石油

Article 22 shall be renumbered as Article 21 and amended as:"The personnel needed in oil exploitation operations may be agreed upon in the oil contract, and the operators may give preference to Chinese citizens in employment."

十、将第二十二条改为第二十一条，修改为：石油合同可以约定石油作业所需的人员，作业者可以优先录用中国公民。

Article 27 shall be renumbered as Article 26, and the "departments or units authorized by the State Council shall give a warning for correction within a prescribed time limit" shall be amended as the "departments designated by the State Council shall order the acts to be corrected within a prescribed time limit and give warnings", the "CNPC" shall be amended as the "Chinese oil companies".

十二、将第二十七条改为第二十六条，这条中的&国务院授权的部门或者单位可以给予警告、责令限期改正&修改为&由国务院指定的部门依据职权责令限期改正，给予警告&；&中国石油天然气总公司&改为&中方石油公司&。

Objective:The purpose of the experiment was to study the carcinogenic and mutagenic effects of petroleum asphalt.

目的：研究石油沥青有无致突变和致癌作用。方法：选用大鼠经口急性毒性试验、Ames试验、小鼠经口微核试验、大鼠气管注入及兔经皮涂抹致癌试验，研究石油氧化及直馏沥青的急性毒性以及致癌和致突变作用。

Methods Acute oral toxicity test, subchronic inhalation toxicity test and mutagenicity test were conducted to observe the effects of petroleum asphalt in experimental animals.

方法通过石油沥青急性经口毒性、亚慢性吸入毒性及遗传毒性的实验研究，观察在该实验条件下，石油沥青对受试动物的影响。

It is found that modified asphalt added 4 percent SBS is able to improve high-temperature stability, low-temperature anti-cracking performance and high-temperature susceptility of petroleum asphalt,which is enough to satisfy the performance stand.

结果表明，石油沥青中添加 4 %SBS可以明显改善石油沥青的高温稳定性、低温抗裂性和感温性，使其基本满足铺路沥青的要

Used only for China's annual oil bitumen membrane roofing repairs up to 240 million ㎡, petroleum asphalt binder by 27 million tons, repair cost of over 1.2 billion.

我国每年仅用于屋面修缮的石油沥青卷材达2.4亿㎡，石油沥青胶结材达27万吨，修缮费用超过12亿元。

Bap concentrations in petroleum asphalt were determined using the high-performance liquid chromatographic technique.

Bap含量，石油沥青仅含0.0004％～0.0008％，而煤焦沥青中含0.46％。结论：石油沥青急性经口属微毒物质，在常温及非高温加热融化情况下，不具有动物致癌作用。

Main scope of company business is: supply petroleum engineer service, technology service of gas layer, technical consultation, supply human resources of petroleum technology.

公司的主要业务范围是：提供石油工程技术服务、煤层气层技术服务、技术咨询、提供石油技术人力资源。

He worked with Shell Petroleum Company as an engineer and later retired to private practice as a consultant and formed an oil sevicing company.

Reymond Beck先生生于1944年，他是壳牌石油公司的工程师，后来退休自己干，成立了石油服务公司。

Trained as a petroleum engineer, Mr. Imle has held various technical and management posts in exploration and production, including responsibility for Unocal's worldwide oil and gas operations and company president.

Imle先生出身于石油工程师，曾经担任过勘探和开采方面各种技术以及管理职位，包括负责Unocal公司全球的石油和天然气运营的职务以及公司总裁。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。