Results 31 to 40 of about 22,750 (171)
Evaluation of the Up-to-date Approach SBA for Measurement of Water Leaving Radiance [PDF]
, 2015 SBA(Skylight-blockedapproach)是新近提出的直接测量离水辐亮度Lw的方法(Leeetal.,2013)。该测量方法是由表面之上法改进而来。辐亮度光谱仪镜头处安装上一个蔽光元件——遮光锥，测量时遮光锥的末端稍稍插入水中但光谱仪镜头保持在水面之上。如此一来，遮光锥将水面反射的光完全阻挡，来自水中的辐亮度穿过水面后自然转变为Lw并被光谱仪所接收，从而实现了由光学传感器直接获得Lw的突破。传统的测量方法，包括剖面法和表面之上法，只能测量相关参数，然后通过物理模型计算得到Lw。然而 ...
陈旭磊
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Conservation Biology, EarlyView.Abstract Recognition and engagement of Indigenous Peoples and local communities (IP&LCs) and other traditional knowledge (TK) holders in formal biodiversity governance remain limited, despite their significant contribution to the conservation and sustainable use of biodiversity through their knowledge, innovations, practices, and land stewardship.
Kinga Öllerer +8 more
wiley +1 more source
The Research on the Project Management of the Model Change Time Compression in Factory A [PDF]
, 2016 换线时间的压缩，主要是针对换线前的材料、治具准备及人力安排，换线中的步序优化，以及换线后的当机、品质管控，做消除浪费、减少变异的分析及改善，最终在保证流程输出稳定的同时，压缩流程时间。 本论文主要是在面板业整体市场需求旺盛，但利润率低下的大环境下，结合A厂实际面临的因综合机台利用率漏失严重，而导致产能不足的实际情况，运用精益六西格玛的管理方法，对综合机台利用率漏失最为严重的换线时间进行压缩。整个过程按照精益六西格玛要求的定义、测量、分析、改善、控制五大步骤循序渐进。通过对全流程做浪费分析 ...
朱小勇
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Representation of obligate groundwater‐dwelling copepod diversity in European protected areas
Conservation Biology, EarlyView.Abstract Groundwaters sustain diverse surface ecosystems and are populated by metazoan species, mostly invertebrates, that provide fundamental ecological functions and are often of prominent conservation value due to narrow endemism and high phylogenetic rarity.
Francesco Cerasoli +7 more
wiley +1 more source
The experimental design and analysis for wavefront characterizing of an expended laser beam [PDF]
, 2015 激光波面分析与检测是精密测量技术的一个研究方向，它是建立在干涉测量技术的基础上而发展起来的。在经典物理学中，杨氏双缝干涉是最经典的干涉现象，这种干涉是基于等倾干涉原理通过条纹的变化来检测相干光束的波面特性。另外，基于等厚干涉技术发展起来的准直光检验器，在高效方便化的准直技术检验方面展现出了巨大的发展潜力。本文以由一块平行平晶组成的准直光检验器为核心，利用扩束镜改变633nmHe-Ne激光器的波面特性，在扩束镜光路轴后方，利用准直光检验器检验扩束激光波面特性 ...
林坤生
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Conservation Biology, EarlyView.Abstract There exists a growing suite of technologies that support significant and exciting progress in biodiversity conservation and research. Citizen scientist participation is common in this research and often focuses on data collection and labeling.
Joycelyn Longdon +5 more
wiley +1 more source
Research of Opto-electronic Integrated Receiver in Industrial Control for POF Communication [PDF]
, 2015 随着经济的飞速发展，传统的手工生产方式正逐步被自动化的生产方式取代。工人仅操作控制面板，将生产指令经传输媒介传达至自动化设备末端进行生产的方式是大势所趋。作为传输指令的载体，采用传统的铜线进行传输已无法确保数据完整性及工业精准度。符合“光进铜退”环保政策的新兴材料——塑料光纤(PlasticOpticalFiber,POF)因具有优异的电磁抗扰性和易接续、低成本的特性，日渐广泛的应用在工业控制、车载网络、音频数据传输等各种短距离通信领域。工业控制中，POF的使用可以隔离共模电压 ...
范程程
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Conservation Biology, EarlyView.Abstract The design of experiments to investigate the combined effects of multiple stressors requires exposing target organisms to multiple combinations of stressor doses. Concurrent manipulation of stressors is often infeasible with wildlife, but long‐lasting health effects allow individual health to be used as an integrator of prior stressor exposure.
Enrico Pirotta +24 more
wiley +1 more source
Scenarios and strategies for future‐proofing ecosystem management under climatic novelty
Conservation Biology, EarlyView.Abstract Climate change is driving unprecedented declines in dominant, habitat‐forming foundation species across marine and terrestrial ecosystems globally. As climatic novelty becomes the norm, ecosystem reassembly will become increasingly common. Predicting and understanding these transitions, and their implications for future ecosystem functioning ...
Lauren T. Toth +14 more
wiley +1 more source