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反击破碎机PT-H-1007 矿石破磨知识
反击破碎机pt-h-1007. 反击破碎机，反击式破碎机使用范围能处理边长不超过抗压强度不超过的各种粗中细物料花岗岩石灰石混凝土等，广泛用于水电高速公路人工砂石料破碎等行 反击破碎机PT-H-1007 矿石破磨知识反击破碎机pt-h-1007. 反击破碎机，反击式破碎机使用范围能处理边长不超过抗压强度不超过的各种粗中细物料花岗岩石灰石混凝土等，广泛用于水电高速公路人工砂石料破碎等行
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丁博重工 PF-1007 反击式破碎机 中国路面机械网
丁博重工 PF-1007 反击式破碎机性能特点 高效节能 耐磨抗压 该机破碎比大，破碎效率高，转子具有大的转动惯量，能耗低；采用高铬板锤，抗冲击、抗磨损， 丁博重工 PF-1007 反击式破碎机 中国路面机械网丁博重工 PF-1007 反击式破碎机性能特点 高效节能 耐磨抗压 该机破碎比大，破碎效率高，转子具有大的转动惯量，能耗低；采用高铬板锤，抗冲击、抗磨损，
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PF-1007型反击式破碎机（反击破） 粉体网
PF-1007型反击式破碎机（反击破） 核心参数. 结构独特、无键连接、高铬板锤、独特的反击衬板；硬岩破碎、高效节能；产品形状呈立方体，排料粒度大小可调，简化破碎流程。. PF-1007型反击式破碎机（反击破） 粉体网PF-1007型反击式破碎机（反击破） 核心参数. 结构独特、无键连接、高铬板锤、独特的反击衬板；硬岩破碎、高效节能；产品形状呈立方体，排料粒度大小可调，简化破碎流程。.
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pf1007反击式破碎机-pf1007反击破-价格-参数-重量_中誉
产量：30-70t/h. 功率：37-45kw. 介绍：pf1007反击式破碎机指转子直径1000mm，长度700mm的反击破，又叫pf1007反击破，进料口宽和长为400和730mm，允许进料粒度 pf1007反击式破碎机-pf1007反击破-价格-参数-重量_中誉产量：30-70t/h. 功率：37-45kw. 介绍：pf1007反击式破碎机指转子直径1000mm，长度700mm的反击破，又叫pf1007反击破，进料口宽和长为400和730mm，允许进料粒度
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反击破碎机-反击破碎石机型号与价格-
反击破碎机. 板锤金属利用率高. 破碎能力强. 转子结实、维修方便. 进料粒度：≤800mm. 处理能力：30-800t/h. 适用物料：适用于中等硬度、软料，石灰石、煤矸石、风化岩、白云 反击破碎机-反击破碎石机型号与价格-反击破碎机. 板锤金属利用率高. 破碎能力强. 转子结实、维修方便. 进料粒度：≤800mm. 处理能力：30-800t/h. 适用物料：适用于中等硬度、软料，石灰石、煤矸石、风化岩、白云
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反击破-PF系列反击式破碎机-上海山友重工产品介绍
45-550t/h 适用物料： 适合各种软、中硬矿石，如：花岗岩、石灰石、混凝土等。 应用领域： 主要应用于矿山、水泥、高速公路建设、建筑碎石加工等领域。 反击破-PF系列反击式破碎机-上海山友重工产品介绍45-550t/h 适用物料： 适合各种软、中硬矿石，如：花岗岩、石灰石、混凝土等。 应用领域： 主要应用于矿山、水泥、高速公路建设、建筑碎石加工等领域。
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PF反击式破碎机_上海恒源冶金设备有限公司
PF反击式破碎机：. PF系列反击式破碎机是上海恒源研发部结合自身优势开发的产品。. 本产品能破碎进料粒度不超过500mm、抗压强度不超过350MPa的各种粗、中、细物料 (花岗 PF反击式破碎机_上海恒源冶金设备有限公司PF反击式破碎机：. PF系列反击式破碎机是上海恒源研发部结合自身优势开发的产品。. 本产品能破碎进料粒度不超过500mm、抗压强度不超过350MPa的各种粗、中、细物料 (花岗
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In-situ reconstruction of single-atom Pt on Co3O4 for
Actual chemical states of single-atom metal on reducible supports remain a fiercely debated topic under reactive environments. Herein, we demonstrate that the single-atom Pt on Co3O4 surface undergoes an in-situ reconstruction to form isolated Pt-Co bimetallic sites via reducing coordination number of Pt—O in the presence of hydrogen In-situ reconstruction of single-atom Pt on Co3O4 for Actual chemical states of single-atom metal on reducible supports remain a fiercely debated topic under reactive environments. Herein, we demonstrate that the single-atom Pt on Co3O4 surface undergoes an in-situ reconstruction to form isolated Pt-Co bimetallic sites via reducing coordination number of Pt—O in the presence of hydrogen
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PAT甲级1007（大神代码解析）_pat1007柳诺-CSDN博客
题目链接：pat【甲级】1007 题目简述：给一串数字，数字可正可负可为零。要求去求得连续子序列的最大值，并输出该最大值对应序列的起始数字和结尾数字。特殊情况：如果有多个最大值序列，则输出起始下标和终止下标都最小的；如果给定数字串均为负数，则输出最大值0，并输出数字串起始数字 PAT甲级1007（大神代码解析）_pat1007柳诺-CSDN博客题目链接：pat【甲级】1007 题目简述：给一串数字，数字可正可负可为零。要求去求得连续子序列的最大值，并输出该最大值对应序列的起始数字和结尾数字。特殊情况：如果有多个最大值序列，则输出起始下标和终止下标都最小的；如果给定数字串均为负数，则输出最大值0，并输出数字串起始数字
