查询词典 tertiary

Objective To study the kidney toxicity and toxic mechanism induced by methyl tertiary-butyl ether lead free gasoline.

目的 了解甲基叔丁基醚无铅汽油对肾脏的毒性及毒作用机制。

Methyl tertiary butyl ether is a new gasoline additive, which is used to increase the combustion of gasoline and to reduce the emission of harmful exhausts from automobile.

甲基叔丁基醚是一种新型的汽油添加剂，被用来提高汽油燃烧效率，减少汽车尾气中有害物质的排放。

Objective To investigate the effects of methyl tertiary butyl ether on the FOS protein in central nervous system of the rats. Methods 54 SD healthy adult-rats weighed 180~220g were involved in this study.

目的 通过研究甲基叔丁基醚对大鼠中枢神经系统Fos蛋白的影响，探讨MTBE对中枢神经系统急性毒作用部位。

The exploration precision of petroleum system with the source rock as Tertiary should be improved,and also more attentions must be paid to the otherpetroleum system with the source rock as Mesozoic,Paleozoic and Mid-Upper Proterozoic.

以第三系为烃源岩的含油气层系的勘探精度仍有待于进一步提高，同时必须将以古生界、中生界和中上元古界为烃源岩的含油气层系作为今后挖潜的重要领域。

Thee seismic area is covered with the Basalt at Post-Tertiary Period.

震区被晚第三纪玄武岩覆盖，地面未发现第四纪活动断裂。

The mission of GNAT is to unify all teachers in pre-tertiary educational institutions and strive for better conditions of service and job security as well as enhance their professional status.

迦纳教师工会的使命是将所有会员教师的力量统整起来，争取更好的工作条件以及职业安全，同样地也要提升他们的专业地位。

Based on geological, gravity and magnetic, seismic, logging, physical properties of rocks and testing data, the spatial variation pattern of pre-Tertiary deep density in Dongying depression was established and geophysical inversion was carried out.

以地质、重磁、地震、测井、岩石物性及分析测试资料为基础，建立了东营凹陷前古近系深层密度的空间变化模式并进行了地球物理反演。

The result of MT data processing and inversion integrating geological and petrophysical data shows the existence of Paleozoic formations and is significant for the evaluation of pre-Tertiary oil/gas resources in the southern Huanghai basin.

通过对试验观测资料的处理和反演，并结合地质、物性资料进行综合分析，结果表明在南黄海盆地海底以下深部还存留有古生代地层，这对于南黄海前第三系含油气前景的评价具有重要意义。

There mainly develop 5 types of pre-tertiary structural style that are extension structure, compression structure, strike-slip structure, negative inversion structure and sliding structure in the Bohai Bay region.

渤海湾地区前第三系的这种构造样式分布格局可能是印支期华北板块与北部的西伯利亚板块、南部的扬子板块先后闭合碰撞以及燕山中、晚期滨太平洋构造域影响作用不断增强和深部岩石圈的大规模减薄作用的结果。

Pre-Tertiary oil reservoirs in the South Yellow Sea are old and deeply buried, and there are some difficult problems to be solved in the seismic explorations such as weak reflection energy, low signal-to-noise ratio and poor imaging quality.

南黄海前古近系油气储层时代老、埋藏深，地震勘探中仍存在反射能量弱、信噪比低和成像质量差等难题。

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％。