PEX geothermal pipe series, characteristics of product: Terrestrial radiation heating is to lay pipeline under the ground indoors, heat the floor to certain temperature by special reversible circulation way of hot body in pipe, radiate heat to the room evenly from the floor, at the same time, under the function of specific gravity difference of the cold and the hot air, the natural air convection creates the tepid climate in the room with ideal temperature distribution, making the indoor environment reach the most comfortable state of human sense organ.
PEX地热管系列，产品特点：地面辐射采暖是在室内的地面下铺设管道，通过管内热体特殊的双向循环方式将地板加热到一定温度，再由地板均匀地向室内辐射热量，同时在冷热空气的比重差作用下，产生了空气的自然对流现象，从而创造出具有理想温度分布的室内热微气候，使室内环境达到人体感官最舒适的状态。
Used'.''chiefly for meteorological measurements of terrestrial and solar radiation.
探测仪'。''，如直接日射强度计，主要用于对地球及太阳辐射的气象测量
Any of several radiometric instruments, such as a pyrheliometer, used chiefly for meteorological measurements of terrestrial and solar radiation.
日射强度表一种微辐射探测仪，如直接日射强度计，主要用于对地球及太阳辐射的气象测量
And the effect of air mass on the direct terrestrial solar integrated radiation exergy flux is the larger.
空气质量对地表直射太阳积分辐射火用流的影响较大。
The direct terrestrial solar integrated radiation exergy flux decrease with the increase of precipitable water and air mass, respectively.
地表直射太阳积分辐射火用流分别随着可凝结水量和空气质量的增加而减小。
A way to provide connectivity welding, aluminum middle layer steel tubes welded into ultrasound provide connectivity, aluminium Cengbao generally to 0.15 -- 0.35mm, and through the internal and external layers of plastic and macromolecular adhesive out shaped, and easy bending steel tubes, for the use of a terrestrial radiation heating, indoor temperature plumbing, solar water heaters in control; Another way to the docking of welding, Use Yahuhan Next, aluminum skins, generally 0.3 -- 1.8mm, Naiyajiangduo to 23BAR above, in addition to general pipelines, gas pipelines can be used to manage this.
一种方式为搭接焊，管材中间铝层超声波搭接焊成，铝层薄，一般为0.15――0.35mm，再通过内外层塑料及高分子粘合剂挤出成型，管材容易弯曲，适于做地面辐射采暖用管、室内冷热水管、太阳能热水器用管；另一种方式为对接焊，使用氩弧焊接，铝层厚，一般为0.3――1.8mm，耐压强度可达23BAR以上，因此，除一般的输水管道外，此管还可用于燃气管道。
Estimation of the method errors for deducting the response to cosmic-ray in measuring terrestrial gamma radiation dose rate
测量陆地γ辐射剂量率中扣除宇宙射线响应的方法误差估计
Norm for the measurement of environmental terrestrial gamma-radiation dose rate
GB/T14583-1993环境地表γ辐射剂量率测定规范
The heat supply system of terrestrial surface radiation of low temperature hot water has been more and more widely used in architectural heat supply because of its comfort, cleanness, health care, limited size, heat stability and efficient energy-saving character.
低温热水地面辐射供暖系统由于其舒适、卫生、保健、不占面积、热稳定性好、高效节能等优点已越来越多地在建筑供暖中得到推广应用。
Annual extreme minimum temperature in Fujian Province mostly resulted from dropping in temperature (A Model Dropping) arisen from terrestrial radiation in fine nights after dropping in temperature arisen from advection. The serious or most serious freezing damage of fruit tree appeared in A Model Dropping.
福建省年度极端最低气温绝大多数是由平流降温后的晴夜辐射降温（A型低温）引起的，使果树遭受重或严重冻害的低温都出现在A型中。
Long-term survey of γ Radiation dose levels on terrestrial environment in Shanghai Municipality has been conducted.
在上海市全市地域内，按网格布点对环境陆地γ辐射剂量率水平进行了长期、系统的监测和调查。
The Fraction of Absorbed Photosynthetically Active Radiation (FPAR) has been recognized as one of the important variables in carbon cycle research of terrestrial ecosystem.
光合有效辐射比率（FPAR）是陆地生态系统碳循环研究的重要参数。
Selecting Terrestrial Reference Organisms for Assessment of Radiation Impact on Non-human Species in the Area near a Nuclear Installation
我国某核场址非人类物种辐射影响评价中陆生参考生物的选择