Twenty seven kinds of the strontium - and magnesium - doped lagao3 solid electrolytes with the perovskite structure were prepared by means of solid state reaction 本课题通过固相反应法制备了27种钙钛矿结构的sr 、 mg掺杂的lagao _ 3固体电解质材料。
The basic thermodynamic theory was introduced to calculate the gibbs function changes of mg - si - 0 system and was used to discuss the process of synthesizing the mg2si powder 本文应用热力学理论对mg _ 2si制备过程进行了讨论，并探讨了固相反应进行的可能性及工艺制度的确立。
The influence of dopants amount on thermoelectric properties of mg2si specimen was researched . the p - type mg2si based thermoelectric materials was synthesized first time by solid - state reaction 研究结果表明，用低温固相反应可以在制得mg _ 2si粉末的基础上掺杂而对纯mg _ 2si的热电性能进行改进。
The influences of holding time , reaction temperature , particle size of the products and doping sequence on thermoelectric properties of mg2si were discussed in detail 结果表明：在823k下进行固相反应并保温8小时是合适的，对mg _ 2si这种n型半导体材料而言， te和sb的掺入顺序对其热电性能几乎没有影响。
Pzt powders were synthesized by solid - state reaction method , sol - gel method and sol - self - combustion method respectively , and pmzn piezoelectric ceramics with the synthesized pzt as matrix respectively were fabricated 本研究分别采用固相反应合成法、溶胶-凝胶法和溶胶-自燃烧法合成pzt ，以其为基础制备了pmzn压电陶瓷。
The tem and eds measurements indicated that it is mainly due to the high dispersibility and small diameter of the pt - ru particles in the pt - ru / c catalyst prepared with the solid phase reaction method Tem和eds的测量表明，这主要是由于用固相反应方法制得了pt - ru c催化剂中的中文摘要k r的分散度好，平均粒径4 、的缘故。
Dta , xrd , epma . x - ray fluorescence analysis and sem were adopted in the evaluation of structure , composition and morphology . the processing parameters were then decided by the measured results 应用差热分析、 x射线衍射、电子探针元素分析、 x射线荧光分析等手段详细探索了固相反应法制备mg - si基热电化合物的工艺制度。
In this paper , sral2o4 : eu2 + , dy3 + phosphor with good photoluminescence properties was synthesized successfully through sol - gel method . be compared with conventional solid state method , the reaction temperature can be greatly decreased 该方法较传统的固相反应法明显、有效的降低了反应烧成温度，且产品具有粒径小而均匀的优点。
Mgo and al2o3 can form mgal2o4 existing mainly on the grain boundary through solid phase reaction , which limited the migration of the grain boundary and thereby inhibited the abnormal growth of the alumina grain Mgo能与al _ 2o _ 3发生固相反应生成主要存在于材料晶界处的mgal _ 2o _ 4 ，限制了晶界的迁移，从而抑制了氧化铝晶粒的异常长大。
Abstract : in the course of deeply processing of nonmetal mineral , because of the compact structure of mineral , most liquid - solid phase reactions conform to shrinking core model , including unstable diffusion with boundary - moving 文摘:在非金属矿的深加工过程中，由于矿石结构致密，大多数液固相反应符合缩芯模型，其中包含有边界移动的不稳定扩散。