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coal crushing machine manufacturers
Ceramic Grinding Machine SGP Crusher Equipment Cost Gravel Hammer Crusher Hammer Mill Crusher Hammer Stone Crusher coal crushing machine manufacturersCeramic Grinding Machine SGP Crusher Equipment Cost Gravel Hammer Crusher Hammer Mill Crusher Hammer Stone Crusher
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The Pt/h-BN/BiOBr composite towards photocatalytic degradation
The functional groups of samples were recorded by FT-IR. As shown in Fig. 2, the absorption bands at 1380 and 810 cm −1 for h-BN were ascribed to the stretching vibration of B–N bond and plane bending vibration of B–N–B, respectively. The band at 517 cm −1 in the sample of BiOBr, h-BN/BiOBr, Pt/BiOBr, and Pt/h-BN/BiOBr was assigned The Pt/h-BN/BiOBr composite towards photocatalytic degradation The functional groups of samples were recorded by FT-IR. As shown in Fig. 2, the absorption bands at 1380 and 810 cm −1 for h-BN were ascribed to the stretching vibration of B–N bond and plane bending vibration of B–N–B, respectively. The band at 517 cm −1 in the sample of BiOBr, h-BN/BiOBr, Pt/BiOBr, and Pt/h-BN/BiOBr was assigned
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Comparison of n-Dodecane Hydroisomerization Performance Over Pt
ZSM-48 and ZSM-22 zeolites with similar Si/Al ratio were synthesized and modified by alkali treatment. Moreover, n-dodecane hydroisomerization performance of Pt supported ZSM-22 and ZSM-48 were investigated. The catalytic results showed that the activity and the isomers selectivity of n-dodecane hydroisomerization could be improved Comparison of n-Dodecane Hydroisomerization Performance Over PtZSM-48 and ZSM-22 zeolites with similar Si/Al ratio were synthesized and modified by alkali treatment. Moreover, n-dodecane hydroisomerization performance of Pt supported ZSM-22 and ZSM-48 were investigated. The catalytic results showed that the activity and the isomers selectivity of n-dodecane hydroisomerization could be improved
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Improved Plasmonic Hot-Electron Capture in Au Nanoparticle
Moreover, the photocatalytic H 2 evolution activity is further elevated for Au x /PCN with the regulation of Au NPs size and Au-PCN interface, and the highest H 2 evolution rate reaches up to 10.01 mmol g −1 h −1 after optimizing the Au loading amount, approximately 7.4 and 17.5 times higher than that of Au 2.5-PCN and Pt-PCN. Improved Plasmonic Hot-Electron Capture in Au NanoparticleMoreover, the photocatalytic H 2 evolution activity is further elevated for Au x /PCN with the regulation of Au NPs size and Au-PCN interface, and the highest H 2 evolution rate reaches up to 10.01 mmol g −1 h −1 after optimizing the Au loading amount, approximately 7.4 and 17.5 times higher than that of Au 2.5-PCN and Pt-PCN.
