Optimizing lecnological parameters for preparing calcium alginate-sodium carboxymethyl cellulose liquid core microcapsules by using electrostatic spray method;
静电喷雾法制备海藻酸钙-羧甲基纤维素钠液芯微胶囊的工艺选优
The hollow lead ingots were used to simulate the continuous casting slab with liquid core.
采用带有不同空芯的铅锭模拟带液芯的连铸坯,在四机架连轧机上平立交替轧制,形成连轧时停止轧制并反转退出轧件,测量各道次的压下、宽展、前滑和芯部的压合值,并计算出各道次的秒流量和延伸系数,借此研究该工艺的可行性及连轧时带液芯轧件的变形情况。
Trace formaldehyde was determined by the combination of liquid core waveguide(LCW,9 cm) and light intensity difference technique(△I),with an ultra bright red light emitting diode(LED)working as spectroscopic source and a photodiode as photodetector.
建立了一种测定痕量甲醛的新的长程吸收光谱法:采用超高亮红色发光二极管(LED)作光源,光电二极管作为光电检测器,9 cm液芯波导(LCW)管和光强差(ΔI)技术联用测定痕量甲醛。
A method was developed for the determination of trace nitrite in food by using the combination of liquid core waveguide(8 cm) and light intensity difference measurement(LCW-ΔI).
采用超高亮绿色发光二极管作光源,使用8 cm液芯波导管和光强差测量技术测定食品中的亚硝酸根。
Study on characteristics of liquid core reduction process in TSCR;
薄板坯液芯压下技术特性的研究
This paper analyzes the microstructure and mechanical properties of hot strip produced with compact strip production(CSP) technology,and discusses similarities and differences of liquid core reduction(LCR) and non-LCR for the concretion of slab.
通过对珠钢CSP(Compact strip production)在液芯压下LCR(Liquid core reduction)工艺和非液芯压下工艺条件下铸坯和成品板的室温组织进行对比研究,分析了连铸连轧过程中显微组织的变化过程,并探讨了CSP工艺生产LCR/非LCR工艺下组织细化的原因。
Liquid core reduction (LCR) in thin slab continuous casting is a novel continuous casting technology, which combines solidification with large plastic deformation, continuous casting with direct rolling in a single process.
薄板坯连铸液芯压下技术是一种融凝固与塑性变形,连铸和轧制于一体的新工艺。
Thin slab dynamic soft reduction is a core technique for thin slab continuous casting and has been successfully used in the production of thin slabs abroad and has obtained good results.
薄板坯连铸动态液芯压下技术是薄板坯连铸机的核心技术,国外已经成功应用于薄板坯连铸生产中,取得了良好的效果,目前我国还没有掌握。
Both soft reduction(SR) and electric-magnetic braking (EMBR) are effective measures.
着重说明液芯压下技术之机理,以及若干特性;涉及到速度、温度、凝固点、应力、能耗等,以及扇形段结构;分析了液芯压下之优缺点;指出应根据不同条件合理应用该技术。
The experiment result indicate:at the optimized condition,the cell concentration in the liquid-core capsules was increased to 10.
以乳清粉为基础培养基,适当补充碳源、氮源、无机盐,pH缓冲剂,对液芯包囊中的嗜热链球菌的浓缩培养进行了研究。