查询词典 sound lab

The field of alternative stress was generated through a strong sound field system set up in our lab, and the thermodynamic properties of cells were studied by Differential Scanning Calorimeter. We found that the effects of stress on cells depended greatly on the intensity and frequency of stress.

研究了交变应力对烟草愈伤组织细胞的影响，采用本实验室研制的强声波发生装置来产生交变应力场，并利用差式扫描量热仪研究了不同强度和频率的交变应力作用后烟草细胞热力学相行为的变化。

The improved experiment device of interference of sound wave can feel the interference countervail and strengthening of sound in ordinary lab, and measure the sound velocity.

本文给出了改进声波干涉实验装置的具体方案，该改进装置可在普通实验室内感受声音的干涉相消和干涉加强现象，并能测定声速和频率。

This paper has presented the types and distribution characteristic of the Quaternary glacial deposits on the west side of the Yulong Mountains, which was an important task for the selection and optimization of the Yunnan-Tibet railway line in Northwest Yunnan. Based on lab test of physics and mechanics, the results of engineering properties of moraine/outwash rocks, including the cement composition and their cementation, stability in water, mechanical property, and sound spreading velocity, etc., have been reported, which can not only enrich the research contents of rock mechanics, but also have important practical value for railway construction and water power development in mountain regions.

结合滇藏铁路滇西北段线路比选和优化工作，对云南玉龙雪山西麓第四纪冰川堆积物的类型和分布特征进行了详细的野外调查；在室内物理力学试验的基础上，着重研究了冰碛砾岩的胶结物成分与胶结作用、水稳性、力学性质、声波速度等方面的特性，这不仅可以丰富现代岩石力学的研究内容，而且对本区铁路工程建设和水力资源的开发具有重要的实际价值。

Its total assets is 1.2 billion CNY, owning advanced large and middle sized bridge and transportation equipments and more than 2000 sets of detecting instruments that were introduced from America, Japan, Germany, Norway, etc. It also owns the first class of provincial Centre Lab, with sound quality monitoring means, and with an annual productivity value of more than 4 billion CNY.

现有总资产达12亿元，拥有从美国、日本、德国、挪威等国家进口的具有当今世界先进水平的各种大中型路桥和运输机械设备以及检测仪器2000多台，拥有省一级的中心试验室，质量监控手段完备，年生产能力达40亿元以上。

The ventilation and sound attenuation system are introduced to the standard building acoustic sound insulation lab to meet the requirement of sound power level measure of chair outlet′s airflow noise for China National Grand Theater.

为测量国家大剧院座椅下送风风口气流噪声声功率级，对已有的标准建筑隔声实验室的接收室进行改造，引入通风系统，同时进行消声处理。

About 50 years ago, Dr. Peterson and associates worked in the lab and found that sound corks do not transmit oxygen.

大约50年前，彼得森博士和同事在实验室中工作，发现健全的瓶塞不传输氧气。

Therefore, the research on the character of the sound field and the cavitation field in the sonochemical reactor is vital for making certain the optimum condition of reaction, increasing sonochemical rate and promoting the sonochemistry transitted from lab scale to industry.

对准平面波入射时，反应器内置入圆柱形扩散体后的辐射声场进行了理论研究，知道圆柱形扩散体对改善反应器内的驻波特性使其均匀有一定的效果。 3、设计并制作了简易水听器，分析和测试了水听器的各项性能。

From my company in November 2001 at the original foundation of a wireless public address system on the introduction of multi-media, operates mainly in the microphone, amplifier, speakers, sound reinforcement system frequency shift, are the sea or NT agent, BOKE audio Shaanxi total generation, at the same time We are in the wireless public address system on the basis of the introduction of multimedia, digital language lab systems engineering project.

我公司从 2001 年 11 月在原有无线扩音系统的基础上推出多媒体，主要经营话筒，功放，音箱，移频扩声系统，是海之升西北地区总代理，BOKE音响陕西总代，同时我们在无线扩音系统的基础上推出多媒体，数字化语音室工程系统工程。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。