辐射

The effects of solvent concentration, ratio of liquid to solid, microwave power and radiation time were evaluated by single factor and orthogonal experiments. The extraction conditions of flavones from Solidago canadensis by microwave-assisted method were optimized as 40:1 of the weight ratio of 50 % ethanol to twigs and microwave power of 700 W for 20 min.

并通过单因素实验和正交试验优化溶剂浓度、液固比、微波功率和微波辐射时间等微波提取条件，确定了微波辅助萃取法提取加拿大一枝黄花中黄酮类化合物的最佳条件为：乙醇浓度50%，液固比40：1，微波功率700W，微波辐射时间20min。

The results indicated that the earth's surface temperature and air temperature of the desert comparing the oasis of the variety range are higher and ascend and descend of the speed are quicker; As the ascend and descend changes of air relative humidity and temperature are different at each observation spot, the variety curve of the air pressure of daytime shows the single type of wave; At each observation spot the predominant direction of wind was mainly souther, still having the southeast or southwester at 12:00-18:00; Wind speed almost is 0 at 20:00; The clean radiation at the morning and the evening of desert are higher than in oasis, the clean radiation in oasis in the daytime is bigger than in desert.

结果表明，沙漠地表面温度和气温升降速度比绿洲观测点要快、变化幅度大；由于各观测点空气相对湿度和温度升降度不同，使得各观测点的气压升降幅度也不同，白天气压的变化曲线呈单蜂型；各观测点在12：00到18：00期间主导风向主要是南风，还有东南或西南风，在20：00时风速几乎为0；早上和晚上沙漠的净辐射高于绿洲，白天近地面净辐射绿洲大于沙漠；对绿洲气象要素时空效应特征分析，为棉花等绿洲优势作物的播种期、物候期、作物生育及生理生态特性具有一定的指导意义。

The temperature field of the floor and the space and the curve of vertical temperature are obtained, and the relevant analysis for them is done.

使用Airpak2.1软件，选用DO辐射模型，k-ε模型，对某高大空间的辐射采暖系统的应用效果进行模拟研究。

Shapes of spectral distributioncurve in pure Kuroshio region and coastal waters are obviously different.Some inflectionpoints in spectral distribution curve appear at wavelength bands of 412,443,490,520,550,555 and 670nm.

黑潮域与沿岸水的水中辐射光普曲线之形状呈显著的差异，并使得水中辐射照度分布曲线於412、443、490、520、550、555及670 nm波段处出现了屈折点。

First, the radiation intensity and spectral distribution of a target in the detection waveband are analyzed and simulated.

首先对目标在探测波段内的辐射强度的组成和光谱分布特点进行了分析，并对目标的辐射强度、光谱分布和运动等特征量进行了模拟。

It's purpose is to develop high temperature particle spectral radiation property measurement equipment, carries out online measurement on high temperature particle, realizes the theoretical and experimental research on high temperature particle optical property, offers different temperature optical property measurement data base.

本课题来源于国家自然科学基金重点项目(编号：50336010)，红外辐射特性及传输的多尺度多参数分析项目的一部分，其目的是研制高温粒子光谱辐射特性测量装置，对高温粒子进行在线测量，通过该装置实现对高温粒子的光学特性的理论和实验研究，提供不同温度下的粒子的光学特性测量数据库。

The immunostianing of ghrelin was not observed in Leydig cells after the impairment. Conclusion The changes in the expression of ghrelin suggest that ghrelin may play an important role in the function regulation of testis and the process of spermatogenesis and spermiogenesis.

结论Ghrelin在小鼠正常及辐射损伤睾丸中的特异性表达和变化，提示其可能与睾丸精子发生、精子形成及辐射损伤修复有关，具有重要的睾丸生物学调节功能。

The opening sphericity is widey used in the metrology of radiation, the scaling of radiation and the measurement of laser energy.

球形开口空腔在辐射计量、辐射定标和激光能量测量等方面得到了广泛应用。

The dry seeds of caper spurge (Euphorbia lathyris L.) were radiated by 60Co γ ray with 7 dosage levels. The morphologic and physiologic index at germination and seedling stage were analyzed and the appropriate dosage of 60Co γ ray for caper spurge was estimated.

采用7种不同剂量的60Co γ射线辐照续随子干种子，观测射线辐射对M1种子萌发进程中植株形态及生理指标的影响，并对供试材料的适宜辐射剂量进行预测。

The theory of radiometric calibration was derived and the radiometric calibration of the UV-ICCD was implemented based on spectral irradiance standard deuterium lamp with uncertainty of 5% calibrated by NIST in a laboratory.

推导了辐射定标的原理，并基于标准氘灯对UV-ICCD探测器进行了辐射定标，其标准光源由美国国家标准和技术研究所标定，不确定度为5%。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。