試劑的選擇性 的英文怎麼說

中文拼音 [shìjìdexuǎnzháixìng]
試劑的選擇性 英文
selectivity of reagent
  • 試 : 名詞（古代占卜用的器具） astrolabe
  • 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...
  • 的 : 4次方是 The fourth power of 2 is direction
  • 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
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 試劑 : [化學] reagent; agentia; analoids試劑廠 chemical reagent works
  • 選擇 : select; choose; opt; election; choice; culling; alternative
  1. The herbal alternaties for menopause trial ( halt ), was a one - year, double - blind, randomized, controlled trial comparing the effects of three formulations of black cohosh with hormone therapy and placebo for relief of hot flashes and night sweats

    選擇性本草植物治療更年期試驗（ halt ） ，是一項長達一年的，雙盲的，隨機對照的試驗，比較黑升麻、激素和安慰劑3種方式對熱潮紅和盜汗的緩解作用。
  2. Hi this thesis, the setting time of various retarders had been tested, in which three retarders with good retarding action, citric acid, sodium tripolyphosphate, bone glue are respectively chosen from three types of retarders, hydroxyl carboxylic acid type, phosphate type and protein type, and the strength and setting time of gypsum added with them are determined. effect of some factors, such as ph value, fineness of hemihydrate, type of gypsum on the retarding action of the retarders is also studied

    本文對多種緩凝劑進行凝結時間測試，選擇效果良好的羥基羧酸、無機鹽和蛋白質類型的三種緩凝劑：檸檬酸、多聚磷酸鈉和骨膠，測定它們對石膏凝結時間、強度等宏觀性能的影響，並分別研究ph值、石膏細度和石膏種類等因素對它們的緩凝效果的影響。
  3. Afterwards the author presents the character of resin and chooses some kinds of coloring agents. the experiments are carried out to compare the change of single layer depth of cured resin when the coloring agent is interfused into photo - resin. furthermore several coloring agents are modified to face the interfusion problem

    然後，介紹了樹脂的特性，並選擇了不同種類的著色劑，通過試驗研究了不同著色劑加入到光敏樹脂后對單層固化厚度造成的影響，針對試驗出現的問題，又通過改性的方法對一些著色劑進行了處理，進一步研究了其固化的效果，得出了適合於彩色光固化立體造型的分層厚度。
  4. On the basis of research of various physical characteristics of coal gangue, fly ash, aeolian sand, through contrast experiment, we chose this new reinforce material

    在對煤矸石、粉煤灰和風積砂土的各項物理力學特性進行試驗研究的基礎上，通過對比試驗選擇了可供工程應用的新型固化劑。
  5. In this paper, a high performance sma system applied to steel bridge deck is put forth in allusion to the pavement project of the wuhan junshan yangtze river highway bridge. it comprises steel slab, zn coating layer, closing layer, adhesive, pre - mixed asphalt stone and dual layer sma from bottom to top. it is based on the fea results of the forces and deformation of the pavement layer by means of the algor feas, according to this bridge ' s traffic and the ambient temperature varying range of the pavement layer

    本文針對武漢軍山長江公路大橋鋼箱梁橋面鋪裝工程，從鋪裝層環境溫度變化范圍、交通量等使用條件出發，在用algorfeas有限元分析軟體分析鋪裝層受力變形基礎上，提出了（即鋼板+金屬鋅塗層+封閉層+粘接劑+預拌瀝青碎石+雙層sma ）的高性能鋼橋面sma鋪裝體系，並對這種sma的組成材料，包括改性瀝青、集料、礦粉、纖維進行了比較研究，設計了這種sma的配合比，對sma混合料的性能進行了對比試驗，對這種sma方案進行了疲勞性能研究，驗證了所選擇sma方案的可行性。
  6. This approach has shown particular promise with the cobalt ( iii ) - salen - catalyzed hydrolytic kinetic resolution of chiral epoxides, a highly selective reaction of interest because of the versatility of epoxides as precursors to pharmaceutically important targets

