reactant 中文意思是什麼

音標 [ri:'æktənt]
reactant 解釋
n. 名詞 【化學】反應物。

  1. Based on orthogonal test, the factors influencing the synthesis of di - n - propyl phosphite, such as reaction temperature, reaction time and molar ratio of reactant, were investigated

    通過正交優化試驗，考察了溫度、時間和物料配比對二正丙基亞磷酸酯的合成收率的影響。
  2. Oxygen is often used as reactant in chemical processes.

    在化學過程中，氧氣經常充當為反應物。
  3. The explanation could lie in the sharp temperature jump a particle experiences when it becomes dispersed in a bubble of reactant gas.

    其解釋是當顆粒被分散於反應氣體的氣泡中時，經受著溫度的突然躍升。
  4. It is important that the dependence of the burning rate on both the local reactant character and the local gas dynamic environment be adequately represented.

    恰當地表示燃燒速率隨局部反應物特性和局部氣動力環境的變化關系是很重要的。
  5. High quality cube - like mnse2 and sphere - like ( - mnse micro - crystals have been obtained in aqueous solution at low temperatures ( 100 ( c ~ 180 ( c ). by using tellurite as reactant, uniform cote and nite nanocluster wires were successfully synthesized through a co - reduction process

    用亞碲酸鹽代替亞硒酸鹽，上述方法被成功應用到金屬碲化物的動力學調控合成中，通過共還原反應機理，利用新生的元素co 、 ni與活性碲，於水溶液中合成了cote和nite的一維納米線。
  6. The main point can be summarized as follows : a low - temperature elemental - direct - reaction route to nanocrystalline cdse and znse, and further more, by using the newly produced se with high reactivity as reactant, a controllable synthetic route named " selenite reduction hydrothermal method " have been developed

    在合成新途徑的探索方面，從發現了水熱元素直接反應法，發展到亞硒酸鹽水熱還原法，提出了化學調控合成的新概念，為液相中金屬硒碲化合物的合成提供了可能的動力學調控手段和方法。
  7. The factors, such as reactant concentration, medium acidity, stirring speed, washing and drying temperature, directly influence purity, structure and yield of the product

    反應物濃度、介質溶液的酸度、攪拌速度、沉澱分離后的洗滌、乾燥溫度等對產物的純度、結構和收率都有直接影響。
  8. When the reactants are not enough, we perform the policy, which allot the reactant according to the reaction speed

    並在反應物的數量不足時，進行了按反應速度進行分配的策略，而不是簡單地把反應物數量不足的化學反應通道關閉。
  9. With the increase of water content, the influence of reactant concentration on the diameter of water cores became stronger

    反應試劑濃度對體系水核直徑的影響隨著水含量w值的增大而增大。
  10. Because the antigen ? antibody reaction is an equilibrium binding reaction, the magnitude of the signal relies on the concentration of each reactant

    因為抗原抗體反應是一個平衡結合反應，所以信號量依賴于每個反應物的濃度。
  11. It was shown that the gel time and rf carbon aerogels properties were mainly determined by the catalyst content ( r / cat ) and reactant concentration

    催化劑含量（ r cat ）和反應物濃度是影響凝膠化時間和氣凝膠性質的主要因素。
  12. Due to the high reactant concentration the aquagel had a good strength. hence, the aging process can be saved and the preparing times of aerogels was shortened for this sol - gel system

    由於增大反應物含量，所得水凝膠強度好，不需經過三氟乙酸老化，縮短了氣凝膠合成周期。
  13. To determine influence of technical conditions on product diameter, the influences of concentrations, molar ratio, reaction temperature and time on average size were investigated by means of uniform design. the results of experiments indicated that product diameter was mostly influenced by reaction temperature, followed by molar ratio of reactant, concentration of reactants, and reaction time. the optimum conditions were c ( co ( no3 ) 2 6h2o ) = 0. 35mol / l, n ( co ( nh2 ) 2 ) : n ( co ( no3 ) 2 6h2o ) = 3. 53 : 1, reaction temperature 94 and reaction time 3. 53h

