查询词典 decrepitation

Hydrogen Decrepitation has been used as an efficient and economical method in producing coarse NdFeB powder.

研究了氢对Nd-Dy-Fe-B磁体制作过程的影响，主要包括氢对HD磁粉的氧化和对其后烧结磁体磁性能的影响。

The homogeneous temperature, decrepitation temperature, major element compositions and volatile components of the inclusions were determined.

详细本文首次对冲绳海槽的浮岩和玄武岩中矿物的包裹体进行了系统的分析研究。

In all the methods of catalysts preparation, sol-gel process drying by high temperature decrepitation could achieve the best catalyst.

而在浸渍法和几种溶胶—凝胶法中，使用溶胶—凝胶法并使用高温烧爆法干燥的催化剂取得了最高的产量。

And hydrogen decrepitation , which can be used to shorten the production period, to decrease the cost and to improve the magnetic properties, is widely studied.

烧结NdFeB系永磁材料在当前工业生产中获得了广泛的应用，而氢破碎作为一种粗破碎手段，由于具有生产周期短、生产成本低和可提高磁体性能等优。。。

The moving direction of the ore—forming fluids is studied by means of decrepitation temperature in the Shihu gold deposit.

运用爆裂法测温在石湖金矿进行成矿流体运移方向的研究。

By direct microscopic observations of thin section of Inada granite in the heating process, decrepitation temperature of fluid inclusions in quartz and feldspar was determined to be in a range from 170℃ to 550℃, and thermal microcracking due to the decrepitation of the fluid inclusions was ascertained.

通过常温及高温显微镜观察，查明了稻田花岗岩中流体包裹体的初始分布状态，并发现在高温条件下，由于流体包裹体的爆裂而导致花岗岩中微小裂纹的形成。

The anti-oxidant enzymes including SOD, POD and CAT and MDA, which is one of the oxidant products, and IAA and ABA, which were relative to earliness but not to decrepitation of the short-season upland cotton, were studied.

为解决棉花育种中普遍存在的早熟早衰问题，研究了与短季棉早熟不早衰有关的抗氧化系统酶包括超氧化物岐化酶SOD、过氧化物酶POD 和过氧化氢酶CAT，氧化产物之一丙二醛性MDA，以及生长素IAA 和脱落酸ABA在不同类型短季棉品种中不同生长发育时期的变化规律和遗传特性。

The main progressing of this study is followed:The key process parameters of manufacturing sintered NdFeB magnets, such as strip casting, hydrogen decrepitation process, jet-milling process, orientation and pressing process, sintering and annealing process are investigated.

主要有以下进展：研究了烧结NdFeB永磁材料制备过程中一些关键的工艺步骤，如速凝铸带工艺、氢爆工艺、气流磨制粉工艺、取向成型工艺、烧结与回火热处理工艺等对磁体的磁性能、力学性能和显微组织的影响。

By using both the hydrogen decrepitation and double-alloy processes to avoid soft magnetic Laves phase,we prepared N35AH sintered Nd-Fe-B permanent magnet with ultra-high coercivity,which can be used at temperature up to 240℃.

现在汽车驱动电机、水力风力发电机、压缩机电机、船舶用大功率推进电机等领域对高使用温度烧结Nd-Fe-B磁体的需求日益增长，所以提高烧结材料的耐热性成为当今钕铁硼行业的主要研究方向之一。

There are α-β change apex in the decrepitation curve from auriferous quartz vein and Au-bearing altered fracturing zone orebodies.

蚀变岩型矿体石英爆裂曲线不出现α-β转变峰，反映其形成温度低于石英转变峰的温度，应与侵入岩浆无明显密切关系。

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。