The paper analyzes the internal relations between "protected radius" and "protected area", and comes to the conclusion of installing the detector in square; the paper also gives the performance criteria of detector distribution.
分析了点型探测器“保护半径”与“保护面积”的内在关系 ,得出了以尽量趋于正方形设置为善的结论 ,并将按“面积”设置纳入受保护半径的制约 ;得出了探测器设置有效 (符合规定 )的直观判定条件。
Discussion about the provision of maximum protection area of sprinkler system in NFPA13,It is helpful to understand the provision.
分析了 NFPA1 3关于喷淋系统最大保护面积的规定 ,有助于人们对于该条款的准确理解 ;通过与我国喷淋规范的比较 ,指出了两本规范的异同点 ,提出了 NFPA1 3关于系统最大保护面积的规定更为经济、合理的观
Analyzing Internal Relations between "Protected Radius" and "Protected Area"
保护面积和保护半径对点型火灾报警探测器布置的影响分析
Research on the Basic Farmland Protection Area Based on Agricultural Land Throughput;
基于农用地产能核算的基本农田保护面积确定方法研究
The natural reserves should cover around 10% of the territory of the city.
自然保护区总面积占全市国土面积比例达到10%。
The reserves cover 132.95 million hectares or 13.2 percent of the total land areas of the country.
自然保护区面积13295万公顷，占国土总面积的13.2%。
The Pantanal Conservation Complex consists of a cluster of four protected areas with a total area of187,818 ha.
潘塔奈尔保护区由四个受保护区域构成，总面积187,818公顷。
Discussion on the Acreage Standard of Regional Compensation Mechanism of Cultivated Land Preservation;
耕地保护区域补偿机制之面积标准探讨
Study on Forecast of Changing Trend of Cultivated Land Area and Protection Countermeasures in Beijing;
北京市耕地面积变化趋势预测及保护对策研究
Protection of Arc Spray Al Coating and Large Area Long-term Anti-corrosion for CFST Arch Bridge;
电弧喷铝涂层保护及桥梁大面积长效防腐
add forest protection facilities and enhance forest protection in light of actual needs;
根据实际需要在大面积林区增加护林设施，加强森林保护；
a covering that protects an inside surface.
保护内部表面的保护层。
to protect farmers' incentive to produce
保护农民的生产积极性
Indeed, the total area protected from any form of fishing constitutes a mere 0.01 percent of the ocean surface.
实际上，受保护而完全不遭到渔捞的海域，只占了海洋面积的0.01%。
It has the advantage of light deadweight, little material, low price, small windward acreage and convenient amending.
具有自重轻、料少、价低、风面积小和维护保养方便等特点。
There are 171 national level nature reserves, with an area of 59.03 million hectares.
其中国家级自然保护区总数171个，面积为5903万公顷。
Fully Understand the Important Role of Safeguarding Private Property in Bringing Every Positive Factor into Play;
全面认识保护私人财产在调动一切积极因素中的重要作用
Large Area Surfacing Wear-resistant Composite Plate--Alloy Powder Surfacing with Self-shielded Flux-cored Wire Welding
大面积耐磨复合板堆焊—自保护药芯焊丝外添加合金粉工艺研究
This paper covers low expansion foam extinguishing sprinkler system and its design practice. The practical technical measures to use this system for large-area protection like big warehouse are also included.
介绍了低倍数泡沫灭火系统及设计实例，探讨了该系统保护仓库等大面积防护区的技术措施。
Automatic protect for damaged areas Galvanized coatings corrode preferentially to steel, providing cathodic or sacrificial protection to small areas of steel exposed damage.
当锌层有小面积损伤时，由于锌比钢易受侵蚀从而保护了暴露出的钢件表面。