薄膜真空濃縮，本試驗改進為耐溶媒納濾膜濃縮，料液不需要加熱即可濃縮，防止了料液的高溫分解破壞，濃縮收率明顯提高在濃縮的同時，部分小分子雜質可以隨水分子一起通過納濾膜而除掉，成品質量明顯提高，解決了用原工藝成品酪胺、溶解度不合格的質量問題省去了原工藝濃縮中費用較高的蒸汽、冰鹽水，經濟效益可觀。
  10. Effects of different calcium concentration on ca2 + in ca2 * - sequester ing organelles of photoreceptor cell in penaeus monodon fabriciu by the combined oxalate - pyroantimonate technique, we observed the subcellular distribution of calcium in the photoreceptor cells of penaeus monodon fabricius, by changing the extracellular calcium concentration. the result showed that, in vitro, in presence of 50mmol / l, the quantity of calcium antimonate deposit in the multivesicular bodies, pigment and lamellar body were more than that of photoreceptor incubated in lower calcium solution, which contained 50mmol / l egta. in higher calcium solution, we ecu id not f i nd the depos i t in the mitochondr ia, but in lower calcium solution, there was a little deposit in the mitochondria

    學位論義小同ca卜濃度對斑節對蝦光感受器的形響3 .外界不同鈣離子濃度對斑節對蝦光感受器細胞內所儲存的鈣離子的影響應用草酸一焦銻酸鹽結合的沉澱技術研究斑節對蝦光感受器細胞在不同ca之『濃度條件下胞內儲存的ca2 +變化，其電鏡觀察表明:在高鈣溶液培育后，細胞內的多囊體、色素顆粒、板膜體中都存在大量的焦銻酸鈣沉澱的黑色顆粒，線粒體中未發現沉澱;在生理溶液培育后，線粒體中出現沉澱，而其他caz +儲存器中焦銻酸鈣沉澱的黑色顆粒大量減少。
  11. The bandgap is found to broaden with increasing dopant concentration, and it is found that doping with al has the effect of shifting the optical absorption to the shorter wavelength, with both cases being attributed to the burstein - moss shift. we report a study on the fabrication and characterization of ultraviolet photodetectors based on zno : al films. using sol - gel technique, highly c - axis oriented zno films with 5 mol. %

    為了研究zno : al薄膜在紫外光探測方面的性能，我們採用溶膠-凝膠旋塗法在si襯底上生長出具有高度c軸取向的zno : al薄膜，摻al濃度為5mol . % ，並以此作為有源區成功制備出了au / zno : al / au光電導型紫外探測器的原型器件，並對其i - v特性、紫外光響應和光致發光等方面的性能進行了研究。
  12. The purposes of the present study were to investigate ( 1 ) the hemodynamic effects of agmatine in anaesthetized dahl salt - sensitive ( ds ) hypertensive and dahl salt - resistant ( dr ) rats ; ( 2 ) the effect of agmatine on vascular tension in the isolated aortic artery of rats and the underlying receptor mechanism ; ( 3 ) the effects of local injection of agmatine on femoral, renal, and mesenteric vascular beds by constant flow perfusion method ; ( 4 ) the effect of agmatine on l - type calcium current ( / ca - t ) in rat ventricular myocytes with whole - cell configuration of the patch - clamp technique ; ( 5 ) the effects of agmatine on free intracellular calcium concentration ( ca2 + d of isolated rat ventricular myocytes

    （ 3 ）採用後肢、腎臟和腸系膜動脈在體恆流灌注法，觀察向灌流環路中直接注射胍丁胺的血管效應。 （ 4 ）應用全細胞膜片箝技術，觀察胍丁胺對大鼠心室肌細胞l -型鈣通道電流（ i _ （ ca - l ） ）的影響。 （ 5 ）用fluo3 - am負載分離的大鼠心室肌細胞后，由激光共聚焦法測定單個心室肌細胞[ ca ~ （ 2 + ） ] _ i的熒光強度，觀察胍丁胺對分離大鼠心室肌細胞內游離鈣濃度（ [ ca ~ （ 2 + ） ] _ i ）的影響。
  13. Technique and condition of developing membrane such as thickness of support layer, concentration of coating solution, coating time, ph value of coating solution, concentration of small molecular additive in coating solution, concentration of cross - linking agent, cross - linking time and composite times were studied

