For by the surface to wipe: dry cloth friction that there is electricity phenomenon, the surface with dust in, use1 ℃ strong soap water with soft cloth light wash clean can. 对于擦拭:因表面加以干布磨擦即有电的现象,故遇表面带有尘埃时,用1℃浓肥皂水用软布轻洗净即可。
Whendesire blinds the mind with delusion and dust, O thou holy one, thou wakeful, come with thy light and thy thunder. 当欲念用诱惑与尘埃蒙蔽我的心灵时,呵,觉醒的圣者,请携雷电从天而降。
Such hard X-rays can pass through interstellar gas or dust which otherwise blocks ultraviolet, optical and soft-X-ray light. 在一个活动星系中,黑洞周围通常包围着厚厚的尘埃和气体。这种尘埃和气体可以阻挡紫外线、可见光和低透力X射线。
Fine grains of dust can reflect blue light, which coarse grains of dust cannot. 微粒灰尘能反射蓝光,但粗粒灰尘却不能。
Dust and particles of pollution from factories and industries worsen the effects of light pollution. 来自工厂和其它行业的污染的灰尘和颗粒使光污染的效果恶化。
Explanation: The center of our Milky Way Galaxy is hidden from the prying eyes of optical telescopes by clouds of obscuring dust and gas. A planoconvex lens used to concentrate light. 说明:在不透光尘埃与云气的遮掩下,我们银河系的中心在普通可见光望远镜中是难以看见的。
Below the famous flower, a symbol of Valentine's Day, is a column of dust and gas that appears like a rose's stem but extends hundreds of light years. 下面著名的花,是情人节的象征,是一种尘埃和气体出现像玫瑰的干,但扩大了数百光年列。
The Galactic core is obscured in visible light by dust clouds, which infrared light can penetrate. “银河系核心在红外线可穿过的可见光中被尘埃云遮盖”是啥意思?
If light in the red light spectrum bends back toward Earth after leaving the Sun, what will the increased red dust do to these light rays between the Sun and the Earth an in the Earth's atmosphere? 如果说在离开太阳之后红色光谱的光线弯曲向地球,那么在太阳和地球之间的和在地球大气中的越来越多的红尘会对这些光线产生什么影响?
Here, a high concentration of dust and molecular gas absorb practically all the visible light emitted from background stars. 在这里,一团高密度的尘埃分子气体云吸收了背景恒星发出的所有可见光。
Design of Dust Removing System to the Electrical Equipment at the Bottom of Light Rail Vehicle 轻轨列车底部电器移动式除尘系统设计
Awake and sing, you who lie in the dust! Let your dew fall, O Lord, like a dew of light, and the earth will throw out her dead. 睡在尘埃中的人们都要苏醒歌咏,因为你的朝露是晶莹的朝露,大地将抛出幽灵。
Environment: Is there dust, humidity, heat, ionizing radiation, vibration, shock, ambient light? 环境:灰尘,湿度,高温热度,电离辐射,振动,震动,环境背景光(光照度)
Electronic whiteboard solves the dust pollution for teachers, but gives light pollution; It brings potential visual health hazards to teachers and students. 电子白板虽然解决了教师粉尘污染的问题,却给教室带来了光污染,对师生的视觉健康有着潜在的危害。
Study on compensation of dust pollution and light intensity distribution in the light scattering dust sensor 光散射粉尘传感器的尘染补偿方法及光强分布的研究
Study and investigation were made in the laboratory on the factors affecting the dust control effectiveness by air curtain on the basis of air jet theory and wall attachment effect of fluid mechanics and in the light of the site conditions. 根据流体力学的空气射流理论和附壁效应,结合现场实际条件在实验室对影响气幕控尘效果的因素进行了考察。
The paper introduces a kind of fibre grid dust remover which has specific properties of distinctive principle, small in size, light in weight, low energy consumption and high efficiency of dust removal. 介绍一种冲突网除尘器,其具有原理独特、体积小、重量轻、能耗低、除尘效率高等特点,特别适合翻车机除尘。
A method for improving dust concentration measurement accuracy with scattered light based on extinction method is proposed in the paper. The computer simulation results and the initial experimental case are introduced. 提出了一种在消光法的基础上结合散射光提高粉尘浓度测量精度的方法,介绍了利用计算机模拟计算的结果和初步的实验情况。
Applying two-beam-optics to the transmission-model optical measurement of dust density, we have confirmed that the traditional difference method can not clean up the influence of light source fluctuating, temperature change etc. 将双光路差分法应用到透射式粉尘浓度测量,通过推导得出了传统差分方法不能有效消除光源波动、温度变化等因素带来的误差。
The spectrum self-adapting algorithm is presented. The impact of flue dust to the received light is solved by adjusting the integration time automatically. And the life length of the source is increased. 研究光谱自适应算法,通过自动调整积分时间,解决烟道中的粉尘含量对接受光强的影响,并提高光源的使用寿命。
In the conditions of suspended dust, light quantum flux decreases, temperature of leaf surface rises, stomatal conductance significantly decreases, and stomatal resistance significantly increases. 在浮尘条件下,光量子通量有所降低,气温和叶面温度有所升高,气孔导度明显减小,气孔阻力明显增加。
The dust sensor according to the princIPle of light reflection, when the atmospheric dust particles come across the sensor beam, the sensor will get the corresponding concentration of dust by detecting the intensity of the reflected light. 粉尘传感器根据光的反射原理,当粉尘颗粒经过传感器内部光束的时候,传感器通过检测反射光的强度而得到相应粉尘的浓度。
The dust monitor is widely applied in the aerosol monitoring field, by the advantage of high accuracy, stable performance, and real-time non-contact measuring, etc., which is based on the theory of particle group light scattering to measure the dust mass concentration. 基于颗粒群光散射原理测量粉尘质量浓度的粉尘仪,以其测量精度高、性能稳定可靠以及实时非接触测量等诸多优点,在气溶胶监测领域得到广泛的应用。