查询词典 contamination

Despite reassurances from cloud-seeding companies, concerns remain about exposure to silver iodide toxicity and soil contamination .

尽管人工降雨公司很放心，社会仍然很担心碘化银的毒性和土壤污染问题的曝光，其他安全问题更加透明。

The permanent magnets are now mouthed at the exterior of the high-pressure vessel and are no longer in contact with the fluid sample. So this construction of equipment decreases the contamination of each other. Concerning the temperature-control system, the present instrument employs one non-vibrating new technology. In the high pressure systems, a simple and fast high-pressure pump was used to generate hydraulic pressure. This equipment is more easy to control than the literature\'s methods. A digital lock-in amplifier has been used as sinusoidal current function generator and the induced signal detector.

本文对振动丝粘度密度仪在设计方案上进行了大量改进，把磁体从高压容器的内部移植到容器的外部，提高了容器的化学适应性，采用了无振动的恒温新技术，利用了方便快捷的加压方式，极大的方便了实验的进行，减少了实验的工作量，用数字Lock-in锁相放大器作为驱动信号发生器和诱导信号检测器，设备既简单又极大地提高了信号的检测灵敏度。

Objective To study the slipper contamination in operation room.

目的研究手术室拖鞋污染的情况。

A robe or smock worn in operating rooms and other parts of hospitals as a guard against contamination.

手术服在手术室里和医院的其他地方为防止感染或传染而穿的长袍或罩衫。

This article carry out soaking experiments of contamination dissolution releasing regularity of coal gangue with different efflorescence degree of Xinqu strip mine.

论文对新邱露天矿不同风化程度的煤矸石在不同固液比条件下溶解释放污染物的规律进行了浸泡实验研究。

We conducted a greenhouse experiment to test this hypothesis by using invasive Solidago canadensis and native Kummerowia striata as model plant species under lead contamination.

本研究借助於温室试验，通过入侵物种加拿大一枝黄花和本地物种鸡眼草的单作和混植试验，证验了这一假说。

On the media containing 0.02 and 0.04 g/L potassium sorbate, the contamination rates of explants were 87% and 97% resp. The bacteriostatic effect of 0.02 g/L potassium sorbate was obviously better than that of its other concn.

在含0.02和0.04 g/L山梨酸钾的培养基上外植体的污染率分别为87%和97%。0.02 g/L山梨酸钾的抑菌效果明显好于其他浓度。

Its main role is: prevention and remediation of water, air, sound pollution and solid contamination, water supply and sewerage engineering design, the design, research and development of new technology and new equipment.

其任务是掌握水、气、声、固体污染物的防治和治理、给排水工程设计、环境管理与修复以及环保领域新理论、新工艺和新设备的设计、研究和开发。

A large portion of this contamination is derived from the typical spatter generated during the process.

这种污染大部分来源于在焊接过程中产生的典型飞溅。

H. ?4 C# V S+ X NZ Centre for Business Ethics director Rodger Spiller said there was a lot of interest in how Fonterra would deal with the contamination issue.

{ e株洲网论坛新西兰商业道德规范中心主任罗杰·斯皮勒说，恒天然如何处理这场污染事件有不少有意思的地方。

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％。