    對制膜工藝條件如基膜厚度、塗層液濃度、浸塗時間、塗層液ph值、塗層液中小分子添加劑的含量、交聯劑類型、交聯劑濃度、交聯時間及復合次數對納濾膜性能的影響進行了研究。
  14. By the investigation for preparation technique of the phosphor, the optimum activator concentration, host composition and firing time were established

    通過對熒光粉制備工藝的研究，確定了熒光粉制備中最佳的激活劑濃度、基質的組成及樣品的灼燒時間等工藝參數。
  15. By using inverted microscope, it was observed that dunaliella salina of different growth stages after the high osmotic shocks can live in the medium with nacl concentration between 0. 1m and 5. 0m, but its growth status and period showed differently. the optimal concentration for the growth of dunaliella salina was 0. 5 - 1. 5m, and this organism could stand a variety range of osmotic shock. enolase gene, the anti - adversity gene of d. salina, was cloned by modified degenerate pcr technique

    通過倒置顯微鏡觀察生長在不同鹽濃度，不同生長時期，以及經不同滲透壓震動的鹽藻，四川大學博士學位論文發現其在o . im一5 . omnaci培養基中均能正常生長，但其生活狀態及生長周期有所不同，其最適生長naci濃度為0 . 5一1 . 5m ，還能適應各種高滲及低滲震動。
  16. Then discuss the stress concentration problem of the honeycomb structure to use the model of “ laminated composite structure with circular hole. then discuss the thermal control technique of the mfs, and built the model of heat transfer

    考慮到在蜂窩結構板上開設埋孔會引起應力集中的現象，所以還進行了對復合材料板應力集中問題的理論分析，得出了「帶圓孔的復合材料層板」應力集中系數的表達式。
  17. Analysis results of histogram statistics and section electron microscopic scan technique, are that fracture feature of the cracks of the hbbb is similar and the crack is multi - source strain fatigue one. internal defects of the cast, such as impurities, gas holes, etc, are the main causes for early cracks. the contrast analysis of static strength, model and transient respond on three structures with fem proves that geometrical stress concentration in partial area has influence on early crack, also

    利用直方圖等統計方法和電鏡掃描技術對該抱軸箱體裂紋分析的結果是：抱軸箱體的裂紋斷口特徵相近，裂紋性質屬于多源性低周疲勞裂紋，鑄件中的夾雜、氣孔等內部缺陷是導致過早裂損的主要原因；利用有限元法對該抱軸箱體三種結構的靜強度、模態和動態響應對比分析，證實了局部幾何性應力集中對過早裂損也有一定影響。
  18. Uses the concentration of the plant energy, adjust the balance of bodily each organization, makes your far away from the pressure of work and sub - health, through the special chinese medicine physical therapy technique, improves each kind of skin question caused by sub - health

    歌臨精油系列採用植物能量的濃縮，調養身體各組織的平衡及經絡的暢通，遠離工作壓力與年齡增長帶給身心亞健康狀況，通過特殊的中醫理療手法，改善因亞健康引起的各種皮膚問題。
  19. Depending on the powerful r d ability of the rcees - cas in technology. we have many advanced technologies in water purification, waste water treatment and water reclamation, for example : physic - chemical / bio - chemical integration technique, photo - catalysis - oxidation technique, membrane distillation concentration technique and so on

    公司技術上依託中科院生態環境研究中心的強大研發力量，在水質凈化、廢水處理與回用等方面擁有多項先進處理技術，如：光催化氧化技術、低溫膜蒸餾濃縮脫鹽技術、物化/生化集成技術等。
  20. Osmotic distillation is a novel concentration technique that combines the distillation with osmosis

    摘要滲透蒸餾是一種滲透過程與蒸餾過程耦合的新型膜分離技術。
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