溶劑選擇 的英文怎麼說

中文拼音 [róngjìxuǎnzhái]
溶劑選擇 英文
solvent selection
  • 溶 : 動詞（溶化; 溶解） dissolve
  • 劑 : Ⅰ名詞1 （藥劑; 制劑） a pharmaceutical or other chemical preparation 2 （某些有化學作用的物品） a...
  • 選 : Ⅰ動詞1. （挑選） select; choose; pick 2. （選舉） elect Ⅱ名詞（挑選出來編在一起的作品） selections; anthology
  • 擇 : 擇動詞（挑選） select; pick; choose
  • 溶劑 : dissolvant; solvent; resolvent; solventia; menstruum
  • 選擇 : select; choose; opt; election; choice; culling; alternative
  1. In order to elaborate the app licability of osl to loess, especially single aliquot regenerative protocol ( sar ), involving stimulation of the same disc with an infra - red laser diode followed by blue leds to polymineralic fine - grains of loess, such explanations as light bleaching, preheat, anomalous fading, prior - ir exposure were investigated in this paper. for drawing adequate coarse grains from loess, quartz and feldspars, as well as loess, were etched by hydrofluoric acid and fluorosilicic acid. the sequence of ages of holocene loess in weihe rivier basin has been established by single - aliquot ( sar ) and multiple - aliquot using fine - grains and sar using coarse - grains

    本文通過渭河流域全新世黃土的光曬退實驗，地表黃土樣品的d _ e值測定，細顆粒單片的預熱、反常衰退、紅外暴露實驗，說明釋光測年在全新世黃土中應用的可行性及單片再生劑量法（ sar ）在黃土細顆粒中的適用性；為了從黃土中分離出足夠的粗顆粒，進行了純石英和長石的氫氟酸（ hf ）和氟硅酸（ h _ 2sif _ 6 ）溶蝕實驗，黃土粗顆粒石英溶蝕分離實驗；通過細顆粒單片、多片的blsl 、 irsl和post - irosl ，熱釋光，及粗顆粒石英的blsl的年代測定，選擇適于全新世黃土的釋光測年方法，並建立了渭河流域全新世黃土的年代序列。
  2. At 70c, dissolved time 60min, solvent ratio 125 : 50ml / g, the effect of benzene is best to separating phenanthrene of crude anthracene, phenanthrene content of crude anthracene is increased from 10. 3 % to 41. 7 %. at 120c, dissolved time 80min, the solvent ratio 75 : 30ml / g, the effect of dmf is best to separate carbazole from the compound of anthracene and carbazole, and in the high or common temperature when the compound is separated the solid content may be seen that anthracene content is almost. so, the common temperature is selected in the filtration of the experiment

    苯在70 』 c 、溶解時間60min 、溶劑比125 : 5oml / g ，對分離粗蔥中菲的效果最好，可以使粗蔥中菲的含量從10 . 3 %提到41 . 7 % 。 dmf在120 』 c 、溶解時間somin 、溶劑比75 : 30ml / g時，對分離蔥和咔哇混合物中咔哇的效果最好，並且從高溫和低溫下分離后得到固體含量可以看出，在這兩個溫度下過濾得到蔥的含量差不多，因此，本實驗選擇在常溫下過濾。
  3. Selecting the solvent in the determination of water in erythromycin

    紅黴素堿水分測定中的溶劑選擇
  4. They can convert plasminogen into plasmin and thus degrade fibrin. despite the widespread use of established thrombolytic agents such as streptokinase, t - pa and u - pa, all these agents suffer from a number of inadequacies including resistance to reperfusion, occurrence of coronary reocclusion and bleeding complications

    一些pa突變體及新型溶栓劑，如k2p tnk - pa和star等的臨床實驗結果表明它們在延長體內半壽期增強對血纖維蛋白選擇性和溶栓效率等方面有較大的改進。
  5. Series full - auto pipe expander with drawing device and program interface is used with extruding machine. it is also used solitarily, while expanding pipes, the machine adopts translation, the action is steady and corret, it does not damage pipe materical, the machine adoptes double - infrared heating oven type, each oven is equipped with heating cire, the shaping method adopts expanding - end shaping, the size of pipe mouth is correct. on its panel, there is a transfer swith of expanding solvent type pipe socket ( straigh port ) and expanding sealloop type pipe socket ( rport ). the choice of expanding pipe type is very convenient, the technologocal adaptability is strong, its main electric control elements are all imported. the syetem charecteristics are steady and reliable

