You know, artificial boards are a source of the pollutant formaldehyde. 你知道,人造板材是污染物甲醛的来源之一。
Due to the intrinsic characteristics of artificial lighting source, its light output in all exists certain stroboscopic. 由于人工照明光源的固有特性,其光输出中都存在着一定的频闪。
Multivariable decoupling control system of artificial cold source with variable volume in buildings 建筑内人工冷源变容量多变量解耦控制系统研究
Application of phase information to signal detection of artificial seismic source 人工地震信号检测中相位信息的利用
An Artificial ULF/ ELF Electromagnetic Source Used in Geophysical Prospecting 一种用于地球物理探测的人工超低频/极低频电磁场源
Cholecalciferol is produced by irradiation of 7-dehydrocholesterol with ultraviolet light either from the sun or from an artificial source. 胆钙化醇是7?脱氢胆固醇经日光或人工来源的紫外线照射而产生的。
It was proved that xenon arc is an ideal artificial light source. 经试验分析的结果,氙灯的确是一种理想的人工光源。
Fixed source field sounding, an artificial source transient ( time-domain) electromagnetic sounding method, has been applied to field test in southern margin of Junggar basin with complex relief and geologic structure. 固定源建场测深法是一种人工场源瞬变(时间域)电磁测深方法。该方法在地形、地质构造复杂的准噶尔盆地南缘进行了勘探试验。
The increase of the intensity of artificial light source only raises to a certain extent the phototactic effect of both fishes. 无论兰圆鲹、鲐鱼,提高人工光源的强度,只在一定程度上提高其趋光效率。
On the basis of those work, we continue to simulate and discuss the changes of heat island intensity caused by artificial heat source, aerodynamic roughness length and wind speed. 在此基础上,模拟并探讨了人为热源、风速、地面粗糙度等因素对城市热岛强度的影响。
Research on the Appraisal of the Inherent Danger Index of Artificial Electromagnetic Radiation Source 人工电磁辐射源固有危险性指数法评价研究
In the artificial source electromagnetic exploration, it is important to keep the transmitting current steady. 在人工场电磁法勘探中,保持供电电流的稳定是至关重要的。
A boundary element modeling method for the electromagnetic field by artificial source in frequency domain with 3-D topography 三维地形频率域人工源电磁场的边界元模拟方法
Although the sensitivity of natural neutron moisture gauge with the natural neutron flux source is as not good as that of an artificial neutron source, it resolves the problems of the neutron shield and escapes some necessary management procedures for radioisotopes. 与人工中子源中子测水技术相比,虽然大气中子源方法的灵敏度较差,但避免了人工中子源的辐射防护与管理难题。
The restocked fish accounted for more than 80% of the total captured fish, therefore, artificial restocking is the major source of fish. 渔获物组成中,放养鱼类占80%以上,人工放养是目前涨渡湖鱼类补充群体的主要来源;
The Application of Artificial Neural Network to the Source Rock's Evaluation 人工神经网络法在烃源岩测井评价中的应用
A Discontinuity Sharpenning Technique ⅰ: Adding Artificial Stiff Source Term Approach& An Application of Stiff ODE Solver 间断陡削化方法Ⅰ:人为刚性源项方法&刚性常微分方程的计算方法的应用
We propose a numerical method using boundary element to model the electromagnetic filed induced by artificial source in the frequency domain with 3-D topography. 提出了一种用边界元法计算频率域人工源三维地形电磁场的数值模拟方法。
Horizontal el0ectlic dipoles are suggested to work as the antenna of artificial source. 建议用水平电偶极子作为人工电磁场源的天线;
The results showed that, it is very easy for photosynthetic bacteria to form the superiority growth under the condition of artificial light source, nutrient fluid pH 7-8.The optimal dosage of the bacteria for the multiplication was 20% to 30%. 结果表明,在人工光源照射下,培养液的pH值为7~8时,光合细菌最易于形成优势生长。其最佳接种量为20%~30%。
According to the different source type, Rayleigh wave exploration technology can be divided into two kinds, artificial and nature source method. 面波勘探按震源的不同分为人工源法和天然源法两种。
The findings show that Cd originates from exterior artificial source. 研究结果显示,该地区的镉元素来源于外部人为源。
Transient electromagnetic is a time-domain detection method which is built on the basis of the principle of electromagnetic induction. It detects the underground geological body by analyzing, extracting and studying inspired geological information in response to artificial electromagnetic source. 瞬变电磁方法是一种建立在电磁感应原理基础上的,通过分析提取并研究人工源激励下地质体的响应信息,达到探测地下地质体目的的时间域人工源电磁探测法。
Artificial seismic signal is inspired by the artificial source; it is highly controllable and repeatable. These characteristics are the main difference between artificial source and natural seismic. 人工地震信号是一种由人工源激发出的探测信号,具有很强的确定性、可控性和可重复性,这些特性是人工震源与天然地震之间的本质区别。
Artificial feeding was important source of food for the introduced badgers. During the study, the feeding in the feeding spot for adult badger was observed. 人工补饲为引入狗獾重要的食物来源,研究期间对于成年狗獾在补饲点的取食情况进行了四季的观察研究。
Time domain electromagnetic method, also known as transient electromagnetic method, based on electromagnetic induction is based on the principle of time-domain electromagnetic artificial source detection method. 时间域电磁法又称瞬变电磁法,是一种建立在电磁感应原理基础上的时间域人工源电磁探测方法。
Seismic radar built using artificial seismic source can help people observe underground state and structure initiatively; it has major significance for detecting underground structures and changes, understanding the mechanism of disasters, and studying physical forecast of earthquake. 以人工震源构建地震雷达,从被动观测变为对地下状态和结构的主动探查,对于探测地下结构及其变化、认识灾害机理、探索地震的物理预测等,都有重要的意义。
This device takes advantage of the evaporation in vacuum and the condensations in pressure, artificial disturbance source, destroy the boundary layer, reducing the boundary layer thickness and so on, to strengthen heat transfer in the system. 装置充分利用了负压汽化和正压凝结,人为设置扰动源,破坏边界层,减小边界层厚度等方法,强化系统传热。
Substitute traditional artificial cold heat source with natural cold and hot resource, to building of energy saving, arrange carbon dioxide have a great meaning energy-conservation. 用天然冷热资源替代传统的人工冷热源,对建筑节能和减排二氧化碳都有重大的意义。
Using an artificial optical radiation source, generally laser, to illuminate the small dark target can increase the energy of reflected signal. 采用一个人造光学辐射源(通常为激光器)对小暗目标实施照射,以增加返回信号的光能。