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Catalytic Performance of Oligonucleotide-Templated Pt
3.1 Physicochemical Properties of Pt NPs Synthesized by Different Oligonucleotides. Four oligonucleotides including A 10, T 10, C 10, G 10 respectively, were employed as stabilizing agents for the synthesis of Pt NPs. The particle size of Pt NPs stabilized by different templates was analyzed through TEM images. As shown in Fig. 1, Catalytic Performance of Oligonucleotide-Templated Pt 3.1 Physicochemical Properties of Pt NPs Synthesized by Different Oligonucleotides. Four oligonucleotides including A 10, T 10, C 10, G 10 respectively, were employed as stabilizing agents for the synthesis of Pt NPs. The particle size of Pt NPs stabilized by different templates was analyzed through TEM images. As shown in Fig. 1,
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A case report of PTH elevation due to immunoassay interference
A 66-year-old man was referred to our Endocrine Service because of repeatedly high PTH levels (> 400 pg/mL). PTH was measured with the Access ® Intact PTH on the UniCel ® DxI 800 (Beckman Coulter), which is a 2° generation chemiluminescent microparticle sandwich immunoassay that we use for diagnostic purposes as well as for A case report of PTH elevation due to immunoassay interferenceA 66-year-old man was referred to our Endocrine Service because of repeatedly high PTH levels (> 400 pg/mL). PTH was measured with the Access ® Intact PTH on the UniCel ® DxI 800 (Beckman Coulter), which is a 2° generation chemiluminescent microparticle sandwich immunoassay that we use for diagnostic purposes as well as for
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A low temperature catalytic-type combustible gas sensor based on Pt
In this study, a catalytic-type combustible gas sensor was fabricated by the screen-printing method. Pt supported catalysts (Pt-HZSM5) were prepared by a wet impregnation method using HZSM5 zeolite as support. It was found that Pt-HZSM5 catalysts have a highly catalytic activity to H2 and CO at low temperatures and a selectively and A low temperature catalytic-type combustible gas sensor based on PtIn this study, a catalytic-type combustible gas sensor was fabricated by the screen-printing method. Pt supported catalysts (Pt-HZSM5) were prepared by a wet impregnation method using HZSM5 zeolite as support. It was found that Pt-HZSM5 catalysts have a highly catalytic activity to H2 and CO at low temperatures and a selectively and
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Zeolite-encaged Ultrasmall Pt-Zn Species with Trace Amount of Pt
introducing both [Pt(H2NCH2CH2NH2)2]Cl2 and [Zn(H2NCH2CH2NH2)3](OAc)2 into the initial synthesis gel. 2.2.4 Synthesis of Zn2%@S-1 Sample The synthesis procedure of the Zn 2%@S-1 sample was similar to that of the PtxZn2%@S-1 sample except that the [Pt(H2NCH2CH2NH2)2]Cl2 solution was not Zeolite-encaged Ultrasmall Pt-Zn Species with Trace Amount of Pt introducing both [Pt(H2NCH2CH2NH2)2]Cl2 and [Zn(H2NCH2CH2NH2)3](OAc)2 into the initial synthesis gel. 2.2.4 Synthesis of Zn2%@S-1 Sample The synthesis procedure of the Zn 2%@S-1 sample was similar to that of the PtxZn2%@S-1 sample except that the [Pt(H2NCH2CH2NH2)2]Cl2 solution was not