    以產物的平均粒徑（ nm ）為優化指標，選擇硝酸鈷濃度、反應物摩爾比、反應溫度和反應時間四個因素，運用均勻試驗設計技術進行3 ~ 5 1 ~ 3因素優化試驗，發現反應溫度對產物的粒徑影響最大，其次分別為反應物摩爾比、硝酸鈷濃度以及反應時間，並確定最佳反應條件為：硝酸鈷濃度0 . 35mol l ，反應物摩爾比為3 . 53 ： 1 ，反應溫度94 ，反應時間3 . 53h ，預報值粒徑y _ 1 = 19 . 57nm ，在此優化條件下制得的納米co _ 3o _ 4平均粒徑為22nm 。
  14. The optimum technic conditions have been gotten in in preparaing high dispersive a1 ( oh ) 3 colloid by controlling reactant concentration, ph value, reaction temperature, matured time. they are the prereguisite to prepare nanopoder of a - a1203. this paper entirely and systematically studies the following three kinds of drying stages : oven drying, dehydration with alcohols and azeotropic distillation stage

    本文採用逐步逼近法進行了氫氧化鋁膠體的沉降實驗，對膠體形成的體系反應物的初始濃度、體系的ph值、反應溫度和膠體的陳化時間進行了系統優化，並獲得了制備高分散氫氧化鋁膠體的最佳工藝參數；此膠體經過過濾、 80下烘乾后所得樣品，在掃描電鏡下直接觀察其粒徑為50nm ，且分佈范圍窄，顆粒的表面清潔，為球形。
  15. In the production process of beta - cypermethrin, the overall yield was improved from 60 % to 93 % and the content of the final product was increased from 90 % to 95 % by optimizing technical conditions in the aspects of various starting materials, temperature control, reactant ratio, the mode of discharge, stir type, stir speed and etc

    摘要在高效氯氰菊酯的生產過程中，通過不同原料合成氯氰菊酯的選擇、溫度控制、投料比、出料方法、攪拌類型及轉速的選擇等方面的工藝探索，產品收率由60 %提高到93 % ，含量由90 %提高到95 % 。
  16. The effect of the mole ratio reactant, reaction temperature, reaction time, catalyzer on the each reaction were studied. the optimum reaction conditions were obtained

    研究反應物配比、反應溫度、反應時間、催化劑用量對各步反應的影響，得到最佳反應條件。
  17. Instructions : the product adopts the alec macromolecule material and the latest imported high - tech pigment, with special formula, and advanced techniques, it has good iuster, high speed polishing reactant and excellent softness

    產品說明：本產品採用國際流行之亞克力高分子材料及國外最新之助劑，以獨特配方，先進生產工藝精心配製而成，具有良好的光澤度，高速拋光向應性及優異的流平性。
  18. In this work, using elemental powders as starting reactant materials several carbide powders such as wc, sic, tic, zrc and corresponding alloys had been fabricated by ball - milling technique. x - ray diffraction ( xrd ), scanning electron microscopy ( sem ), transmission electron microscopy ( tem ) and other measurement techniques had been used to monitor the structural changes of powders after some ball milling time and the properties of the cemented tungsten carbides. and the mechanism for the formation of matal carbides by ma has also been discussed

    本文主要對機械合金化（ ma ）技術在碳化物制備中的應用進行了研究，利用高能球磨，以元素粉末為原料，制備出wc 、 sic 、 tic 、 zrc的粉體以及wc基硬質復合材料，並利用x射線衍射、掃描電鏡、透射電鏡等方法分析和研究了球磨過程粉體的變化以及燒結后硬質合金的性能，對機械合金化制備碳化物的有關機理進行了研究和探索。
  19. By calcining low humidity pelleted kaolin, a kind of metakaolin pellet, inside which the macroporous structure developed ， has been prepared. the structure remarkbly benifits reactant ion transference. so, the variety has high acid leaching reactivity, even coarse as the pellets are, its reaction kinetic is still maintained zero order up to a significant conversion rate

    在用鹽酸加熱浸取時，該類球粒內的鋁質組分表現出高酸溶反應活性，不同粒級的該類球粒有相似的浸出率時間曲線，且大部分鋁能被迅速浸出。
  20. This paper firstly synthesized the maltose fatty acid ester by agent - in - water method. the influences of reaction time, temperature, proportion of reactant ect. on synthesis have been observed

    摘要本實驗首次以麥芽糖漿為原料微乳化法合成麥芽糖酯，以酯得率為考察目標，主要探討了反應過程中時間、溫度、反應物配比等因素的影響，並對產品的理化性質作初步分析。
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