雪 阳 - Academia.edu (original) (raw)
Papers by 雪 阳
Chinese Journal of Catalysis, Mar 23, 2015
Chinese Journal of Optometry & Ophthalmology, Dec 25, 2014
病例 1,女,35岁.因出生后即发现左眼角膜发白来诊.眼部检查:右眼视力0.5,左眼光感.右眼结膜未见充血,角膜透明,前房未见异常,晶状体轻度混浊,眼底正常;左眼结膜未见充血,角膜中央白斑,前房... more 病例 1,女,35岁.因出生后即发现左眼角膜发白来诊.眼部检查:右眼视力0.5,左眼光感.右眼结膜未见充血,角膜透明,前房未见异常,晶状体轻度混浊,眼底正常;左眼结膜未见充血,角膜中央白斑,前房浅,晶状体及眼底无法窥入(见图1).UBM影像:右眼部分象限虹膜角膜粘连,瞳孔缘虹膜晶状体粘连,晶状体皱缩变形,回声增强,左眼角膜中央部增厚,回声增强,虹膜角膜粘连(见图2).临床诊断:右眼白内障,左眼Peters异常Ⅰ型。
Chinese Journal of Catalysis, Jun 30, 2014
Chinese Journal of Catalysis, Mar 23, 2015
The invention discloses a method for making pile foundation construction follow long steel pile c... more The invention discloses a method for making pile foundation construction follow long steel pile casing construction in a karst area. The method comprises the following steps of: drawing a pattern of a steel pipe bracket for supporting a steel pile casing by using graphics software; welding section steel and a steel pipe according to drawing paper to form a bracket for supporting the steel pile casing; during field application, treating a bracket foundation; putting the bracket at an orifice; making the steel pile casing follow segmentally by using a chain fall; and in the falling process of the steel pile casing, checking whether the verticality and the like are consistent with the specification and design requirements. The method has the characteristics of rapidness and safety when applied to pile foundation construction in the karst area; and moreover, the steel pipe bracket used during construction can be used repeatedly, the construction process is shortened, and the constructio...
The utility model relates to a positioning mould for an annular foundation bolt of a contact netw... more The utility model relates to a positioning mould for an annular foundation bolt of a contact network foundation of a railroad bed. The positioning mould is characterized in that an upper mould plate is arranged, wherein bolt holes are arranged in the upper mould plate according to the relative positions of all embedded bolts; a lower mould plate is arranged according to a structure form identical to the structure form of the upper mould plate; the upper mould plate and the lower mould plate are arranged in parallel and at an interval so as to form a clamping plate form; a pair of bolt holes in the same position between the upper mould plate and the lower mould plate is in one-to-one correspondence; the central lines of the pair of one-to-one corresponding bolt holes are on a same vertical line which is vertical to the plane of the upper mould plate; embedded bolts in corresponding positions are fixedly arranged in the pair of one-to-one corresponding bolt holes; nuts are fixedly arr...
自2016年1月1日起，我国实施全面二胎政策。全面二胎政策的放开，将会直接影响我国人口数量的增加，导致我国未来家庭人口结构的变化。家庭人口作为购房者买房考虑的首要因素，影响着未来房地产的需求。从... more 自2016年1月1日起，我国实施全面二胎政策。全面二胎政策的放开，将会直接影响我国人口数量的增加，导致我国未来家庭人口结构的变化。家庭人口作为购房者买房考虑的首要因素，影响着未来房地产的需求。从这一点出发，叙述了二胎政策的颁布背景及重大意义，通过目前中国房地产市场的现状，详细阐述二胎政策对房地产需求的影响。同时预测该项政策实施中可能出现的问题，并提出相应的改善措施，以期达到购房者、房地产开发商、国家三者利益平衡的目的。