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In psoriatic arthritis Dkk-1 and PTH are lower than in Springer
Psoriatic Arthritis (PsA) is characterized by bone erosive damage often associated with exuberant bone formation especially in enthesial sites. Dkk-1 and sclerostin are the main inhibitors of the WNT/β-catenin signaling pathway and play a key role in the regulation of both bone formation and resorption. We performed this study in order to In psoriatic arthritis Dkk-1 and PTH are lower than in SpringerPsoriatic Arthritis (PsA) is characterized by bone erosive damage often associated with exuberant bone formation especially in enthesial sites. Dkk-1 and sclerostin are the main inhibitors of the WNT/β-catenin signaling pathway and play a key role in the regulation of both bone formation and resorption. We performed this study in order to
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Trans ligand effects on 195 Pt NMR shielding constants of
The trans ligand effects on the isotropic σiso 195Pt NMR shielding constants, described by the unified term of trans-philicity, for a broad series of square planar trans-Pt(PMe3)2(X)L (X = H, CO, CH3, NH2, OH2, Cl) complexes, were investigated by DFT computational protocols at the 2-component spin–orbit zero-order approximation (2c-SO Trans ligand effects on 195 Pt NMR shielding constants of The trans ligand effects on the isotropic σiso 195Pt NMR shielding constants, described by the unified term of trans-philicity, for a broad series of square planar trans-Pt(PMe3)2(X)L (X = H, CO, CH3, NH2, OH2, Cl) complexes, were investigated by DFT computational protocols at the 2-component spin–orbit zero-order approximation (2c-SO
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黄维院士/韩云虎/王子运JACS：Pt-Er/h-NC实现超稳定酸性
研究发现，Er可以使Pt位点具有接近0 eV的*H吸附能，比相同构型的纯Pt催化剂提供更高的电流密度。其中，Pt-ErNC-ErSAC的催化电流密度最高，ΔG*H为-0.13 eV，其次是Pt-Er(111)，ΔG*H为-0.17 eV，表明Er掺杂在提高HER催化活性方面具有优势。 黄维院士/韩云虎/王子运JACS：Pt-Er/h-NC实现超稳定酸性研究发现，Er可以使Pt位点具有接近0 eV的*H吸附能，比相同构型的纯Pt催化剂提供更高的电流密度。其中，Pt-ErNC-ErSAC的催化电流密度最高，ΔG*H为-0.13 eV，其次是Pt-Er(111)，ΔG*H为-0.17 eV，表明Er掺杂在提高HER催化活性方面具有优势。
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HP LaserJet P1007 打印机 HP® 支持 HP Customer Support
Up to 5000 pages Duty cycle is defined as the maximum number of pages per month of imaged output. This value provides a comparison of product robustness in relation to other HP LaserJet or HP Color LaserJet devices, and enables appropriate deployment of printers and MFPs to satisfy the demands of connected individuals or groups. HP LaserJet P1007 打印机 HP® 支持 HP Customer SupportUp to 5000 pages Duty cycle is defined as the maximum number of pages per month of imaged output. This value provides a comparison of product robustness in relation to other HP LaserJet or HP Color LaserJet devices, and enables appropriate deployment of printers and MFPs to satisfy the demands of connected individuals or groups.
