用XRD、SEM及激光粒度分析等手段对所制各级化硼粉体进行研究。
The t-BN powder was analyzed by XRD, SEM and laser granularity analyzer.
考察了格氏试剂的溶剂、反应物盐酸吡啶和三溴化硼对脱甲氧基收率的影响。
The effects of solvent of Grignard reagent, pyridine hydrochloride and boron tribromide on yield of product were investigated.
六方氮化硼是一种片状结构材料,解决其烧结致密化问题是提高陶瓷性能的主要途径。
Hexagonal nitride boron is laminate structure ceramic materials. Solving the sintering densification problem is the main method to improve the ceramic performance.
通过实验,建立了一整套低硼钢中固溶硼、碳硼化物、合金元素硼化物、氧化硼和氮化硼的分离、测定方法。
A entirely set of method to separate and determine solid solution boron, carbon boride, alloy elements boride, boron oxide and boron nitride in low boron steel is established.
化容系统的功能:维持主系统的水装量,控制主冷却剂的化学性能和调节主系统的硼浓度。
The chemical and volume control system functions to maintain the coolant inventory, to control the coolant chemistry and to adjust the boron concentration of the reactor coolant system.
一般选用结晶水较多的硼化物、锌化物及氢氧化铝、氢氧化镁。
Generally choose gesso more boron hydrates, zinc carbide and aluminum hydroxide, magnesium hydroxide.
研究以硼化物为耐磨相的新型耐磨白口铸铁的组织特点与力学性能。
The microstructure and mechanical properties of a new type wear-resistant white cast iron with the boride as wear-resistant phase were investigated.
考察了凝胶硅硼比、碱度、碱金属离子、添加晶种、老化时间和晶化时间对晶化产物的影响。
The effect of boron to silica molar ratio, basicity, alkali cations, seeds, aging and reaction time on the crystallization was investigated.
在真空烧结炉中通过原位反应液相烧结工艺制备出三元硼化物基金属陶瓷覆层。
Ternary boride based cermet cladding material was prepared by in situ reaction and liquid phase sintering technology in vacuum furnace.
本文就反应硼化烧结法的理念,新型硬质合金的种类、性能和应用做综述。
The concept of reaction boronizing sintering technique, properties, kinds and applications of new type cemented carbide are reviewed.
研究采用铸渗法制备三元硼化物硬质合金覆层钢基材料。
The preparation of ternary boride hard alloy cladding layer on steel substrate is studied.
本文重点研究了这种针状硼化物的形成机理及其影响因素。
Otherwise, a kind of needle-shaped boride will appcar on the surface of specimen.
一些处理参数会导致在硼化物层上形成硼-碳层,它将起着扩散垒的作用,阻止了硼化物进一步的生长。
Some treatment parameters led to boron carbon coating above the boride layer which ACTS as a diffusion barrier and prevents a further growth of the boride layer.
反应硼化烧结法制备的三元复合硼化物基新型硬质合金,具有优良的物理、化学、力学性能。
New type cemented carbide of ternary complex boride base prepared by reaction boronizing sintering technique has excellent physical, chemical and mechanical properties.
试验表明:硼化无灰分散剂合成工艺简单,产品质量稳定。
The test showed that the synthetic technique is simple with stable product quality.
碳纤维是硼化钛涂层材料的增强剂之一,对硼化钛阴极涂层的性能影响很大。
The carbon fiber is the main reinforcer for titanium diboride coating material, and greatly influence the properties of titanium diboride coating cathode.
结果表明,真空渗硼预处理不仅可以有效的消除或控制钴在金刚石沉积时的不利影响,而且,还显著粗化硬质合金基体表面。
The results showed that the vacuum boronizing pretreatment method effectively reduced the diffusion and mobility of Co in the substrates and obviously roughened the surface of the cemented carbide.
由于微粒中元素分布的不均匀性,其晶化产物有异于相近成分的传统条带铁镍硼金属玻璃的晶化产物。
The crystallization product is different from that of traditional amorphous ribbon with the similar composition because of the heterogeneous distribution of elements in particles.
针对海卤水沉淀反应过程中氢氧化镁对硼化物的吸附现象以及树脂法对卤水脱硼进行了研究。
The removal of boron in brine was researched, in which magnesium hydroxide produced in seawater or brine and resin were adopted respectively.
探讨了热浸扩散渗铝复合渗硼中的硼化物的形成机理及硼的迁移机制。
The mechanism of both forming boride and transferring of boron in the aluminized and then boromized layer were discussed.
该压裂液体系以低聚合多羟基醇为稠化剂,有机硼为交联剂,合成了一种释酸剂作破胶剂。
In the system, a polyhydroxy alcohol with low molecular mass is used as thickener, organic boron as crosslinker, and a synthesized acid releaser as gel breaker.
其中活性硼原子对渗层生长速率的贡献大于气态硼化物分解的硼原子。
It is proved that the activated boron atoms decomposed by boriding medium are more than those decomposed by gaseous boride.
对利用硼泥生产轻质碳酸镁课题进行工业化研究。
Industrialization of producing light magnesium carbonate from boron mud was studied.
在同样的氧化条件下,六硼化铈在空气中比六硼化镧容易氧化。
It seems that cerium hexaboride is more easily oxidized than lanthanum hexaboride under the same oxidation conditions.
文中叙述了HL - 1m托卡马克硼化真空紫外光谱区杂质辐射的观测结果。
This paper, results of VUV impurity radiation measured in the boronization experiment on the HL-1M Tokamak are given.
采用真空液相烧结法,在Q 235钢表面制备三元硼化物基金属陶瓷覆层材料。
A ternary boride cermet clad material was fabricated on the Q235 steel substrate by means of the vacuum liquid phase sintering technique.
以高铁酸钡为正极材料,二硼化钛为负极材料,碱性氢氧化钾溶液为电解质构成了一次性碱性电池。
Primary alkali battery was constituted with cathode of barium ferrate, anode of titanium diboride and KOH solution as electrolyte.
以高铁酸钡为正极材料,二硼化钛为负极材料,碱性氢氧化钾溶液为电解质构成了一次性碱性电池。
Primary alkali battery was constituted with cathode of barium ferrate, anode of titanium diboride and KOH solution as electrolyte.
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