unleaded gasoline是什么意思

用法例句

Analysis and measures on deterioration of fire-resistant oilness in electric and hydraulic control system;

EH高压抗燃油劣化分析及控制措施

Deterioration and replacing of Lubrication Oil for Automotive Engines;

汽车发动机润滑油的劣化和更换

Three deterioration factors of fire resistant hydraulic oil,temperature,water content and metal impurity were studied.

通过正交试验分析了温度、水分、金属杂质三因素对抗燃油劣化速度的影响 。

Effects of temperature,mass ratio of toluene to n-hexane especially additive on extractive capability of sulfolane before and after partial degradation were investigated.

采用气相色谱法测定环丁砜对甲苯的抽提能力,通过改变温度、甲苯与正己烷的质量比等实验条件,研究了添加剂对环丁砜劣化前后甲苯抽提能力的影响。

Analyses were done of steam turbine lubricating oil degradation and troubles in the oil supply system,finding out new ways to control oil quality degrading for automated steam turbine unit.

针对汽轮机润滑油劣化和油系统故障情况进行分析,找出了自动化汽轮机组中油品劣化控制的新方法。

The macromechanics parameters and the degradation law of these parameters are obtained.

首先根据隔河岩水电站边坡的特点,选择具有控制性影响的区域的岩体,建立数值模拟试验模型;接着采用卸荷岩体力学参数的分析方法,利用大型有限元分析程序ADINA对其进行反演分析,得出其宏观力学参数和这些参数的劣化规律。

It is known from the analysis and research on 162 roof-falling accidences occurring in coal mining roadway supported by bolts that the deteriorative combination of roof strata is the major reason that accounts for percent 66 of the total accidences.

通过对162起锚杆支护煤巷冒顶事故实例分析研究,顶板岩层组合劣化是引起冒顶事故的主要原因,占事故总数的66%。

Study on the Myofibril-Bound Seriner Protease of Modori and Its Inhibition in Big-Head Fish Surimi Production;

引起鳙鱼鱼糜凝胶劣化的丝氨酸蛋白酶及其抑制研究

Modori temperature of silver carp surimi and the effects of sodium chloride,water and soluble protein on modori were investigated.

以白鲢鱼糜为原料,在确定凝胶劣化温度的基础上,研究了食盐、水分和可溶性蛋白对凝胶劣化的影响。

The thermal degradation results indicated that the γ-Al2O3 coating film obviously enhanced the anti-thermal degradation property.

热劣化结果表明,BaAl12O19:Mn2+绿粉经Al2O3包膜处理后,抗热劣化性能得到了明显改善。

Considering the examination result,the deterioration depth and omission depth of concrete have a remarkable increase in connection with the age,and the amounts of change are 0.

试验结果表明,混凝土的劣化深度和脱落深度随时间推移有明显的增加,变化量在0。