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中科大路军岭团队Nano Research：探究单原子Pt在二氧化
为了理解Pt-O-Ce键界面相互作用，采用原位漫反射红外傅里叶变换光谱（DRIFTS），对Pt1单原子在还原H环境中的稳定性进行了广泛的研究。 研究表明，CeO2 缺陷位置、金属负载量和高温煅烧 是调整Pt1单原子在H环境 稳定性 的有效途径。 中科大路军岭团队Nano Research：探究单原子Pt在二氧化为了理解Pt-O-Ce键界面相互作用，采用原位漫反射红外傅里叶变换光谱（DRIFTS），对Pt1单原子在还原H环境中的稳定性进行了广泛的研究。 研究表明，CeO2 缺陷位置、金属负载量和高温煅烧 是调整Pt1单原子在H环境 稳定性 的有效途径。
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Springer Monoclonal/polyclonal PAX-8, PTH and GATA3
Background Parathyroid gland (PG) is an endocrine organ which may display different immunohistochemical stainings with chief cells and oxyphilic cells in normal as well as hyperplasic/tumoral lesions. Purpose In this study, we aimed to identify the demographic properties and diagnostic value of the GATA3 antibody, which is a Springer Monoclonal/polyclonal PAX-8, PTH and GATA3Background Parathyroid gland (PG) is an endocrine organ which may display different immunohistochemical stainings with chief cells and oxyphilic cells in normal as well as hyperplasic/tumoral lesions. Purpose In this study, we aimed to identify the demographic properties and diagnostic value of the GATA3 antibody, which is a
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Stabilized hydrogenolysis of glycerol to 1,3-propanediol over Mg
Stable hydrogenolysis of glycerol to value-added 1,3-propanediol (1,3-PDO) over WO x-containing catalyst is a serious challenge in aqueous solution.Because the tungsten oxide can interact with the H + to form H 2 WO 4 and dissolve to deactivate for catalyst under hydrothermal condition. Therefore, we prepared stable Pt/WO x –ZrO 2 Stabilized hydrogenolysis of glycerol to 1,3-propanediol over MgStable hydrogenolysis of glycerol to value-added 1,3-propanediol (1,3-PDO) over WO x-containing catalyst is a serious challenge in aqueous solution.Because the tungsten oxide can interact with the H + to form H 2 WO 4 and dissolve to deactivate for catalyst under hydrothermal condition. Therefore, we prepared stable Pt/WO x –ZrO 2
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Effect of oral cholecalciferol 2,000 versus 5,000 IU on Springer
Summary Treatment of vitamin D deficiency for 3 months with oral cholecalciferol 5,000 IU daily was more effective than 2,000 IU daily in achieving optimal serum 25-hydroxyvitamin D (25OHD) concentrations. Optimal 25OHD serum level calculated to be 63.8 nmol/L. All parameters of muscle strength improved following administration of Effect of oral cholecalciferol 2,000 versus 5,000 IU on SpringerSummary Treatment of vitamin D deficiency for 3 months with oral cholecalciferol 5,000 IU daily was more effective than 2,000 IU daily in achieving optimal serum 25-hydroxyvitamin D (25OHD) concentrations. Optimal 25OHD serum level calculated to be 63.8 nmol/L. All parameters of muscle strength improved following administration of
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Thermal annealing synthesis of double-shell truncated octahedral Pt
Shape-controlled Pt-Ni alloys usually offer an exceptional electrocatalytic activity toward the oxygen reduction reaction (ORR) of polymer electrolyte membrane fuel cells (PEMFCs), whose tricks lie in well-designed structures and surface morphologies. In this paper, a novel synthesis of truncated octahedral PtNi35 alloy catalysts that consist of Thermal annealing synthesis of double-shell truncated octahedral Pt Shape-controlled Pt-Ni alloys usually offer an exceptional electrocatalytic activity toward the oxygen reduction reaction (ORR) of polymer electrolyte membrane fuel cells (PEMFCs), whose tricks lie in well-designed structures and surface morphologies. In this paper, a novel synthesis of truncated octahedral PtNi35 alloy catalysts that consist of
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Facile fabrication of Pt–Ni alloy nanoparticles supported Springer
