合成粒子
- 网络compound particle
-
结果表明,合成粒子的最佳pH值范围为4.4~5.0;
It showed that the pH value in reaction system should lie in the range of 4.4 to 5.0 ;
-
利用DTA、XRD、TEM等技术,分析了合成粒子的晶型转变过程,并对其原因进行了理论探讨。
The processes of crystalline transformation were studied by means of DTA 、 XRD 、 TEM and its mechanism was analyzed theoretically .
-
红外光谱结合X射线荧光光谱分析鉴定合成橡胶粒子
Identification of a Kind of Synthesized Rubber by IR Spectrometry and X-Ray Fluorescence Spectrometry
-
利用超声波萃取技术,对合成橡胶粒子中的高聚物和其他成分进行分离,然后利用红外光谱和X射线荧光光谱对分离后的组分进行分析鉴定,获得了较好的结果。
A kind of synthesized rubber was separated by ultrasonic extraction and identified by FT-IR spectrometry and X-ray fluorescence spectrometry .
-
基于化学气相(CVD)合成超细粒子过程的反应、成核、生长和凝并,考虑CVD反应器中的轴向温度分布,建立了CVD反应器中描述超细粒子粒度及分布的一维过程模型。
Considering the axial temperature profile in CVD reactor , and based on the chemical reaction , nucleation , growth and coagulation of AlN UFP synthesis process by chemical vapor reaction , a one dimentional process model of particle size and distribution was established .
-
反应器合成聚丙烯粒子孔特征的研究
Studies on Pore Characteristics of Polypropylene Particles
-
最后,使用合成的粒子图像进行了算法验证和效率分析并给出了仿真结果。经验证,优化后的相位相关匹配具有高效性与可靠性。
Finally , the improved phase-based processing has been tested on synthetic particle images , and experimental result demonstrates the effectiveness of the optimized matching method .
-
所以,我们需要一种能够提供粒子在溶液中充分分散,有效降低浓度差,同时能够为合成的粒子做筛选的磁分离仪器。
Therefore , we need a way to provide particles fully dispersed in solution , effectively reducing the concentration difference , while the particles can be screened for the synthesis of magnetic separation equipment .
-
气相蒸发法合成Cu超微粒子
Synthesis of Cu ultrafine particles using gas evaporation method
-
F-T合成Fe-Mn超细粒子催化剂的表面结构
Surface Structure of Fe-Mn UFP Catalysts for F-T Synthesis
-
针对AlCl3-NH3-N2体系化学气相合成AlN超细粒子的过程,研究了AlN粒子形成过程特征和操作参数对其粒度及分布的影响。
To the AlCl_3-NH_3-N_2 system , the process properties of AlN particle formation and the effects of prosess parameters on AlN particle size and distribution were studied .
-
研究了合成条件对粒子形态及尺寸分布、组成的影响,并对其CO甲烷化活性进行了初步考察,表明等离子体的反应性和高温度梯度是制备超细颗粒的有效手段。
Relations between particle shape , size distribution , composition and reaction conditions were studied as well as the activity to CO methanation . The results revealed that the high reactivity and temperature gradient of MW plasma are in great favour of ultrafine particle ′ s preparation .
-
方法:乳胶法合成纳米金粒子,透射电镜对纳米金粒子表征测定,纳米粒子偶联CEA抗体,采用免疫组化方法测定MGG-803细胞中CEA抗原的表达。
Method : The gold nanoparticles was syntheses by emulsion , and the exosyndrome of nanoparticles was detected by transmission electron microscope ( TEM ) . Coupling the nanoparticles with CEA antibody , and then testing the CEA antigen by immunohistochemistry .
-
采用部分还原沉淀法合成Fe3O4磁性粒子,通过热处理制度控制粒径和晶相的不同,得到磁性能表现不同的Fe3O4磁性粒子。
Fe_3O_4 particles were synthesized by partial reduction chemical precipitation method . The diameter of the particles and its crystal phase , which would have the effect on the magnetic property of the particles , were controlled by different heat treatment .
-
研究表明:合成的磁性粒子主要成分为面心结构的反尖晶石Fe3O4,磁性颗粒的粒径一般为2~10nm,以5nm居多;
The results show that the major component of the magnetic particles is anti-spinel Fe_3O_4 with a face-centered cubic structure , and the particle sizes of 2-10 nm and 5 nm were numerous among the various sizes .