    因為多功能性的環氧化合物在醫藥上是重要目標分子的前體，這個方法在高選擇性反應- -鈷（ iii ） -沙林試劑催化的手性環氧化合物的水解動力學拆分上特別引人注目。
  7. The selective fluorinating reagents and their use in organic synthesis

    選擇性氟化試劑及其在有機合成中的應用
  8. Results : twenty - five observational studies ( 14 cohort and 11 case control studies ) that measured blood or toenail selenium concentrations and 6 randomized trials that evaluated supplements containing selenium met our inclusion criteria

    結果：有25個檢測血或趾甲中硒濃度的觀察性研究（ 14個群體研究和11個病例對照研究）和6個評價含硒補充劑的隨機試驗符合我們的選擇標準。
  9. It concerns a comparison and contrast of three nationally adopted standard methods for the determination of ammonia in indoor air ( i. e

    摘要對國家標準檢測室內空氣中氨含量的3種方法，即靛酚藍分光光度法、納氏試劑分光光度法以及離子選擇性電極法進行了較為全面的研究。
  10. Sodium salicylate - sodium hypochlorite spectrophotometric method, nessler ' s reagent colorimetric method and ion selective eletrode method ), the result obtained turns out to be satisfactory

    並對靛酚藍分光光度法與納氏試劑分光光度法、離子選擇性電極法與納氏試劑分光光度法的樣品測定進行了對比分析，得到了滿意的結果。
  11. Electrochemlcal sensor was widely used in the analytical determination recentlythe studyofchemlcal modified electrode （ cme ） whlchact as electrochemlcal sensor was very plentiful the chemical modified carbon paste electrode （ cmcpe ） which was fabricated by mingling modifier with carbonpaste 叩 plledmore often the cpe has the characteristic ofeaslly modified ， wide using range ， fabricated easily3 innoculty ， long llte span etc because modified spedal substance cmcpe has spedal mnctlon ， it is studied more and more byelectfochemlcal worker now supermolecule chemistry ， the emerging and up to date cross su 刊 ect ， involves all su 刊 ects of chemistry biochemistry and material science etc inthatsupralllolecule c 卜 cthlstry chcffi1stfy offers an effective method for chemists to solve the long term puzzle of improving selectivity ， ithas gotten a great devebpment from it ’ s theory beingput forward we can expect the greatly wide application ofsupermolecule chemistry on cme but because the difficulty how to station it on the surface of ethetrode cannot be solved easily ， the application of supermolecule chemistry on cme was defined

    Cmcpe具有了一般碳糊電極的特點，同時又因為修飾了特定物質，使cmcpe具有了特定的功能，越來越受到電分析工作者青睞。而超分子化學是一個新興的跨學科的交叉前沿領域，由於超分子化學解決了一直困擾化學工作者的選擇性問題，因而從其理論提出以來，就得到了巨大的發展。可以預期超分子化學在化學修飾電極方面將有非常廣闊的應用前景，但現在由於將超分子試劑修飾在電極這一環節上存在困難，所以現在超分子試劑在cpe上應用較少，在cmcpe中的應用更少。
  12. In view of the influence of coating procedure, preferable concentration of the coating solution was selected by evaluating the different coating effect, and it was adopted in the production process of the artificial tracheal samples

    考慮到塗層工藝對人工氣管性能的影響，在試樣制備前本課題預先考察了不同濃度塗層劑溶液的塗層效果，並以此為依據選擇了效果較佳的塗層工藝用於人工氣管試樣的制備，保證了試樣的可比性。
  13. A lot of indoor and in - suti test to the properties of the chemical grouting material, especially the properties requested by actual engineering has proceeded. active - diluent of furfural - acetone, low poison hardener. surfactant and a series of formula have been selected by experiment. cw series material has low glue degree, time last of it harden can be adjust, surface tension and contact angle of the material is low