Chinese Journal of Optometry & Ophthalmology, 2014
病例 1,女,35岁.因出生后即发现左眼角膜发白来诊.眼部检查:右眼视力0.5,左眼光感.右眼结膜未见充血,角膜透明,前房未见异常,晶状体轻度混浊,眼底正常;左眼结膜未见充血,角膜中央白斑,前房... more 病例 1,女,35岁.因出生后即发现左眼角膜发白来诊.眼部检查:右眼视力0.5,左眼光感.右眼结膜未见充血,角膜透明,前房未见异常,晶状体轻度混浊,眼底正常;左眼结膜未见充血,角膜中央白斑,前房浅,晶状体及眼底无法窥入(见图1).UBM影像:右眼部分象限虹膜角膜粘连,瞳孔缘虹膜晶状体粘连,晶状体皱缩变形,回声增强,左眼角膜中央部增厚,回声增强,虹膜角膜粘连(见图2).临床诊断:右眼白内障,左眼Peters异常Ⅰ型。
龙年春节,从除夕到正月初二,窗外鞭炮声声,热闹非凡。李建军先生却猫在书房里,一笔一画地创作他的篆书长卷《出师表》……这既是他痴迷书法艺术的真实写照,也是他篆书艺术日臻成熟的最好解读。
Chinese Journal of Catalysis, Apr 1, 2015
A Pd/CZ(NO) catalyst prepared with Pd(NO3)2 as the metal precursor exhibited the best catalytic p... more A Pd/CZ(NO) catalyst prepared with Pd(NO3)2 as the metal precursor exhibited the best catalytic performance for HC and CO elimination because of a higher oxygen storage capacity, abundant small Pdn clusters and a strong Pd-support interaction that facilitated electron transfer from PdOx particles to the CZ support. A Pd/CZ(NH) catalyst prepared with Pd(NH3)4(NO3)2 as the metal precursor exhibited good performance for NO and NO2 elimination due to a higher Pd dispersion, abundant bigger Pdn clusters and oxidized/metallic Pd coexistence. A Pd/CZ(Cl) catalyst prepared with H2PdCl4 as the metal precursor exhibited low catalytic activity due to a low Pd dispersion, weak Pd-support interaction, and the trace amount of CeOCl which inhibited oxygen vacancy creation. However, it showed good thermal stability, and benefited when an aging treatment removed the residual chlorine species and also promoted the interaction between PdOx and the support.
Chinese Journal of Catalysis, 2014
A series of La-Al2O3 supported Pd-Ce close-coupled catalysts were synthesized by a co-adsorption ... more A series of La-Al2O3 supported Pd-Ce close-coupled catalysts were synthesized by a co-adsorption impregnation method and subsequently investigated. In the case of fresh catalysts, the presence of an optimal concentration of ceria obviously promoted the catalytic activity during HC and NOx eliminations, owing to the interaction between the palladium oxide species (PdOx) and CeO2 that improves the oxidation of Pd 0 to PdO and enhances the adsorption of nitrite/nitrates and isocyanate intermediate species on the support under reaction conditions. Pd-Ce(2.0)/La-Al2O3 catalyst (where 2.0 is the wt% of CeO2) exhibited the highest catalytic activity for HC and NO eliminations. Following aging at 1100 °C, the operational window for HC and NOx conversions was broadened and the thermal stability of the catalysts was also improved as a result of the presence of an appropriate quantity of ceria (2.0-4.0 wt%). The enhanced interactions between PdOx and CeO2 evidently led to the formation of a Pd-O-Ce system, stabilizing PdOx species with smaller particle sizes at high temperatures. This result is significant since it suggests a means of improving the catalytic performance of Pd-only close-coupled catalysts during automobile exhaust elimination.
