x
uploads/reactant.jpg

reactant n.【化學】反應物。

reaction

Water activity ( aw ) water is produced during maillard reaction , thus the reaction occurs less readily in foods with a high aw values while , at low aw , the mobility of reactants is limited , despite their presence at increased concentrations 在生產加工中,亞硫酸氫鈉可以抑制褐變,水果熏硫處理,不僅能抑制酶褐變,還能延緩美拉德反應。

To study the synthetic technology of it and investigating the influence of synthetic reaction that ratio of reactants , content of catalyst , reactive temperature and time , content of alkalion and so on was also related to the experiment 研究了其合成工藝,考察了原料配比、催化劑量、反應溫度和時間、堿用量等因素對實驗的影響。

Using non - proton organic solvent as reaction medium , then reactions in definite conditions after reactants being separated 、 dryed 、 weighed and compared productivity , test the new compound by dsc 將槲皮素和大豆卵磷脂共溶于不同非質子性溶劑中,在一定條件下進行反應,然后將反應物分離、干燥、稱重,比較收率,并用dsc進行分析。

Furthermore , the key microemulsion properties of interest are the size of the water cores , the average number of water cores , the average occupancy number of reactant ions per water cor 反應試劑離子的濃度對最終顆粒尺寸的影響次于水含量的影響,在水含量不變的情況下,當反應物離子濃度增加時,顆粒的直徑略有增加。

This is often achieved by the attraction of the reactants to the enzyme ' s active site , thus coming into closer proximity , or by the enzyme causing conformational or electrostatic changes in one or more of the reactants 通過吸引反應物去酶的活化位點,繼而兩者相互靠近,從而使反應物的構象或靜電荷發生變化。

The influencing factors such as the ratio of reactants , activation time , reaction time and reaction temperature on the synthesis were studied so as to optimize the conditions for synthesizing flocculant 研究了反應物料配比、活化時間、反應時間、反應溫度等因素對合成的影響,優化出絮凝劑合成的工藝條件。

Kerneos is the world leader in the research , production and valorization of calcium aluminate specialty mineral binders and reactants to the dry mix mortar industry 林棟經理:凱諾斯鋁酸鹽公司在鋁酸鹽的科研和生產中,以及把鋁酸鹽作為特種礦物膠凝材料和添加劑的干粉砂漿領域,都處于世界領導地位。

Conclusion the formation of quercetin - phosphatidylcholine complex was greatly influenced by the solvent , concentration of reactant and reactant ratio , the new synthesized compound being gotten 槲皮素卵磷脂復合物的形成受溶劑、反應物的濃度和反應物投料比的影響較大,形成的是一種新的化合物。

The preparation handbook will make reference to current international standards . it will set out in detail the sources of the major air pollutants in the prd region and their leading reactants ( e . g 《編制手冊》將參考國際的現行標準,詳列珠江三角洲地區內主要區域性空氣污染物及其前導物,如

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、沉淀分離后的洗滌、干燥溫度等對產物的純度、結構和收率都有直接影響。

The influences of w0 ( molar ratio of water to surfactant ) , the concentration of the reactants and the aging time on the morphologies and the sizes of the nanoparticles were studied 研究了微乳液中水與表面活性劑的摩爾比( _ 0 ) 、反應物濃度及濃度比、陳化時間等條件對產物形貌的影響。

In the partial ternary phase diagram of aot / isooctane / mcpm or ca ( oh ) 2 solution , the single phase areas of microemulsions become compressed because of the effect of reactants as electrolytes 兩種反應試劑的水溶液增溶進入aot異辛烷水體系后,引起了微乳液體系一系列的變化。

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 由于增大反應物含量,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。

When using pb ( ac ) 2 and thiourea as reactants , keeping ph value more than 10 , the autoclave was maintained at 200c for 20h , the products were well crystallized star - shaped pbs nanostructures 若保持錫硫摩爾比為1 : 4 ,在160下反應24小時,得到的產物為sns _ 2葉片狀結構。

Based on analyzing the defects existing in traditional sonochemical reactors , the authors developed a new type of sonochemical reactors that controls the reactant temperature by cooling and heating 摘要在分析傳統聲化學反應器缺陷的基礎上,研制了一種新型聲化學反應器。

Based on the model the reactants concentration and temperature profiles along the axis and the concentration and temperature at different position of the washcoat were calculated 根據此模型對通道軸向的反應物濃度與溫度分布以及催化劑涂層內不同厚度處的濃度做了計算。

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。

“ hydrolysis : chemical reaction in which water ( h2o or hoh ) and another reactant exchange functional groups to form two products , one containing the h and the other the oh . 水解:一種化學反應,其中水與另一個反應物交換官能團而形成兩個產物,一個含h ,另一個含oh 。

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。