Results 91 to 100 of about 193,229 (203)
, 2010 该专题是地矿部“八五”国家科技攻关项目《新疆塔里木盆地油气资源》下属的二级专题，编号８５－１０１－０６－０６－０１。应用计算机辅助设计技术及塔北有关科技攻关的成果，以地矿部石油地质海洋地质局“钻井工程设计纲目”为蓝本，参照各种钻井技术规范，研究出了一套计算机辅助钻井工程设计系统。主要有：开发了先进、实用、灵活的系统管理软件和友好的用户界面；解决了软件系统开发过程中数据共享与传递、专家知识融入、文本形成等技术难题，建立了钻井工程程序库、中间数据库、专家知识库，选用了最新及通用的设计模式及理论 ...
鲍洪志 +4 more
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, 2017 人性化设计指的是从人的行为习惯、思维方式、心理情况和生理结构等来优化产品设计，从而实现人、产品、环境的和谐共生,其中，人性化设计以绿色设计为终极目标。电梯是一种用于公共场所和高层建筑的交通工具，其在社会生产生活中随处可见，因此将人性化设计理念引入电梯系统设计中非常必要。论文主要分析了一种基于人性化设计理念的电梯系统设计方案。
陶 陶
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Rare Metals, Volume 45, Issue 11, November 2026.ABSTRACT Biodegradable magnesium alloys are limited in orthopedic applications due to their rapid corrosion and poor interfacial stability. In this work, a composite coating is constructed via magnetic filtered cathodic vacuum arc (MFCVA) deposition of a Zn interlayer, followed by hydrothermal in situ generation of ZnO to induce hydroxyapatite (HA ...
Chao Zhang +9 more
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He jishu氦氙冷却反应堆以氦氙混合气体作为布雷顿循环运行工质，具有循环效率高、功率质量比高和运行可靠等特点，在深空大功率核反应堆电源和无人潜航器核动力等领域具有广阔的应用前景。针对氦氙布雷顿循环系统运行特性，建立了涡轮机、压缩机、紧凑型换热器等氦氙布雷顿循环热力设备仿真模型，开发了氦氙冷却反应堆布雷顿循环运行性能分析仿真工具。以“普罗米修斯”氦氙冷却反应堆布雷顿循环系统为研究对象，分析循环各点参数与各部件性能对系统效率和系统比功的影响。结果表明：系统效率与系统比功均存在最佳压比，循环最高温度越高、最低温度则越低 ...
赵 正成 +3 more
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, 2012 现代材料计算学的发展，已经使得通过材料计算实现先进材料的设计成为可能。通过材料计算与理性设计，不仅使新材料的研究与开发更具目的性，降低开发成本，从而加快新材料投入市场的速度，而且有助于材料的原始性创新，显著提升研发效率。本文对锂离子电池技术中的材料计算和理性设计进行了较为详细的举例论述，并对材料设计过程中涉及的纳米尺度的材料计算 ...
黎军
core
Rare Metals, Volume 45, Issue 11, November 2026.ABSTRACT To address the insufficient wear resistance of high‐entropy alloy (HEA) coatings under extreme conditions, FeCoNiCrCu and FeCoNiCrCuB0.03Si0.03 microalloyed coatings were fabricated via annular oscillating laser deposition. This work systematically investigated the effects of synergistic B/Si addition on their phase composition, microstructure,
Tao Wang +6 more
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Pairwise-based visual labeling system for event-tracking data(基于成对关系的埋点数据可视化标注系统)
Zhejiang Daxue xuebao. Lixue banEvent-tracking technology embeds special code within applications to collect data during runtime, which aids developers in performance analysis and evaluation. Multidimensional event-tracking data is often automatically analyzed through evaluation models
孙嘉顺(SUN Jiashun) +6 more
doaj +1 more source
Rare Metals, Volume 45, Issue 11, November 2026.ABSTRACT High‐temperature microwave‐absorbing materials (HTMAMs) are vital for the electromagnetic stealth of hypersonic aircraft and aerospace engines. Traditional carbon‐based or magnetic‐based absorbers suffer from oxidation, Curie‐temperature limitations, and impedance mismatch under extreme conditions.
Jing Wu +6 more
wiley +1 more source
Zhongguo youzhi旨在为色谱法从鱼油中进一步分离纯化DHA和EPA生产企业甲醇废液回收工艺方案选择提供参考，介绍了普通单塔精馏、双效精馏、单塔热泵精馏和双塔热泵精馏4种甲醇回收工艺流程和主要参数，并以40 t/h甲醇废液为例，利用Aspen Plus软件对4种甲醇回收工艺路线的运行能耗做了模拟计算，对其成本进行了对比分析。结果表明：普通单塔精馏、双效精馏、双塔热泵精馏和单塔热泵精馏的冷却能耗和加热能耗依次降低；对比压缩机电耗在内的综合能耗（折合标煤），普通单塔精馏最高，双塔热泵精馏 ...
陈利斌，郑高吉，朱志坤，许可 CHEN Libin, ZHENG Gaoji, ZHU Zhikun, XU Ke
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Enhanced Microwave Attenuation via Coupled Ni3ZnC0.7/Ni3InC0.5 Heterogeneous Interfaces
Rare Metals, Volume 45, Issue 11, November 2026.ABSTRACT The growing complexity of electromagnetic environments places increasingly stringent demands on microwave absorbers, particularly regarding broadband attenuation, impedance matching in ultrathin configurations, and structural stability. Herein, we propose a dual nonstoichiometric carbide synergistic regulation strategy, in which Ni3ZnC0.7 and ...
Xiaomeng Jiang +10 more
wiley +1 more source