查询词典 contamination

Facing the safety flying problems that appear during space autonomous proximity operations,we present a safety trajectory control strategy,which is based on space vectors,for solving both collision avoidance and plume contamination avoidance.

针对空间自主临近操作过程中的安全飞行问题，提出一种基于空间矢量的防碰撞和防羽流污染安全轨迹控制策略。

There was no obvious source in the Punjab that could account for such high levels of contamination.

而且在旁遮普邦也没有任何明显的来源能造成这么高浓度的铀污染。

In such predicaments, purging compounds can play an important role in managing contamination.

在这样的困境下，清洗化合物在污染物管理上会助你一臂之力。

Staphylococcal food poisoning is caused by the poison produced by the germs, and the usual source of contamination is a pustule or boil on the skin of a food-handler.

金黄色葡萄球菌食物中毒是由毒药所产生的细菌，和一般的来源，污染是一个脓疱或煮沸，对皮肤的食物处理程序。

With the reduction of SOM content and the elevation of contamination concentration, the difference between PHE and PYE decreases gradually, while B［a］PYE exhibits a significant difference from them. This could be attributed to the high lipophilicity and large molecular size of B［a］PYE, which make the molecule of B［a］PYE to be more easier to be held in the nanopores of clay and the dense region of SOM.

不同多环芳烃SPMD辅助解吸率差别很大，随着土壤有机质含量的降低，以及污染物浓度的提高，菲和芘的解吸差异逐渐缩小，而苯并［a］芘与上述2种多环芳烃的差异很大，主要是由于苯并［a］芘具有高度亲脂性，并且分子较大，造成其容易滞留在粘土的微孔及有机质的致密结构中。

Therefore, the rapid oxidation of pyrrhotite contributes to a great extent to the contamination of environment in tailings through the production of acid mine drainage AMD. In order to ...

为了阻止或降低磁黄铁矿的自然风化反应速度从而达到源头治理酸性矿山废水的目的，首先必须研究它在各种条件下的氧化机理、氧化产物和氧化速度。

The aim of radiation protection at nuclear power plants is to set up and to maintain effective defense against radiation hazard,and the main tasks are radiation dose control,radioactive contamination control and radioactive material control.

核电站辐射防护的目的是建立并维持对放射性危害的有效防御，其主要任务是辐射剂量控制、放射性污染控制和放射性材料控制三个方面。

Any possibility of contamination of the products by radionuclide from the source must be excluded.

从辐射源的辐射性材料污染或其他污染源污染产品的任何可能性必需被排除。

Kaifeng, the use of a skin care products have been exposed to microbial contamination in the environment and air oxidation, containing the active ingredient from the fresh beginning of a gradual loss of performance until rancidity spoilage.

当然不行！保养品一开封使用，已接触到环境中的微生物污染及空气氧化，内含的有效成分会从新鲜期开始逐渐失去效能，一直到酸败腐坏。

The reason for such widespread contamination is that MTBE is highly soluble in water and recalcitrant to biodegradation.

与此同时，由于MTBE具有很高的水溶性和难降解性，使用过程中的泄露带来了严重的污染问题。

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％。