Results 51 to 60 of about 4,178 (175)

Ionic‐Liquid‐Assisted Synthesis of NiTe/CoTe Heterostructure With Te Vacancies in N, P, and F Co‐Doped Hollow Carbon Nanorods for Efficient Alkaline Hydrogen Evolution and High‐Performance Flexible Supercapacitors

open access: yesRare Metals, Volume 45, Issue 3, March 2026.
ABSTRACT Low conductivity, slow ion‐diffusion, and limited reactive sites are common problems in electrocatalysts and electrode materials. In this study, a complex NiTe–CoTe heterojunction with abundant Te vacancies embedded in N, P, and F co‐doped hollow carbon nanorods (NiTe1−x–CoTe1−x/NPFC) was fabricated via a simple ionic liquid‐assisted ...
Mingjie Yi   +7 more
wiley   +1 more source

Electrospun Carbon Nanofiber‐Based Multifunctional Electrocatalysts for Zinc‐Air Batteries and Overall Water Splitting: Fabrication, Progress, and Perspective

open access: yesRare Metals, Volume 45, Issue 3, March 2026.
ABSTRACT The development of high‐performance and stable electrocatalysts for oxygen reduction reaction (ORR), oxygen evolution reaction (OER), and hydrogen evolution reaction (HER) plays a critical role in advancing clean energy technologies, including metal‐air batteries and hydrogen production through overall water splitting.
Chen‐Yu Cai   +4 more
wiley   +1 more source

Advance in electrochemical methods for remediation of organic pollutants in water [PDF]

open access: yes, 2000
介绍利用直接电解、间接电解和电化学吸附等方法去除水中有机污染物的研究现状 ,并指出今后的工作方向。The recent progresses of the electrochemical techniques,such as direct electrolysis,indirect electrolysis and electroadsorption,for remediation of organic pollutants in water were reviewed.And the ...
吴辉煌
core  

[[alternative]]A Fundamental Study of Elector-Aggregation by Removal of Copper from Wastewater [PDF]

open access: yes
計畫編號:NSC89-2211-E032-021研究期間:200008~200107研究經費:481,000[[sponsorship ...
高思懷
core  

镍盐前驱体对Ni/C催化剂乙醇气相羰化活性的影响 [PDF]

open access: yes, 2009
采用等体积浸渍法制备了分别以乙酰丙酮镍、氯化镍、硝酸镍和醋酸镍为前驱体负载在活性炭上的4种催化剂。用BET、金属分散度、H2程序升温还原(H2-TPR)、CO-程序升温脱附(CO-TPD)和XRD等测试技术研究了4种催化剂的结构特点和乙醇气相羰化活性。结果表明,以醋酸镍制备的Ni/C催化剂的羰化活性最高,乙醇转化率和丙酸选择性分别为96.1%和95.7%,而以乙酰丙酮镍制备的Ni/C催化剂的羰化活性最低,乙醇转化率和丙酸选择性分别为68.9%和27.1 ...
孙果宋   +5 more
core  

味精废浆与化肥配施对杨树幼苗土壤活性有机碳与微生物活性的影响

open access: yesShuitu Baochi Xuebao, 2016
为探讨味精废浆有机肥对林木土壤的生物学效应及确定味精废浆与化肥适宜的搭配比例,通过盆栽试验,研究了CK(对照,不施肥)、N100(尿素提供100%的氮)、M10N90(味精废浆和尿素分别提供10%与90%的氮)、M30N70(味精废浆和尿素分别提供30%与70%的氮)与M50N50(味精废浆和尿素各提供50%的氮)等处理对杨树幼苗土壤活性有机碳、碳库管理指数(CPMI)与微生物呼吸、代谢熵及生长的影响。结果表明:与N100处理相比,配施味精废浆处理的土壤活性、中活性和高活性有机碳含量均明显升高 ...
叶桂梅   +6 more
doaj  

秸秆与氮肥配施对潮土微生物活性及团聚体分布的影响

open access: yesShuitu Baochi Xuebao, 2022
为了探索秸秆还田与氮肥配施对砂质潮土微生物活性与土壤团聚体的影响。采用室内培养的方法, 在定量秸秆条件下, 通过控制尿素用量, 研究不同氮肥用量与秸秆配施比例对砂质潮土的有机质、土壤微生物量碳、氮含量、土壤酶活性以及土壤团聚体的影响。结果表明: 与CK相比, 秸秆配施适量氮肥, 能显著提高土壤有机质(29.04%~41.90%)、微生物量碳(53.34%~90.33%)、氮含量(25.41%~38.67%)、土壤脲酶(35.29%~44.12%)、多酚氧化酶活性(36.67%~53.33%)以及大团聚体(
周孟椋   +6 more
doaj  

固体无机样品的激光等离子体质谱分析 [PDF]

open access: yes, 1994
激光等离子体质谱是一种新颖的质谱分析手段,具有灵敏度高、分析速度快、分析范围广、分析结果准确性高等优点。本文介绍了在自制的激光等离子体源飞行时间质谱计上,有关催化剂、铝箔、活性碳、岩石等固体无机样品的质谱分析结果 ...
刘朝阳   +4 more
core  

大兴安岭北部主要森林类型土壤活性碳组分及碳库稳定性变化特征

open access: yesShuitu Baochi Xuebao
[目的] 土壤有机碳是森林生态系统碳循环的重要组成部分,活性有机碳能够指示土壤碳库变化,研究不同森林类型土壤活性碳组分及碳库稳定性的变化规律对理解碳循环的生物地球化学过程有重要意义,可为面向固碳减排的生态系统碳库管理提供依据。[方法] 以大兴安岭北部兴安落叶松林、樟子松林、白桦林和山杨林为研究对象,于2023年5—9月采集0—10,10—20 cm土层土壤样品,采用改良后的Loginow法测定土壤中活性易氧化碳含量,利用活性碳利用率(ER)及碳库活度(CPA)分析不同林型下土壤碳库稳定性差异。[结果] (
刘贝贝, 蔡体久
doaj  

Study on the Adsorption Separation of Acrylonitrile and Methyl Acrylate on Activated Carbon [PDF]

open access: yes, 2004
吸附法是应用最广泛的一种治理有机废气的技术,该法去除效率高,净化彻底,能耗低,工艺成熟,具有很好的环境和经济效益。针对国内腈纶厂的废气排放情况,本论文提出并探讨吸附法去除该废气中的主要成份:丙烯腈和丙烯酸甲酯。为了给丙烯腈废气治理的工程设计提供实验数据和理论依据,作为基础研究,论文目标是研究得到活性炭对丙烯腈和丙烯酸甲酯的吸附平衡热力学以及在固定床吸附器上的动态吸附情况(指获取吸附透过曲线),并进行相关的理论探索。本文首先研究了丙烯腈废气在活性炭吸附柱上的单组分吸附平衡,实验表明 ...
王凤松
core  

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