Desulphurization system has certain influence for the efficiency of ESP after its operation and the fume emission density can not be passed.
脱硫系统投运后对电除尘器效率有一定影响，烟尘排放浓度不能达标。
Test and research work is carried out on engine test bench to survey the effect of gum content in gasolene upon gasolene engine power and harmful exhaust gas emission density.
在发动机试验台上进行了汽油中胶质含量对汽油机动力性和有害气体排放浓度影响的试验研究。
Being a novel functional material, the ferroelectric cathode materials were studied well with the leaded materials for their high electron emission density.
铁电阴极材料，作为一种新型的功能材料，以其高的发射电流密度等优点而受到重视。
Being a novel functional material, the ferroelectric cathode materials were studied well with the leaded materials for their high electron emission density.
铁电阴极材料，作为一种新型的功能材料，以其高的发射电流密度等优点而受到重视。
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