以联邦德国巴伐利亚州前州长汉斯·赛德尔博士命名的汉斯·赛德尔基金会成立于1967年,其主要目的在于"促进在基督教基础上对各国人民进行民主教育和国家公民教育",发展援助,普及教... more 以联邦德国巴伐利亚州前州长汉斯·赛德尔博士命名的汉斯·赛德尔基金会成立于1967年,其主要目的在于"促进在基督教基础上对各国人民进行民主教育和国家公民教育",发展援助,普及教育和职业教育,促进科学、文化事业的发展。进入八十年代以来,该基金会一直积极致力于与中国的合作,合作的重点放在教育培训领域,特别是职业培训领域。最近,笔者有机会在慕尼黑市汉斯·赛德尔基金会总部,访问了该基金会中国部主任于尔根·维尔克先生。维尔克先生说,汉斯·赛德尔基金会是一个对外开放的基金会。10多年来同中国进行了持续不断的合作。中国部是基金会的一个重要的部门,主要担当基金会与中国合作项目的具体设计与实施。
Chinese Journal of Catalysis, Mar 23, 2015
Chinese Journal of Optometry & Ophthalmology, Dec 25, 2014
病例 1,女,35岁.因出生后即发现左眼角膜发白来诊.眼部检查:右眼视力0.5,左眼光感.右眼结膜未见充血,角膜透明,前房未见异常,晶状体轻度混浊,眼底正常;左眼结膜未见充血,角膜中央白斑,前房... more 病例 1,女,35岁.因出生后即发现左眼角膜发白来诊.眼部检查:右眼视力0.5,左眼光感.右眼结膜未见充血,角膜透明,前房未见异常,晶状体轻度混浊,眼底正常;左眼结膜未见充血,角膜中央白斑,前房浅,晶状体及眼底无法窥入(见图1).UBM影像:右眼部分象限虹膜角膜粘连,瞳孔缘虹膜晶状体粘连,晶状体皱缩变形,回声增强,左眼角膜中央部增厚,回声增强,虹膜角膜粘连(见图2).临床诊断:右眼白内障,左眼Peters异常Ⅰ型。
Chinese Journal of Catalysis, Jun 30, 2014
Chinese Journal of Catalysis, Mar 23, 2015
The invention discloses a method for making pile foundation construction follow long steel pile c... more The invention discloses a method for making pile foundation construction follow long steel pile casing construction in a karst area. The method comprises the following steps of: drawing a pattern of a steel pipe bracket for supporting a steel pile casing by using graphics software; welding section steel and a steel pipe according to drawing paper to form a bracket for supporting the steel pile casing; during field application, treating a bracket foundation; putting the bracket at an orifice; making the steel pile casing follow segmentally by using a chain fall; and in the falling process of the steel pile casing, checking whether the verticality and the like are consistent with the specification and design requirements. The method has the characteristics of rapidness and safety when applied to pile foundation construction in the karst area; and moreover, the steel pipe bracket used during construction can be used repeatedly, the construction process is shortened, and the constructio...
The utility model relates to a positioning mould for an annular foundation bolt of a contact netw... more The utility model relates to a positioning mould for an annular foundation bolt of a contact network foundation of a railroad bed. The positioning mould is characterized in that an upper mould plate is arranged, wherein bolt holes are arranged in the upper mould plate according to the relative positions of all embedded bolts; a lower mould plate is arranged according to a structure form identical to the structure form of the upper mould plate; the upper mould plate and the lower mould plate are arranged in parallel and at an interval so as to form a clamping plate form; a pair of bolt holes in the same position between the upper mould plate and the lower mould plate is in one-to-one correspondence; the central lines of the pair of one-to-one corresponding bolt holes are on a same vertical line which is vertical to the plane of the upper mould plate; embedded bolts in corresponding positions are fixedly arranged in the pair of one-to-one corresponding bolt holes; nuts are fixedly arr...
自2016年1月1日起，我国实施全面二胎政策。全面二胎政策的放开，将会直接影响我国人口数量的增加，导致我国未来家庭人口结构的变化。家庭人口作为购房者买房考虑的首要因素，影响着未来房地产的需求。从... more 自2016年1月1日起，我国实施全面二胎政策。全面二胎政策的放开，将会直接影响我国人口数量的增加，导致我国未来家庭人口结构的变化。家庭人口作为购房者买房考虑的首要因素，影响着未来房地产的需求。从这一点出发，叙述了二胎政策的颁布背景及重大意义，通过目前中国房地产市场的现状，详细阐述二胎政策对房地产需求的影响。同时预测该项政策实施中可能出现的问题，并提出相应的改善措施，以期达到购房者、房地产开发商、国家三者利益平衡的目的。
