查询词典 dicyandiamide

Theoretical analysis and testing results demonstrated that Viton, a new substitute of the former plasticizer, could noticeably improve its performances, which has been proved as the important improvements of the mixture. Due to the favorable thermochemistry performance, dicyandiamide can act as a good combustion-rate regulator. The addition of antistatic agent can desirably increase the antistatic capability of the mixture, and the testing results showed that the performance of the improved mixture was excellent.

理论分析和测试结果均表明了以氟橡胶取代耐水点火药中原粘合剂将使药剂的各项性能有明显的改善，是耐水点火药改进的重要方面；双氰胺具有良好的热化学特性，作为耐水点火药改进中的燃烧速度调节剂具有很好的调速效果；抗静电剂的加入，进一步提高了药剂的抗静电能力，测试分析表明改进后药剂的性能更加优异。

According to the mass ratio of 5 to 1 between dicyandiamide and 2-ethyl-4-methyl imidazole, the curing system belongs to a mesothermal latent curing agent. The results show that curing products have good heat resisting property.

2所选用的固化剂体系由双氰胺和2-乙基-4-甲基咪唑组成，两者按5：1质量配比组成的体系属于中温潜伏型固化剂，环氧固化物具有良好的耐热性。

The results showed that granular urea amended with dicyandiamide and N- thiophosphoric triamide induced the highest soil nitrate-reductase activity, granular urea brought about the highest soil urease activity and microbial biomass C a...

结果表明，施用硝化抑制剂和脲酶抑制剂涂层大颗粒尿素肥料的土壤硝酸还原酶活性最高；施用大颗粒尿素，脲酶活性最强，微生物量碳、氮最高。

In a pot experiment with spring wheat and buckwheat as test crops and with thiophosphric triamide and dicyandiamide as test inhibitors, the transformation, regulation and residual effect of 〓N-labelled urea were studied.

采用〓N标记的尿素，以N-丁基硫代磷酰三胺和双氰胺为供试抑制剂，春小麦和荞麦分别为供试作物进行尿素N转化的调节及其残效盆栽试验。

Ningxia Lingyun Chemical Co., Ltd. main products: calcium carbide, lime nitrogen, dicyandiamide, melamine, and other chemical products.

宁夏凌云化工有限公司主要产品有：电石、石灰氮、双氰胺，三聚氰胺等化工产品。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。