Results 131 to 140 of about 2,125,466 (224)
Intelligent Material Framework for Data Mining and Performance Prediction of Invar Alloy
Rare Metals, Volume 45, Issue 6, June 2026.ABSTRACT Invar alloys exhibit a low coefficient of thermal expansion (CTE) over a wide temperature range and are regarded as critical materials for precision engineering and aerospace applications. In this work, an integrated OLR‐IMF (an intelligent material framework based on optical character recognition [OCR], large language models [LLMs], and ...
Tongbo Jiang +11 more
wiley +1 more source
, 2011 一种钯催化不对称氢化合成手性二氢吲哚的方法，其特色在于使用布朗斯特酸作为活化剂，其用到的催化体系是钯的手性双膦配合物。反应能在下列条件内进行，反应温度：20-50℃；反应采用溶剂：二氯甲烷与2，2，2-三氟乙醇混合溶剂(DCM/TFE体积比为1∶1)；氢气压力：13-45大气压；底物和催化剂的比例是50/l；用到的金属前体：三氟醋酸钯(Pd(OCOCF3)2)；用到的手性配体：手性双膦配体；用到的活化剂：L-樟脑磺酸(L-CSA)；对未保护的简单2-取代吲哚以及2，3 ...
王躲生, 周永贵
core
Gongye shui chuli, 2010 介绍了对有毒、难生物降解的苯胺废水的传统处理技术及基本原理，主要包括物理、化学、生物等方法。对一些新型的处理技术及基本原理作了简单的介绍，主要包括超声光催化降解、声电联合降解、吸附—双催化氧化降解、电子束辐照降解、膜萃取、新兴的微生物降解以及加压生化法等技术。
王孝华
doaj
Rare Metals, Volume 45, Issue 6, June 2026.ABSTRACT Semiconductor photocatalysis represents a pivotal frontier in the quest for sustainable energy and environmental remediation. Among the diverse catalytic materials, Bismuth Oxychloride (BiOCl) has emerged as a particularly promising candidate due to its unique layered structure, featuring [Bi2O2]2+ layers intertwined with halogen ions, which ...
Liu Han +5 more
wiley +1 more source
, 2014 一种以分子筛为催化剂生产甲酚的方法，原料苯酚、甲醇经预热后与稀释气混合连续通过分子筛催化剂床层，在反应温度200-500℃、进料重量空速0.5-20h-1反应条件下进行气相反应生成甲酚。以MCM-49为活性组份改性制得分子筛催化剂。以苯酚甲醇为原料，甲酚选择性可达94％，对位选择性可达50％，催化剂稳定性好。生产过程中无设备腐蚀，是一种环境友好的催化剂 ...
刘琳 +4 more
core
Gongye shui chuli, 2012 介绍了乳化液废水的形成及特点，并对处理乳化液废水的化学混凝法、共凝聚气浮法、电凝聚法、高级氧化法、超滤法、生化组合工艺进行了综述，提出了乳化液废水处理的发展方向．
王志强, 李黎, 陈文清
doaj
Emerging MBenes for Energy Technologies
Rare Metals, Volume 45, Issue 6, June 2026.ABSTRACT The escalating global demand for sustainable energy is driving the search for transformative materials that transcend the limitations of conventional systems. Two‐dimensional (2D) transition metal borides (MBenes) have recently emerged as a compelling class, distinguished by unique electronic structures, tunable surface chemistry, and ...
Yingrui Ding +5 more
wiley +1 more source
, 2001 本发明属于用真菌发酵生产天然活性脱落酸的新方法。本法通过改造现有脱落酸菌，改变培养基配方，改液体批次发酵工艺为连续流加补料出料以及采取菌种固定化、添加关键底物使产酸量稳定，从而大幅度提高产量，降低了能耗和原料的使用量，大幅度降低了生产成本 ...
彭树林, 丁立生, 谭红, 李志东
core
Gongye shui chuli, 2017 生物铁法是一种研究广泛的生物强化处理工艺。在总结传统生物铁法的基础上，详细介绍了Fe0-生物铁法的作用机理、研究现状及发展前景。相比传统生物铁法，Fe0-生物铁法能够持续产生铁碳微电解作用和发生类Fenton效应，这些作用对微生物降解污染物具有协同强化作用；再者，Fe0能以载体的形式投加到反应器中，大大减小了工程应用的难度。针对Fe0-生物铁法应用现状，指出今后的研究方向应集中在开发适宜于Fe0-生物铁法的工艺、工艺参数及性能良好的Fe0材料等方面。
柴志龙, 赵炜, 王亚娥, 李杰
doaj
Rare Metals, Volume 45, Issue 6, June 2026.ABSTRACT The development of lightweight, high‐attenuation, and broadband carbon‐based electromagnetic wave absorbers is hindered by the intrinsic trade‐off between impedance matching and dielectric dissipation. Herein, we report a facile and scalable synthesis of N‐doped lignin‐derived interconnected porous carbon (Nx‐LIPC) via hydrogen‐bond self ...
Bin‐Peng Zhang +7 more
wiley +1 more source