A mathematical model has been derived to predict the time used for the formation of such a homogeneous polymer gas phase. 对其进行分析和计算,推导出挤出过程中聚合物气体均相体系形成所需时间计算公式。
Introduced different molecular weight PEG in chitosan by solvent casting method, the blending system had good compatibility, reached homogeneous phase of the thermodynamic level. 用溶液浇铸法在壳聚糖中引入的不同分子量的聚乙二醇,共混体系相容性好,实现了热力学水平上的均相。
The advice to the non homogeneous phase model is given. 对于不适于均相流模型的流型的模型给出了一些建议。
The dyeing wastewater was treated by homogeneous phase Fenton oxidation-coagulation process. 采用均相Fenton氧化&混凝法对印染废水进行了强化处理。
A new noncrystalline ruthenium sulfide was synthesized by homogeneous phase precipitation Ru(ⅳ) with thioacetamide ( CH_3CSNH_2). 采用硫代乙酰胺(CH3CSNH2)均相沉淀Ru(Ⅳ),人工合成了一种新的钌硫化合物。
XRD patterns showed that the cathode material is well-crystallized, homogeneous olivine-type phase, with only tiny trivalence iron impurities. 结果表明,所合成的材料结晶完整,为均一橄榄石型结构,仅含少量三价铁杂质;
Combined catalysts comprising supported metal and supported aqueous phase ( SM SAP) were prepared by immobilizing the homogeneous catalytic phase in the pores of supported metal catalysts with high surface area. 利用均相催化剂和多相催化剂各自的特点,首次在高比表面大孔硅胶负载金属催化剂上担载水相络合催化剂制备复合负载金属支撑水相催化剂。
Using orthonormal experiments, the effect of the amount of each catalyst component and copoly merization condition in the homogeneous phase system of polyketone on the activity and life of catalytic activity center-palladium(ⅱ) was studied. 通过正交试验确定聚酮反应的均相体系中催化剂各组分配比和反应条件对催化活性及活性中心寿命的影响。
Research of MOR/ p Zeolite Co-crystalline Materials Synthesized in Homogeneous Phase 均相法合成丝光沸石/β沸石混晶材料的研究
This paper introduces the development of liquid scintillation counting from homogeneous phase method to diaphragm method. 本文介绍液体闪烁测量从均相法到膜片法的进展,展示了两种测量法的实验结果。
The results of the computation well agree with the experiments. Compared with the homogeneous phase flow model, it is indicated that the accuracy of the simulating model is improved. 实验表明,与计算机模拟结果吻合较好,与均相流模型相比,精度有所提高。
Enhanced Treatment of Dyeing Wastewater by Homogeneous Phase Fenton Oxidation-Coagulation Process 均相Fenton氧化&混凝法强化处理印染废水
Moreover, after the process of the homogeneous phase complex catalyst, 'effect of polymer' and 'microenvironment effect' would improve the catalytic ability of the catalyst. 此外均相络合催化剂多相化后,由于高分子效应和微环境效应还有可能改善催化剂的催化性能。
From the master equation of a chain reaction model for homogeneous phase end, this article deduces out the critical relation between its coherent length and reactive parameter, and discuss the characteristic of critical relation for three special situation. 本文从一个具有均相终结的链反应模型的主方程出发,导出了其相干长度与反应参量的临界关系,讨论了三种特殊情形的临界关系的特性。
Consider the biological medium as a multi-component system of homogeneous phase and calculate the penetrating range of 30 keV N+ implanted into paddy seed and 100 keV As+ implanted into bacteria. The calculation is consistent with experimental data. 以30keV的N+注入水稻种子和100keV的As+注入微生物细胞为例,计算了平均穿透深度,结果与实验资料一致。
It can be concluded as follows: In boiling process, a new vapor phase is formed in a homogeneous liquid phase, it must proceed in a condition far away from equilibrium. Therefore, a TOS is needed. 认为:沸腾要在液相中产生一个新的蒸气相,过程要在一个远离平衡的条件下进行,要有一个过热度ΔTsat;
Orthogonal and single factor experiments in homogeneous phase are carried out in order to determine the optimum reaction conditions for oxidation and degradation of phenol in specific wastewater. 对均相催化氧化反应进行正交试验和单因数试验,确定其氧化降解特定废水的最优化条件。
The homogeneous phase flow model was used to calculate the pressure loss throughout the system, in order to forecast the transfer capacity of the system. 采用均相流模型计算两相流中的沿程压力损失以预测真空排污系统的输送能力。
The following results are obtained: 1. There is a certain mutual solubility of flame-retardant additive HAL-1 in PET, by adding 8% HAL-1 in PET at the end of condensation, the resultant flame-retardant polyester presents homogeneous phase and its fiber-forming ability is good. 研究表明:①阻燃剂HAL1与PET有一定的相容性,于缩聚结束后添加8%的阻燃剂HAL-1于PET中,制得的阻燃聚酯呈均相,具有良好的成纤性能;
Technology of depositing TiO 2 on surface of diamond by homogeneous precipitation phase transfer method are presented, TiO 2 is reduced into Ti in vacuum at high temperature, formation of Ti and TiC is verified by X-ray diffraction analysis. 用均一沉淀法在金刚石表面沉积二氧化钛,探讨了沉积工艺条件。覆层在高温和真空条件下被还原为单质金属钛,X射线衍射分析表明金刚石表面有钛和碳化钛生成。
The hydrolysis of cellulose is a homogeneous phase reaction in acid-peeling finishing. 酸减量整理中,纤维素的水解是一个均相水解反应。
The kinetics of homogeneous phase dodecyl alcohol ethoxylation for alcohol ether synthesis has been studied in the presence of KOH catalyst with a continuous tubular reactor. A simplified kinetic model and the reaction rate constant were obtained. 利用连续管式反应器对以KOH为催化剂的均液相月桂醇乙氧基化反应合成醇醚的动力学进行了研究,获得了其简化的动力学模型和反应速度常数k。
In the large existing documents about throttling capillary tubes, they mainly describe the flowing features of average refrigerants using mostly the homogeneous phase model. 纵观现有的众多节流毛细管的研究文献,内容主要涉及普冷工质的流动特性,而且其中大多采用的是均相模型。
Based on the homogeneous phase model, a model of non loss and mean friction two phase flow network model and parameter impedance and admittance are given. 并基于均相流模型,推导出无损管路和平均摩擦管路条件下气液两相流的网络参数&阻抗和导纳的表达式。
1,4-BD can be soluble in water, so the process of decomposition of BPA, 1,4-BD, TPA in water occurred in homogeneous phase. 1,4-BD能与水混溶,因此,BPA、1,4-BD、TPA分解反应在液相均相中进行。
Advanced oxidation processes ( AOPs) have been widely applied to deal with azo dye wastewater in recent years, which are characterized by the generation of highly oxidative hydroxyl radicals(? OH) in the homogeneous or heterogeneous phase. 近年来,高级氧化技术(AOPs)由于其在均相或异相体系中可以产生高氧化活性的羟基自由基而被用于偶氮染料的废水处理。
After plasticizing of the urea and the ethanolamine elasticizer, the original starch pellet receives certain degree of the destruction, forms the homogeneous continuous phase. 经过尿素和乙醇胺塑化剂塑化后,原来的淀粉颗粒受到一定程度的破坏,形成均一的连续相。
In the physical foaming, the most crucial part is formation of homogeneous phase. 利用惰性气体作为发泡剂的发泡方法中,关键的部分是形成均相体系。
Hydrolysis and alcoholysis of PBT both occurred in homogeneous phase. PBT的水解和醇解反应都在均相反应中进行。