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Due to the key challenge for complicated techniques and preparation, there were few reports about ternary systems. A series of polyimide/SiO_2-TiO_2 hybrid films with different contents of inorganic particle were fabricated using tetraethoxyl silicane and tetrabutyl titanate as precursor in situ with sol-gel method and both phases in situ. Chemical structure and micro-morphology of hybrid films were studied by means of IR, SEM and XRD.

本文以正硅酸乙酯和钛酸四丁酯为前驱体,采用原位溶胶-凝胶法和两相原位同步法制备了一系列不同含量的聚酰亚胺/SiO_2-TiO_2杂化薄膜,利用红外光谱、扫描电镜和XRD观察了薄膜的化学结构和微观结构,并测试了薄膜的热稳定性、电击穿场强和耐电晕性。

A series of polyimide/SiO2-TiO2 hybrid films with different contents and weight ratio of inorganic particle were fabricated using tetraethoxyl silicane and tetrabutyl titanate as precursor by situ method. Chemical structure, micro-morphology and thermal stability of hybrid films was studied by means of SEM, IR and XRD, TGA was also tested.

以正硅酸乙酯和钛酸四丁酯为前驱体,采用两相原位同步法制备一系列不同含量及重量比的聚酰亚胺/SiO2-TiO2杂化薄膜,利用红外光谱、扫描电镜和XRD观察了薄膜的化学结构和微观结构,并测试了薄膜的热稳定性。

A series of polyimide/SiO2-TiO2 hybrid films with different contents and weight ratio of inorganic particle were fabricated using tetraethoxyl silicane and tetrabutyl titanate as precursor by situ method .

以正硅酸乙酯和钛酸四丁酯为前驱体,采用两相原位同步法制备一系列不同含量及重量比的聚酰亚胺/SiO2-TiO2杂化薄膜,利用红外光谱、扫描电镜和XRD观察了薄膜的化学结构和微观结构,并测试了薄膜的热稳定性。

From the fields of regional crust-mantle structure, metallogentic settings, history of tectonic-magmatic activity, distribution of high antimony anomaly, characteristics of deposit, origin of ore-forming materials (including Sb, C, Si, S, solution and associated elements), black dikes, the relation of deposit and mantle metasomatism fluid is expounded by means of geology and geophysics. Xikuangshan antimony deposit is proved to be a typical vein deposit formed by mantle metasomatism fluid. On the basis of this knowledge, the prospecting criteria of blind orebody of the deposit are given as follows: extensive structuer which indicating the activities of mantle metasomatism fluid, change of host rocks (especially exsisting shale barrier bed), silication and carbonization alteration.

文中对地幔交代流体组成、性质、活动特点及其成岩、成矿作用作了综述与探讨;从锡矿山区域壳幔结构和成矿背景、地质构造-岩浆活动史、高锑地球化学场结构分析、矿床特征、成矿物质(包括Sb、C、Si、S、流体及伴生元素)、与成矿有时空联系的暗色脉岩等方面入手,利用地质、地球物理、地球化学手段多方面论述了矿床与地幔交代流体活动的关系,论证了锡矿山超大型锑矿的地幔交代流体成因,并以此为基础提出盲矿体地质找矿标志:即指示地幔交代流体活动的构造,尤其是具有成矿元素和碱质异常、热液蚀变的断裂构造;有利的岩石物理化学性质;硅化、碳酸盐化围岩蚀变等。

The UMG polysilicon can be produced by heating the purified (NH4)2SiF6 above 500℃ in H2/Ar atmosphere. FTIR and XRD results show that amorphous polysilicon granules can be prepared after heat-treatment of (NH4)2SiF6 in a reducing atmosphere. The reduction of silicofluoride salts is a viable method for the production of UMG-Si.

将纯度较高的氟化矽铵盐在氢氩气氛中加热到500℃以上,可制造出冶金级的多晶矽,由XRD、SEM、FTIR与热分析之实验结果显示,在还原气氛中经热处理后所得之粉体为多晶矽,此种方法可以作为制造冶金矽的新方法,进而制备出太阳能产业级的多晶矽。

XRD measurements indicated that the product powders are mainly the skutterudite with the cell parameter α=7. 768-7. 803〓. From the ED patterns of the whiskers and nanowires, we can find that the whiskers and nanowires are single crystals.

采用自行设计的水热-还原-合金化的方法以白磷、氢氧化钠和三氯化铁为原料分别在200-240℃和160-180℃制备了直径为0.5-4μm长径比为10-20的Na〓Fe〓P〓晶须材料和直径是20-80nm长度是500-4000nm的NaFe〓P〓纳米棒。

Soluble immobilized papain can fully solubilize above the pH 5.5.The optimum pH range of papain was narrow,and its optimum temperature and Km value were all

可溶性固定化木瓜蛋白酶能够在pH5.5以上的溶液中完全溶解,最适作用pH值范围变窄,最适作用温度和Km值升高;热稳定性和酸碱稳定性均明显增强。

Soluble immobilized papain can fully solubilize above the pH 5.5.The optimum pH range of papain was narrow,and its optimum temperature and Km value were all higher than before.Its thermodynamtic stability and the acid-base stability were also strengthened.

可溶性固定化木瓜蛋白酶能够在pH5.5以上的溶液中完全溶解,最适作用pH值范围变窄,最适作用温度和Km值升高;热稳定性和酸碱稳定性均明显增强。

The supercritical fluid extraction of carbon dioxide owns lower extraction temperature and high diffuse coefficient. So, the technology is able to extract the thermal instable materials. In this study, we extract the polyphenols from damage starfruit by the supercritical carbon dioxide fluid and confer the extraction outcome. To seek the optimum operation conditions was the main purpose and provided the technology to starfruit processing industries.

超临界二氧化碳萃取技术具有低萃取温度,高扩散能力之特性,可将天然中热不稳定性物质萃出,并保留活性成分,所以本研究拟对受伤杨桃以超临界二氧化碳流体萃取技术进行杨桃多酚的萃取,并探讨杨桃多酚的萃取率,以提供杨桃汁制造业者回收杨桃之最佳化方法,并提高杨桃的附加价值。

Microstructures and mechanical properties of AZ91 magnesium alloy after homogenized, hot extrusion and succedent aging are investigated.

通过对均匀化退火后的AZ91镁合金热挤压以及随后的时效处理,分析了形变及时效过程对材料组织与性能的影响。

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推荐网络例句

The objective is to subjugate and discourage the people, because that allows the elite to continue to rule unopposed.

其目的是压制和打击人民的积极性,因为这可以让实权派继续统治不会沦为反对派。

GOD,this is the second time you vanquished me!

天啊,这是第二次你打败了我!

So a kind of strong antagonism permeated in the relations of two countries.

所以两国这一时期的政治关系始终弥漫着一种强烈的对抗情绪。