基础油

Based on the former works by our group, the variable induction devices including swirl and tumble variable devices were developed and the variable induction and twice injection were combined to optimize the lean burn combustion and improve fuel consumption and emissions in this thesis.

本文在课题组前面研究工作的基础上，设计了可变涡流与可变滚流两种滑动式可变进气结构，并将可变进气与二次喷油结合起来优化稀薄燃烧过程，改进发动机经济性与排放性能。

Some authors proposed that the analyses of transfer cycles of high frequency base level and key surface correlation could be used to correlate isochronal strata.

在前人提出的高频基准面转换旋回分析和关键界面对比分析来确定等时性的基础上，以板中东油田板2油组水下冲积扇沉积为例，就湖盆内事件沉积的特点，提出可以结合洪泛面和事件沉积界面以及异旋回和自旋回来进行高分辨率层序地层的对比研究。

Shandong Bohi Oils and Fats Industry Co., Ltd. is mainly engaged in the production and processing of grain, oil, cottonseeds and other major agricultural products. Based on daily processing capacity of 2500 tons of soybean, 1500 tons of cotton seed and 1000 tons of refined cooking oil, we have set up another base in Qingdao Port, one of the biggest ports for transshipment of cereal in the north of China, with processing capacity of 6000 tons/day soybean and 1000 ton/day refined cooking oil. Backed up on abundant resources in the Yellow River Delta area, our cotton linter processing plant is under construction which has an expected annual output of 120,000 tons of pulp and 100,000 tons of viscose fibre.

山东渤海油脂工业有限公司主要从事粮、油、棉籽等大宗农产品的生产加工，在现有80万吨大豆加工、12万吨食用油加工能力的基础上，又在青岛建设了年加工大豆200万吨，年产精炼油18万吨型粮油加工基地；山东雅美纤维有限公司主要经营植物浆粕、粘胶纤维的生产加工，凭借黄河三角洲丰富的棉短绒资源，年产12万吨浆粕、10万吨粘胶纤维。

The preservation conditions of oil-gas reservoir about rift-subsidence basins inc lude tectonic evolution of basin, sealing histor y of faults after the accumulation of oil and gas, tectonic uplift and denudatio n, magmatic activity,dynamics of ground water, seal of cap rocks, a nd seal of the major faults, etc.

以盆地构造演化史研究为基础，对成藏期以后断裂的封闭史、构造抬升剥蚀、岩浆活动、地下水活动、盖层封闭和控油断层封闭进行了定性和定量分析，总结了断陷盆地油气藏保存条件的研究内容和以模糊评判为主的评价方法。

Like many Malthusian beliefs, peak oil theory has been promoted by a motivated group of scientists and laymen who base their conclusions on poor analyses of data and misinterpretations of technical material.

像许多马尔萨斯主义观点一样，产油高峰期理论是由一批受到利益驱动的科学家和门外汉鼓吹的，其结论建立对数据粗浅的分析和对技术资料的误判基础上。

Based on the experimental results obtained from an engine testing and on the pictures of combustion process by high speed photography,characteristics of the fuel spray formed by impinging on a pintle nozzle was investigated in the way of multiple sprays overlapping photography and a Malvin analyzer for drop size and distribution.

在前期发动机台架实验和高速摄影实验的研究基础上，为进一步了解燃油束撞击法形成混合气及其在小型柴油机上实现直喷式燃烧的机理，用多次喷雾叠加摄影技术以及马尔文激光粒子分析仪对带挡块的轴针式喷油器的喷雾过程进行了研究。

Millikan Oil Experiment of modern physics experiments is a classic experimental basis, its laboratory equipment simple and effective, ingenious ideas and methods concise, accurate data and measured results of stability, is a well-known interesting experiment.

密立根油滴实验是近代物理实验中一个经典的基础实验，其实验设备简单而有效，构思巧妙并且方法简洁，测得数据精确且结果稳定，是一个著名的有启发性的实验。

The numberical simulation of sucker-rod pumping systems is a mathematical method based on wave eguation to analyse the behavior of the systems.

有杆抽油系统的数值模拟是以波动方程为基础研究系统工作动态的数学方法。

In addition, the trajectories of oil droplets entering the hydrocyclone were computed by using the Particle Obit model. Thereby the separation efficiency of the hydrocyclone can be obtained.

另外，本文用颗粒轨道模型计算了进入水力旋流器的油滴颗粒运动轨迹，在此基础上，得出了水力旋流器的分离效率曲线。

The principle of combustion of flat oil flame with low-pressure atomizing air has been studied here and so a relevant oil burner has been developed.

在理论分析的基础上，提出了在低压雾化条件下实现重油平火焰燃烧的原理，并研制了相应的新型油烧咀。

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。