    對漿材性能特別是工程實際對漿材要求的性能進行了大量室內、現場試驗測試，選擇性能優良的糠醛?丙酮活性稀釋劑、低毒憎水性固化劑、表面活性劑及系列漿材配比， cw系漿液粘度、固化時間大范圍可調、表面張力及接觸角小、漿材固化及固結強度高，具有優良的浸潤性能和工藝性能。
  14. Selective oxidation of secondary alcohols by halogen - based oxidants

    含鹵族元素的試劑對二級醇的選擇性氧化
  15. In a new randomized trial, researchers ealuated whether pharmacologic interention with a selectie serotonin reuptake inhibitor ( ssri ) improed health - related outcomes and lengthened surial in patients with adanced cancer and complaints of depressed mood, fatigue, or anxiety

    在一項新的隨機對照試驗中，研究人員評估了運用選擇性5羥色胺再吸收抑制劑進行藥物治療干預是否能改善主述有抑鬱心情，疲勞或焦慮晚期癌癥患者的健康相關結果以及延長生存期。
  16. Abstract : the method of using formaldehyde buffer solution a b sorption - hydrochloric pararosaniline spectrophotometry to determine sulfur diox ide in air has higher sensitivity and good selectivity, and prevents from adoptin g mercurial absorbent. but the conditions in lab are not well controlled, the v alue of reagent blank and standard curvilinear slope can ' t accord with the one s tipulated in “ methods for air and waste gas monitoring and analysis ”. some opra tional techniques for so2 determination in lab are introduced for reference

    文摘:以甲醛緩沖溶液吸收-鹽酸副玫瑰苯胺分光光度法測定空氣中的二氧化硫，方法靈敏度高，選擇性好，避免了使用含汞的吸收液，但如果實驗條件控制不好，試劑空白值及標準曲線的斜率就會不符合《空氣和廢氣監測分析方法》中規定的值，本文著重從操作技巧方面對二氣化硫測定的實驗室質量控制進行分析，僅供參考。
  17. It was pointed with the experiment methods of electro - chemistry, metallographic analysis, weighing, spot count and bending that : the additives play an important part in getting high quality coating. however, the effect of different kinds of additives on performance of electrolyte and coating and the part of same additive in different electrolyte are varied. each additive is selective to electrolyte

    通過電化學方法、金相組織分析、重量法、斑點法、彎曲法等試驗方法研究指出：添加劑對鍍層質量起著至關重要的作用，但不同類型的添加劑對鍍液和鍍層性能的影響並不相同，同一添加劑在不同鍍液中所起作用亦有差異，各種鍍液對添加劑具有選擇性。
  18. By choosing different solvents, concentrations and temperatures, and using nmr spectrum technique, to determine the hydroxyl of z / e isomers of perillartine, the concentration of which was 3. 125 mg / ml, present different chemical shifts in c6d6, solvent and carbon tetrachloride and in the 1h nmr, and accordingly, conduct qualitative and quantitative analysis of z / e isomers of perillartine

    摘要本文利用核磁共振波譜儀，通過對紫蘇葶溶液不同溶劑、不同濃度和不同測試溫度的選擇，使順式結構和反式結構的紫蘇葶羥基峰在核磁共振維氫譜中呈現出不同化學位移值，從而對其順式結構和反式結構進行了定性、定量分析。
  19. In this paper, choosing principle of the materials are discussed and the matching index of the old concrete and the repairing materials are also expounded. the rapid repairing materials are classified as three categories : rapid hardening cement, rapid hardening concrete and rapid repairing agent. the behaviors of the materials have been given deep studies in both lab and engineering

    快速修補材料是道路維修中用量最大的材料，本文闡述了快速修補材料的選擇原則和基層混凝土與修補混凝土的相容性指標，將快速修補材料分為：快硬水泥類、快硬混凝土類和快速修補劑三大類，並對這些材料的性能進行試驗研究和工程應用研究。
  20. Study of side line test of h2s selective oxidation catalyst

    選擇性氧化催化劑的側線試驗研究
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