hour angle

The influence due to change of solar hour angle in the position of focusing line for faceted fixed mirror solar concentrator

太阳时角变化对固定条形镜面聚光器焦线位置的影响

This paper deals with a displace of focusing line position which is caused by change of solar hour angle when a long axis of FMSC is placed in east-west direction.

本文讨论了当固定条形镜面聚光器长轴沿东西向放置时，太阳时角变化所引起的焦线位置的移动。

How to complete the calculation of sun declination, sun right ascension, sun greenwich hour angle, greenwich hour angle of aries and sun local hour angle in Astronomical Position.

利用计算机完成天文定位中的太阳赤经、赤纬、太阳格林时角、春分点格林时角、测者地方时角的计算。

Methods The survey procedures included a four day weighted diet record, twenty four hour energy expenditure and anthropometric measurements ( body height, body weight, arm muscle circumference, triceps skinfold and subscapular skinfold). angle.

方法进行称量法膳食调查、生活观察法能量消耗调查和体格检查（身高、体重、上臂肌围、三头肌皮褶厚度、肩胛角下皮褶厚度）。