On the basis of a great deal of experiments and theoretical analysis , the influences of conditions on coating boron and agglomerating boron have been studied in this paper . the influences of agglomerated boron on processing of high boron - based fuel - rich solid propellants also have studied 本文在大量实验的基础上，对硼粒子的包覆和聚团工艺及其影响因素进行了深入系统的研究，并对制得的聚团硼粒子对推进剂的工艺和燃烧性能的影响进行了跟踪研究。
It is pointed out that the immersible pump - based fuelling process can realize the multi oil gun on the one pump basis under the condition of positive pressure , which makes the design of fuelling station more flexible and is a development tendency in modern fuelling station 指出采用自吸泵型加油机的加油工艺存在弊端，而采用潜油泵加油机的加油工艺，可以实现一泵多枪，油罐正压出油，技术先进，工艺简单，使加油站设计更加灵活，是现代化新型加油站的技术发展趋势。
4 . in order to further improve and raise storage , energy and combustion properties of boron - based fuel - rich solid propellant , while the present slurries of boron - based fuel - rich solid propellant can be cast and cured to form defect - free propellant grain , ap grading and metal fuels changing including variety and addition amount have been adjusted and investigated . the result shows that , after the adjustment , all the slurries can be cast to obtain structural perfect propellant grain which may be used to test various propellant properties 4 、为了使现有含硼推进剂的燃烧等性能进一步提高和改善，同时为了能使现有含硼推进剂药浆浇铸后得到结构完整性和均匀性更好的药柱，在2 、 3研究的基础上，对ap的级配、低燃点金属燃烧剂的品种和加入量等进行了较深入的研究，结果表明：这些组分进行调节后的各药浆的流平性变化均能满足浇铸要求，并制成能进行推进剂其它性能测试的小方坯。
On the basis of a great deal of experiments and theoretical analysis , rheologica ! properties of slurries on high boron - based fuel - rich solid propellants , and those of the formula containing varieties functional components , have been studied in details . one of aims is to determine the appreciate functional components for the propellant research and manufacture , in the same time , further raising boron content , improving combustion performances and so on 在大量实验和理论分析的基础上，对高含硼富燃固体推进剂药浆和加入多种功能组分后药浆的流变学特性进行了深入地研究，以期为高含硼富燃固体推进剂的研制和进一步提高含硼量、改善燃烧等性能选定有效的功能组分和提供含硼推进剂药浆工艺评价的流变学参数。
Based on the orthogonal experimental design , the representative formulae were distinguished from the formulae feasible in the process . according to these formulae , the propellant blocks or grains were produced . the relation of the formula of boron - based fuel - rich solid propellant and the combustion rates has been investigated by the experiments of determining the combustion rates of the blocks or grains through the strand burner method and observation from igniting on the air 5 、在研究了该基本配方工艺可行性的基础上，利用正交实验法筛选出几个有代表性的配方，分别制成了小方坯，通过在大气中点燃观察，用靶线法测试燃速以及dsc等实验，进行了含硼富燃固体推进剂配方及其燃烧性能改善的研究。