a TEM image of rGO.b TEM image, c EDX spectrum, and d XRD pattern of Pt–Ni/rGO nanocatalysts synthesized in the typical experiments.e HRTEM, high-angle annular dark-field (HAADF)-STEM-EDX of f line-scanning profiles and g, h mappings of an individual Pt–Ni alloy nanoparticle (PNANP) on rGO. Inset of b and f are the diameter Facile fabrication of Pt–Ni alloy nanoparticles supported Springera TEM image of rGO.b TEM image, c EDX spectrum, and d XRD pattern of Pt–Ni/rGO nanocatalysts synthesized in the typical experiments.e HRTEM, high-angle annular dark-field (HAADF)-STEM-EDX of f line-scanning profiles and g, h mappings of an individual Pt–Ni alloy nanoparticle (PNANP) on rGO. Inset of b and f are the diameter
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Effect of Pt/HZSM-5 dealumination by high temperature
Glycerol oxidation was investigated using as catalyst an acid zeolite (H-ZSM-5) impregnated with different contents of Pt (1 and 3 wt%), and H2O2 and air as oxidants. Catalysts were characterized by XRD, XRF, FT-IR, 27Al MAS NMR, N2 adsorption, NH3-TPD, XPS and TEM. After calcination, catalysts were reduced at 1000 Effect of Pt/HZSM-5 dealumination by high temperatureGlycerol oxidation was investigated using as catalyst an acid zeolite (H-ZSM-5) impregnated with different contents of Pt (1 and 3 wt%), and H2O2 and air as oxidants. Catalysts were characterized by XRD, XRF, FT-IR, 27Al MAS NMR, N2 adsorption, NH3-TPD, XPS and TEM. After calcination, catalysts were reduced at 1000
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Self-powered electrochemical water treatment system for
Electrochemical system with electro-Fenton reaction is an effective pathway for oxidative degradation of refractory organic pollutants for water treatment. However, the method is limited by the low catalytic efficiency and high electrical cost in practical applications. This work presents a self-powered and high-efficient Self-powered electrochemical water treatment system for Electrochemical system with electro-Fenton reaction is an effective pathway for oxidative degradation of refractory organic pollutants for water treatment. However, the method is limited by the low catalytic efficiency and high electrical cost in practical applications. This work presents a self-powered and high-efficient
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Interfacial electronic interaction enabling exposed Pt (110) facets
Herein, a nickel nitride supported platinum (Pt) catalyst with highly exposed Pt(110) facets (Pt(110)-Ni3N) is obtained for catalyzing HER. Combined X-ray spectra and density functional theory studies demonstrate that the interfacial electronic interaction between Pt and Ni3N support can promote the hydrogen evolution on Pt(110) Interfacial electronic interaction enabling exposed Pt (110) facetsHerein, a nickel nitride supported platinum (Pt) catalyst with highly exposed Pt(110) facets (Pt(110)-Ni3N) is obtained for catalyzing HER. Combined X-ray spectra and density functional theory studies demonstrate that the interfacial electronic interaction between Pt and Ni3N support can promote the hydrogen evolution on Pt(110)
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Nanodendrites of platinum-group metals for electrocatalytic
Abstract. Developing highly efficient and durable catalysts for future electrochemical and energy applications is one of the main subjects of current studies in renewable energy generation. In the past several years, researchers have developed Pt-based alloy electrocatalyst nanomaterials that exhibit promising electrocatalytic Nanodendrites of platinum-group metals for electrocatalyticAbstract. Developing highly efficient and durable catalysts for future electrochemical and energy applications is one of the main subjects of current studies in renewable energy generation. In the past several years, researchers have developed Pt-based alloy electrocatalyst nanomaterials that exhibit promising electrocatalytic
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各种对称性在晶格中是怎么体现的？对称性在拓扑
