查询词典 gas engine

Comparing with the diesel sales in the market, this synthetic diesel oil has the following features: cetane number higher than 74; remarkably decrease the emission of greenhouse gas; no need to change and improve the diesel engine.

与市售柴油相比，合成柴油具有无色、无硫无芳的特点，而且油品能量密度较高、十六烷值均大于74，同时能显著减少温室气体的排放，尤其是合成柴油可直接被柴油发动机使用无需任何改装。

Interaction between a reversible engine and a reversible ideal gas Carnot cycle.

可逆热机和理想气体可逆卡诺循环的相互作用。

Performance of heat pipe for waste heat lithium-bromide refrigerator driven by exhaust gas of diesel engine;2. When refrigerator s and heat pumps run along Carnot cycle, their energy efficiency is highest.

对利用适宜的循环工质实现蒸气压缩式制冷热泵近卡诺循环进行了分析，包括基本思路、可行性分析、典型工质及其特性，并在相同设备条件和工作温度下，对近卡诺循环制冷热泵和普通循环制冷热泵(R22为工质)的效率进行了计算比较，最后对进一步需做的工作进行了探讨。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。