Chinese Journal of Optometry & Ophthalmology, 2014
病例 1,女,35岁.因出生后即发现左眼角膜发白来诊.眼部检查:右眼视力0.5,左眼光感.右眼结膜未见充血,角膜透明,前房未见异常,晶状体轻度混浊,眼底正常;左眼结膜未见充血,角膜中央白斑,前房... more 病例 1,女,35岁.因出生后即发现左眼角膜发白来诊.眼部检查:右眼视力0.5,左眼光感.右眼结膜未见充血,角膜透明,前房未见异常,晶状体轻度混浊,眼底正常;左眼结膜未见充血,角膜中央白斑,前房浅,晶状体及眼底无法窥入(见图1).UBM影像:右眼部分象限虹膜角膜粘连,瞳孔缘虹膜晶状体粘连,晶状体皱缩变形,回声增强,左眼角膜中央部增厚,回声增强,虹膜角膜粘连(见图2).临床诊断:右眼白内障,左眼Peters异常Ⅰ型。
龙年春节,从除夕到正月初二,窗外鞭炮声声,热闹非凡。李建军先生却猫在书房里,一笔一画地创作他的篆书长卷《出师表》……这既是他痴迷书法艺术的真实写照,也是他篆书艺术日臻成熟的最好解读。
Chinese Journal of Catalysis, Apr 1, 2015
A Pd/CZ(NO) catalyst prepared with Pd(NO3)2 as the metal precursor exhibited the best catalytic p... more A Pd/CZ(NO) catalyst prepared with Pd(NO3)2 as the metal precursor exhibited the best catalytic performance for HC and CO elimination because of a higher oxygen storage capacity, abundant small Pdn clusters and a strong Pd-support interaction that facilitated electron transfer from PdOx particles to the CZ support. A Pd/CZ(NH) catalyst prepared with Pd(NH3)4(NO3)2 as the metal precursor exhibited good performance for NO and NO2 elimination due to a higher Pd dispersion, abundant bigger Pdn clusters and oxidized/metallic Pd coexistence. A Pd/CZ(Cl) catalyst prepared with H2PdCl4 as the metal precursor exhibited low catalytic activity due to a low Pd dispersion, weak Pd-support interaction, and the trace amount of CeOCl which inhibited oxygen vacancy creation. However, it showed good thermal stability, and benefited when an aging treatment removed the residual chlorine species and also promoted the interaction between PdOx and the support.
Chinese Journal of Catalysis, 2014
A series of La-Al2O3 supported Pd-Ce close-coupled catalysts were synthesized by a co-adsorption ... more A series of La-Al2O3 supported Pd-Ce close-coupled catalysts were synthesized by a co-adsorption impregnation method and subsequently investigated. In the case of fresh catalysts, the presence of an optimal concentration of ceria obviously promoted the catalytic activity during HC and NOx eliminations, owing to the interaction between the palladium oxide species (PdOx) and CeO2 that improves the oxidation of Pd 0 to PdO and enhances the adsorption of nitrite/nitrates and isocyanate intermediate species on the support under reaction conditions. Pd-Ce(2.0)/La-Al2O3 catalyst (where 2.0 is the wt% of CeO2) exhibited the highest catalytic activity for HC and NO eliminations. Following aging at 1100 °C, the operational window for HC and NOx conversions was broadened and the thermal stability of the catalysts was also improved as a result of the presence of an appropriate quantity of ceria (2.0-4.0 wt%). The enhanced interactions between PdOx and CeO2 evidently led to the formation of a Pd-O-Ce system, stabilizing PdOx species with smaller particle sizes at high temperatures. This result is significant since it suggests a means of improving the catalytic performance of Pd-only close-coupled catalysts during automobile exhaust elimination.
以联邦德国巴伐利亚州前州长汉斯·赛德尔博士命名的汉斯·赛德尔基金会成立于1967年,其主要目的在于"促进在基督教基础上对各国人民进行民主教育和国家公民教育",发展援助,普及教... more 以联邦德国巴伐利亚州前州长汉斯·赛德尔博士命名的汉斯·赛德尔基金会成立于1967年,其主要目的在于"促进在基督教基础上对各国人民进行民主教育和国家公民教育",发展援助,普及教育和职业教育,促进科学、文化事业的发展。进入八十年代以来,该基金会一直积极致力于与中国的合作,合作的重点放在教育培训领域,特别是职业培训领域。最近,笔者有机会在慕尼黑市汉斯·赛德尔基金会总部,访问了该基金会中国部主任于尔根·维尔克先生。维尔克先生说,汉斯·赛德尔基金会是一个对外开放的基金会。10多年来同中国进行了持续不断的合作。中国部是基金会的一个重要的部门,主要担当基金会与中国合作项目的具体设计与实施。