    配有與主機配套的接料牽引裝置和相應的程序介面，既能與擠管主機聯線使用，又可以作單機使用；擴管時管材的移動均採用平移方式，動作平穩準確而且不易損傷管材；這種機型採用紅外線加熱方式且為雙加熱爐型，每個加熱爐都配有中心加熱爐芯；成型方式均採用擴管頭定型方式，管口成型尺寸準確；該機型在控制面板上設有擴溶劑型承介面（直口）和擴彈性密封圈型承介面（ r口）的轉換開關，擴管方式選擇十分方便，工藝適應性強；主要的電器控制元件均採用進口元件，系統性能穩定可靠。
  6. The quest continues for plasminogen activators with higher potency, specific thrombolytic activity, fibrin selectivity and longer half - life time. the recent progress in the protein engineering of plasminogen activators, including t - pa, u - pa, streptokinase, staphylokinase and other novel plasminogen activators, was presented in this article

    一些pa突變體及新型溶栓劑，如k2p tnk - pa和star等的臨床實驗結果表明它們在延長體內半壽期增強對血纖維蛋白選擇性和溶栓效率等方面有較大的改進。
  7. Determination of end carboxyl content in pet chip using photometric method was discussed, the optimiza tion of measuring condition and parameters such as sample weight, concentration of titrant, blank of solvent were stud ied

    論述採用光度法測定聚酯切片的端羧基，對稱樣量、滴定劑的濃度、溶劑的空白等測試條件和參數進行優化選擇。
  8. In this study a microbial system for biphenyl biodegradation is set up in order to investigate the effects of surfactants on biodegradation of hydrophobic organic compounds. four strains which can grow on biphenyl as the sole carbon and energy sources are selected out, in which alcaligenes eutrophus dj1 and pseudomonas sms02 are chosen as degradation strains. after studing the bioavailability of three nonionic surfactants ( op - 10, tween - 80, and triton x - 100 ), they are added into the biodegradation system of biphenyl

    為了考察表面活性劑對疏水性有機污染物生物降解的影響，本論文選擇聯苯作為模擬研究體系，篩選、馴化得到四株可利用聯苯作為碳源生長的菌株；考察了聯苯降解菌株對三種非離子表面活性劑op - 10 、 tween - 80 、 tritonx - 100的生物可利用性；用高效液相色譜法測定了非離子表面活性劑對聯苯的增溶曲線；較系統地研究了加入非離子表面活性劑對聯苯生物降解速率的影響。
  9. The fore cast of selection of water - isobutanol extraction distellation dissolvant

    異丁醇萃取精餾溶劑選擇的預測
  10. Theoretical analysis and experimental results show that the mentioned methods above can simplify the process condition, improve the etched effect, shorten the etching time and obtain more even etched surface. 2 ) laser - assisted wet sequencially - selective - etching method has been developed this method can be applied when the corrosion solution is mixed solvent

    2 ）提出了激光化學誘導液相次序選擇腐蝕法該方法適用於腐蝕液為混合溶劑的情況，例如， h2so4 - h2o2對gaas基片進行腐蝕時，先採用h2o2對基片進行氧化腐蝕處理，再利用h2so4進行激光化學腐蝕。
  11. The approaches of synthesizing complexes are discussed. the choice of solvent is vital in growing crystals

    討論了配合物的合成條件，發現溶劑的選擇至關重要。
  12. The high - efficiency cleaning agent and optimum conditions were chosen and it has some guiding significance on practice. the main tasks include : by the contrastive experiments of sodium tripolyhosphate, sodium hexametaphosphate, na2edta and na4edta dissolving caso4, na2edta and n ^ edta were chosen as cleaning agents in this experiment

    主要包括：通過對三聚磷酸鈉、六偏磷酸鈉、乙二胺四乙酸二鈉、乙二胺四乙酸四鈉四種螯合劑對硫酸鈣溶解性對比實驗，最終選擇乙二胺四乙酸二鈉和乙二酸四乙酸四鈉作為本實驗清洗劑。
  13. Solvent refined a refining technique to improve the quality of based oils using selective extraction of undesirable components by means of solvents

