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Build Your Own Multiple Purpose Camera Stand (For Less Than $100)

机译：打造自己的多功能相机支架（价格低于100美元）

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摘要

Instructions for building a multiple purpose camera stand for under $100.

著录项

作者
Jenkins, H. T. ; Oden, R. W.;
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作者单位

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年度 1979
页码 1-15
总页数 15
原文格式 PDF
正文语种 eng
中图分类工业技术;
关键词
Camera mounts; Supports; Instructions;

机译：相机安装;支持;说明;

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3. How to Build Your Own Document Camera for Around $100 [J] . Stephen Van Orden Die Unterrichtspraxis/Teaching German . 2010,第1期

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4. Microgrid for the Purpose of the Development of Net-Zero Energy Green Buildings and Communities Towards 100 Renewables Vision: Microgrids as the Buildingblocks [C] . Abilash E. T. Nair International conference and exhibition on smart grids and smart cities . 2020

机译：Microgrid用于开发Net-one Energy Green Buildings和社区100％可再生能源视觉：Microgrids作为建筑块
5. Bayesian three-dimensional multiple people tracking using multiple indoor cameras and microphones. [D] . Lee, Yeongseon. 2009

机译：贝叶斯三维多人跟踪使用多个室内摄像机和麦克风。
6. A Stand-Alone Smart Camera System for Online Post-Earthquake Building Safety Assessment [O] . Ting-Yu Hsu, Xiang-Ju Kuo 2020

机译：在线地震后建筑安全评估的独立智能摄像头系统
7. Mechanical properties of various concrete after high temperature exposure Mechanical property of various types of concrete after high temperature exposure is investigated. Considering compressive strength requirement for a vertical element in high rise building, concrete specimens with various design strengths of 35, 80, 100, and 150 MPa were tested. Particularly, the influence of incorporated steel fiber on fire resistance is of interest in this study. Experimental results show that the fire resistance depends on the design strength and steel fiber content. Normal strength concrete (NSC) of a design strength of 35 MPa or high performance concrete (HPC) of 80-100 MPa does not spall when exposed to 100-400 °C of temperature. However, an explosive spalling occurs at 300 °C when the HPCs contain 1 vol. of steel fiber. Ultra-high performance concrete (UHPC) of a design strength of 150 MPa and 1.5 vol. of steel fiber also shows dramatic spalling at 300 °C. The experimental results found in this study can contribute to a better understanding of the behaviors of HPC and UHPC under fire and the role of steel fiber on the fire resistance. [O] . 2017

机译：研究了高温暴露后各种混凝土高温曝光机械性能各种混凝土的机械性能。考虑到高层建筑中垂直元件的抗压强度要求，测试了35,80,100和150MPa各种设计强度的混凝土试样。特别是，在这项研究中，掺入钢纤维对耐火性的影响。实验结果表明，耐火性取决于设计强度和钢纤维含量。在暴露于100-400°C的温度时，80-100MPa的设计强度为35MPa或高性能混凝土（HPC）的正常强度混凝土（NSC）不会击落。然而，当HPC含有1体积的钢纤维的百分比时，爆炸性剥落发生在300℃。超高性能混凝土（UHPC）的设计强度为150 MPa和1.5 Vol。钢纤维的百分比也显示出300℃的剧烈剥落。本研究中发现的实验结果可以有助于更好地了解在火灾中的HPC和UHPC的行为以及钢纤维对耐火性的作用。

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