利用率

Were 9.93 %-16.27 % lower than that of normal urea. Compared with the normal urea, the volatilized ammonia rate of BCCU was reduced to

物k和氮素利用率分别提高12.8 %-24.1 %和10.50%-16.99 % o 结论1竹炭片尿素中氮素不仅具有一定的缓释性能，还具有一定的

A new production process is proposed,in which the acid sludge is removed and the pickling liquor is neutralized once with lime milk after defluorination .

工业试验结果表明，新工艺能使磷矿石中磷的利用率由现有工艺的近60%提高到85%以上，脱氟液中磷氟质量比由240左右提高到300以上，产品收率提高20%以上，产品质量也大大提升，并显著降低了原料消耗及生产成本。

Based on the technology of exhaust gas recirculation, a new method for increasing thermal efficiency of a diesel hot air stove from a greenhouse was proposed.

针对目前使用的温室柴油热风炉存在的热利用率低和排放污染问题，提出了利用废气再循环技术来提高柴油热风炉热效率的方法，并研制出一种适用于温室内应用的全数字式智能监控柴油热风炉 EGR热交换设备，并阐明了其结构及工作原理。

Experiments of bioremediation and control were conducted with the alkali meadow grass planted in saline soil for 3 years. Contrasted with control group, topsoil desalination rate was up to 77.00%; pH value decreased 0.25 pH unit; soil bulk density decreased 0.14 g/m^3; total porosity increased by 5.29%; soil aggregate structure increased by 23.14%; soil water content increased 70.30 g/kg; average triennial alkali grass yield was 36000 kg/hm^2. In addition, planting forage in saline soil as a medium and establishing a compound agro-forestry-animal system promoted the sound combination of planting industry, forestry, and livestock husbandry. Because of the reasons, utilization ratio of land reached more than 184.00%; the income of land increased from 16300 to 35500 yuan/hm^2 average income per farmer in the controlling region increased by 66.00%, from 2160.70 to 1300.80 yuan.

生物修复与调控试验研究表明，草甸盐土经种植碱茅草3a，耕层土壤与对照相比脱盐率达77.00%，pH值下降了0.25个单位，容重降低0.14g/立方公尺，总孔隙度增加5.29%，团粒结构增加了23.14%，自然含水量增加70.30g/kg.3年生碱茅草平均产草量36000 kg/hm^2；盐化耕地采用以种植牧草为中介，将种植业与农区林业、畜牧业有机结合成互相依存，互相促进的农林牧复合生物系统治理后，土地利用率可达184.00%以上，可获得16300~35500元／hm^2的经济收入，治理区农户人均纯收入由1300.80元增加到2160.70元，增加了66.00%。

Simulation results show that it can balance the load on each link more equably, reduce the transmission delay, increase the throughputs of network and reduce the packet loss rate. So it optimizes the utilization of network resources and improves the performance of network.

仿真结果显示该算法能很好地均衡网络各链路之间的流量负载，同时可以降低链路上数据传输的延时，增加网络的吞吐量，并使网络的丢包率明显减少，从而优化了网络资源的利用率，改善了网络的整体性能。

The success rate of mining is up to 99% and with little waste of stone ballast and dust and pollution reduction.

日开采量50～100立方，成本85元/立方，开采石材的成品率99％以上，极大的提高自然利用率，开采产生的石渣、灰尘少，大大降低污染程度。

When the molar ratio of H2O2 to benzyl alcohol was 0.9, the conversion of benzyl alcohol was 86.2%, the H2O2 efficiency was 95.8% and the selectivity to benzaldehyde was not less than 99%.

当H2O2与苯甲醇的物质的量比为0.9时，苯甲醇的转化率为86.2%，H2O2的利用率为95.8%，苯甲醛的选择性≥99%。

Confirming of price in the algorithm considers the packet loss rate and the block rate in call admission of variety flow. It can ensure the system QoS performances and improve the utility of the system.

算法中价格的确定以适应各类流的丢包率指标和接入阻塞率指标为基础，得到了可以保证系统QoS性能并且可以提高系统的利用率的价格机制。

Senior experts said high-pressure boiler tubes, the current scale of mineral resources exploration and development is heavily dependent on government investment and the administrative examination and approval, resulting in generation of mining enterprises to explore mining resources, a serious shortage of investment in exploration, and resource utilization rate and the decline found.

资深高压锅炉管专家表示，目前的矿产资源勘探和规模开发严重依赖政府投入和行政审批，导致矿业企业以采代探，资源勘探方面投入严重不足，进而带来资源发现率和利用率下降。

With the rapid development of boiler unit and the scale and capacity to high-parameter and large capacity in fossil fuel power plant,in order to protect the unit running safety,requirements for certificates of coal is also growing.How to improve the utilization of space,reduce area and the amount of soil,saving the investment of equipment,reasonable and necessary optimization for coal storage system in engineering design,without reducing the reliability of coal handling system and the security of coal suppl...

随着火力发电厂锅炉机组和规模容量向高参数、大容量的快速发展，为确保电厂运行安全，要求电厂的储煤量也越来越大，如何提高场地的利用率，缩小占地面积，降低土石方量，节约设备投资，在工程设计中对贮煤系统进行合理和必要的优化，同时又不降低输煤系统的可靠性和机组供煤安全，是国内现代化火力发电厂储煤场设计中所面临的现实问题。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