    溶劑精製-利用溶劑作為于段（利用溶劑方式？ ） ，有選擇性地萃取不需要的組份，進而提高基礎油質量的一種精製工藝。
  14. For example, when the gaas substrate is etched by h2so4 - h2o2, h2o2 is adopted to oxidate the substrate first, then the substrate was etched by means of laser wet etching in h2so4 solvent. theoretical analysis and experimental results show that compared with the mixed - solvent - etching, more smooth etched surface can be obtained by this method ; and because the substrate is preprocessed, time of laser induced wet - chemical etching

    理論分析和實驗結果都表明，次序選擇腐蝕法可以有效地提高腐蝕表面的均勻性;因先對基片進行化學腐蝕處理，大大縮短了激光化學腐蝕的時間;使溶劑先後分別作用於基片，可以提高激光化學腐蝕溶劑配比的精度容差，使激光化學腐蝕控制和分析更加簡單。
  15. The petroleum chemical industry with the activated charcoal evengrain - size distribution, the high benzene adsorption dynamics, wear - resisting, resists corrosion, the selective adsorption performance isoutstanding, mainly uses in the petroleum, the natural gas and thecarbonificated industry vapor phase live pressure adsorption, theliquid phase separation, the solvent recovery, the liquid and the gasproduct purifies, and is mad in the fluid product organic sulfideremoveing

    均勻的粒度分佈，高的苯吸附力，耐磨、耐蝕，選擇吸附性能優異，主要用於石油、天然氣及煤化工業的汽相變壓吸附，液相分離，溶劑回收，液體及氣體產品凈化，及氣液產品中的有機硫化物的去除。
  16. The ratio of tetraethyloxysilane ( teos ) : ethanol : distilled water is 1 : 3 : 4. n - n " dimethyl formamide ( dmf ) was used as solvent and drying control chemical additive ( dcca ) in a proportion of 0. 3 dmf / ethanol volume ratio. drops of hf / hc1 mixture acid was added to promote hydrolysis ( ph = 2 )

    溶劑的選擇對基質凝膠孔的形狀基本沒有影響，但對其孔徑分佈有較大影響:在hf / hci混合酸催化情況下， dmf溶劑的樣品孔徑最小， dmf /乙醇混合溶劑的其次，乙醇溶劑的樣品孔徑最大。
  17. The effect of amorphous hydrated ruo _ 2 power production is discussed here, including : selection and ratio of solvent, selection and concentration of precipitator, terminal ph of titration and anneal temperature and time of colloid. research indicated that terminal ph and anneal temperature are the most important influence factors on physical and electrochemical properties of amorphous hydrated ruo _ 2 power

    討論了超細氧化釕粉體的制備影響因素，包括:溶劑選擇和配比、沉澱劑選擇和濃度、滴定終點ph值以及焙燒溫度和時間對氧化釕粉體粒度分佈及電化學的影響，研究表明:沉澱終點ph值以及膠體焙燒溫度對粉體物理和電化學性能影響較大。
  18. In tape casting process, the mixture of xylene and propanol were used as the solvent of the slurry. the more suitable dispersing agent - s80 was selected as the suitable dispersing agent in the slurry to fit the solvent after the preparatory experiment. the influence of alumina powder content, the ratio of plasticizer and binder not only on the viscosity of the slurry but also on the pliability of green tape were investigated,

    二甲苯和異丙醇混合液作溶劑，選擇適合溶劑的分散劑，並研究了氧化鋁固含量、塑性劑與粘結劑的比值（ r ）對漿料粘度的影響，以及氧化鋁固含量、 r值和復合塑性劑的不同配比對素坯性能的影響。
  19. Study of solvent selection for recovery iodine from wet - process phosphoric acid by solvent flotation

    溶劑浮選法回收濕法磷酸中碘的溶劑選擇
  20. A method of solvent selected and optimized on the base of group contribution model was established, then according the relative volatility, relative molecular mole mass, melting point, boiling point, and so on to design the solvent molecular

    又以鹽在溶劑中的溶解度為評定目標，選擇合適的鹽為醋酸鉀。利用計算機分子設計，以基團貢獻模型為基礎，建立了一套溶劑選擇優化的方法。
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