那么布里渊区上的H(k)也可以通过商掉一些等价关系来得到新的有趣的东西，而对称性就表达了这种等价关系（对称性=它们不可分辨=它们都一样=某种意义上的等价关系）。例如 T H(k) T^{-1}=H(-k)^* 就是把 H(k)和 H(-k)以特定的方式给“黏”起来。 各种对称性在晶格中是怎么体现的？对称性在拓扑那么布里渊区上的H(k)也可以通过商掉一些等价关系来得到新的有趣的东西，而对称性就表达了这种等价关系（对称性=它们不可分辨=它们都一样=某种意义上的等价关系）。例如 T H(k) T^{-1}=H(-k)^* 就是把 H(k)和 H(-k)以特定的方式给“黏”起来。
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线束的型号命名1007/1015/3122等有什么含义？来源于哪里
我们先来了解下1007电子线的基本规格 1007电子线可以过多大的电流?原厂的额定电压是300V，其线规是以AWG为单位，内部的导线有裸铜和镀锡铜2种，常见的线规有16AWG、18AWG、20AWG、22AWG、24AWG.26AWG、28AWG、30AWG，根据线规不同，其线数、线径、外径、绝缘厚度、导线外径都有所不同电流自然也有所差别。 线束的型号命名1007/1015/3122等有什么含义？来源于哪里我们先来了解下1007电子线的基本规格 1007电子线可以过多大的电流?原厂的额定电压是300V，其线规是以AWG为单位，内部的导线有裸铜和镀锡铜2种，常见的线规有16AWG、18AWG、20AWG、22AWG、24AWG.26AWG、28AWG、30AWG，根据线规不同，其线数、线径、外径、绝缘厚度、导线外径都有所不同电流自然也有所差别。
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Disruption of YPS1 and PEP4 genes reduces proteolytic
After 72 h of induction, more than 80 % of the HSA/PTH (1-34) secreted by the pep44yps14 double disruptant remained intact, in com- DOI 10.1007/s10295-013-1264-8. strain GS115, two degradation fragments of around 66 kDa were found, in addition to a *45 kDa HSA-truncated frag- Disruption of YPS1 and PEP4 genes reduces proteolytic After 72 h of induction, more than 80 % of the HSA/PTH (1-34) secreted by the pep44yps14 double disruptant remained intact, in com- DOI 10.1007/s10295-013-1264-8. strain GS115, two degradation fragments of around 66 kDa were found, in addition to a *45 kDa HSA-truncated frag-
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Degradation of Pt-Based Catalysts in PEMFC Springer
Pt loss during operation is another major source of catalyst degradation. Basically, this is caused by Pt dissolution and deposition into the membrane by crossover hydrogen (as shown in Fig. 5.3) or Pt particle detachment of carbon support into the ionomer nearby. The process of Pt dissolution has been discussed above, which is Degradation of Pt-Based Catalysts in PEMFC SpringerPt loss during operation is another major source of catalyst degradation. Basically, this is caused by Pt dissolution and deposition into the membrane by crossover hydrogen (as shown in Fig. 5.3) or Pt particle detachment of carbon support into the ionomer nearby. The process of Pt dissolution has been discussed above, which is
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Highly stable single Pt atomic sites anchored on aniline-stacked
Developing efficient and cost-effective electrocatalysts for hydrogen evolution reaction (HER) is highly desired for the hydrogen economy. In this study, we developed a facile microwave reduction method to synthesize single Pt atoms anchored on aniline-stacked graphene (Pt SASs/AG) with outstanding HER perfo 2019 Energy and Environmental Highly stable single Pt atomic sites anchored on aniline-stackedDeveloping efficient and cost-effective electrocatalysts for hydrogen evolution reaction (HER) is highly desired for the hydrogen economy. In this study, we developed a facile microwave reduction method to synthesize single Pt atoms anchored on aniline-stacked graphene (Pt SASs/AG) with outstanding HER perfo 2019 Energy and Environmental
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The exclusive surface and electronic effects of Ni on promoting the
On the other hand, the electronic properties of Pt are hardly influenced when Ni is deposited on the surface of Pt NWs, on which the strong *H and *OH adsorptions lead to the improved HOR activity. This work reveals the significance of Ni modification on HOR, but also promotes the fundamental researches on catalyst design for fuel cell The exclusive surface and electronic effects of Ni on promoting theOn the other hand, the electronic properties of Pt are hardly influenced when Ni is deposited on the surface of Pt NWs, on which the strong *H and *OH adsorptions lead to the improved HOR activity. This work reveals the significance of Ni modification on HOR, but also promotes the fundamental researches on catalyst design for fuel cell
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