-
化学气相合成AIN超细粒子过程模型研究
Modelling Study of AlN UFP Synthesis Process by Chemical Vapor Reaction
-
通过电镜观察到所合成的胶乳粒子具有核-壳结构。
The observation of TEM showed that the particles of latex had obvious core-shell structure .
-
超细粒子的合成技术超细粒子氧化铝的制备
Preparation of the alumina ultrafine particles
-
研究了不同反应温度对在球形聚合物刷载体上合成的金属粒子的形态、粒径和粒径分布的影响。
The morphology , size and size distribution of metal nanoparticles in spherical polymer brushes were various in different temperatures .
-
首先,通过溶剂热法合成了纳米ZnS粒子,并制备了不同ZnS含量的环氧/ZnS纳米复合材料。
The preparation , morphology and properties of these nanocomposites have been studied in detail . First , epoxy coated ZnS nano-particles were synthesized through hydrothermal process , and then epoxy / ZnS nanocomposites with different ZnS contents were prepared .
-
采用微波水热法合成出纳米CaSeO3粒子,考察了制备该纳米粒子的影响因素,并对产品进行了X射线衍射仪(XRD)和透射电子显微镜(TEM)测试和光催化染料性能的研究。
The influence factors on nanocrystalline CaSeO_3 preparation were studied by synthesizing nanocrystalline CaSeO_3 using Microwave Hydrothermal . Then samples are characterized by powder X-ray diffraction patterns , transmission electron microscope images and differential thermal analysis-thermal gravimetric . In addition , the thermal stability and photocatalysis characteristic are also studied .
-
高纯CaCO3的合成方式对CaCO3粒子形貌有较大影响,对PTC陶瓷的电性能也存在一定的作用,其中以气液反应合成方式所得CaCO3对PTCR较适宜。
The synthesis method of high purity CaCO 3 has significant influence on shape of CaCO 3 grains and effect on electrical properties of PTC ceramics . The CaCO 3 synthesised by gas liquid reaction has appropriate effect on those of PTCR .
-
采用共沉淀法合成了碳酸钡粒子。
Barium carbonate was prepared by using common precipitation method .
-
预聚法合成聚氨酯/无机粒子复合材料
Preparation of Polyurethane / inorganicParticles Composites by Prepolymer Process
-
鼓泡浆态床费托合成Co/SiO2细粒子催化剂研究
Studies on Co / SiO_2 Fine Particle Catalyst for Slurry Bubble Column Reactor by Fischer-Tropsch Synthesis
-
对纳米复合粒子的抗氧化性能和磁性能的检测证实,原位合成的Fe3O4/PANI复合粒子不仅能有效防止在空气中被氧化,还可在磁场环境下实现快速富集、定位。
The anti-oxidation and magnetism testing proved that Fe3O4 / PANI compound particles prepared by this method could effectively prevent oxidation and be rapidly collected and located under magnetic field .
-
多光谱和全色图像融合适用的超复数主元加权方法如果将能谱实验数据的对数拟合成直线以求得粒子温度,则最好对温度误差的平方和极小化。
Hypercomplex principle component weighted approach to multispectral and panchromatic images fusions However , if a straight line is fitted for logarithmic spectrum data to give the particle temperature , it is better to minimize the temperature square error sum .
-
结果表明,所合成乳液的乳胶粒子具有预期的核-壳型结构,成膜物的玻璃化转变温度为13.6℃,其拉伸强度和耐水性比常规乳液聚合物有明显的提高。
It is found that the latex particle has core-shell structure , the glass transition temperature of copolymer is about ( 13.6 ) ℃ . The core-shell copolymers synthesized possess better mechanical property and water resistance compared with the copolymers synthesized through normal emulsion polymerization techniques .
-
实验结果表明:合成过程中引入磁场不仅对合成粒子的结晶学取向、晶粒尺寸和粒子的分散性有影响,而且使得粒子的饱和磁化强度明显降低。
The measurements results indicate that the introduction of magnetic field during synthesis process could not only influence the crystallographic orientation , crystalline size and particles dispersion but also reduces the saturation magnetization significantly .
-
研究了超微聚苯乙烯(PS)有机刚性粒子的合成工艺,采用激光粒径分析仪对合成PS有机刚性粒子的粒径及其分布进行了表征;
The title synthetic technology of supermicro polystyrene ( PS ) rigid particles has been studied . The particle size and distribution is characterized by using laser particle size tester .