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科研项目:大规模天然气液化成套技术方案研究——天然气脱氮现场试验及评价
天然气 液化技术 天然气脱氮 阮雪华
2023/3/1
大规模天然气液化成套技术方案研究——天然气脱氮现场试验及评价。
In Vitro Fabrication and Biocompatibility Assay of a Biomimetic Osteoblastic Niche
Osteoblasts Biomimetic niche Hematopoietic stem cell expansion Dynamic environment Cell function maintain
2023/3/1
A novel HAp-CS/Gel biomimetic osteoblastic niche was fabricated by freeze-drying, and its mechanical strength and biocompatibility were characterized. HAp-CS/Gel scaffolds in various ratios of 100:5, ...
The oxygen sensing mechanism of a triphenylamine-based cyclometalated platinum(II) complex
Oxygen sensing Luminescence mechanism Quenching
2023/3/1
Triphenylamine-based cyclometalated platinum(II) (TCP) emits phosphorescence at room temperature. The phosphorescence was quenched by oxygen molecule, which means that TCP is a good candidate for oxyg...
Development of decellularized meniscus extracellular matrix and gelatin/chitosan scaffolds for meniscus tissue engineering
Meniscus extracellular matrix compressive elastic modulus cytotoxicity
2023/3/1
Meniscus tissue engineering has provided a great potential treatment for meniscal injuries. However, few scaffolds in meniscus tissue engineering have matched the mechanical properties of native menis...
Effects of concentration variation on the physical properties of alginate-based substrates and cell behavior in culture
Alginate Cell encapsulation Gelatin
2023/3/1
Nowadays alginate capsules exhibit good biocompatibility and high permeability for nutrients and metabolic wastes making them appealing biomaterial for therapeutic cell encapsulation. Further study of...
A novel tissue-engineered 3D tumor model for anti-cancer drug discovery
decellularized porcine lung matrix breast tumor model biocompatibility CARS drug resistance
2023/3/1
Cancer biology and drug discovery are heavily dependent on conventional 2D cell culture systems. However, a 2D culture is significantly limited by its ability to reflect 'true biology' of tumor in viv...
3D Bio-Printing of CS/Gel/HA/Gr Hybrid Osteochondral Scaffolds
3D printing bio-ink graphene chitosan gelatin hyaluronic acid cartilage repair
2023/3/1
Cartilage is an important tissue contributing to the structure and function of support and protection in the human body. There are many challenges for tissue cartilage repair. However, 3D bio-printing...
基于过电位三次微分方程的电池预测模型
控制系统 动态估计 系统测量 最大似然集合滤波
2023/1/30
主要针对锂铁电池的过电位进行研究。通过在受控的环境温度、调整后的放电深度以及放电电流倍率的条件下进行多次充放电实验,从而采集动态电压变化数据,并提出了一种基于三次超势微分方程的预测模型。该模型能够以较少的参数预测电池带负荷电压的时间常数随时间的变化规律。同时,在此基础上提出了一套随电池老化而进行参数调整的方法。最终通过算例分析验证了该模型的有效性。
针对锂电池低荷电状态时输出变化大和模型参数辨识困难问题,提出一种基于三次样条插值法的建模与参数辨识方法。首先建立了含SOC动态的三阶3RC-3D等效电路模型,分析了低SOC时应用最小二乘法对不同模型参数进行辨识产生的误差。在此基础上,结合三次样条插值法的拟合特性和合适的边界条件,构造了三次样条插值函数,在SOC≤10%区间进行了模型各参数辨识,并拟合出了模型参数变化曲线。最后,将辨识后的模型参数曲...
面向直流操作电源系统的LiFePO4电池性能优化控制研究
磷酸铁锂电池 直流操作电源系统 性能优化 控制
2023/1/30
磷酸铁锂电池电压变化范围较宽且充放电特性敏感,一般不宜简单应用于需要长期处于浮充状态的直流操作电源系统。为此,提出了一种磷酸铁锂电池在直流操作电源系统应用中的优化控制方案,根据磷酸铁锂电池工作状态,利用AC/DC充电电源优化控制电池的充放电电流大小,使电池在浮充状态下获得电池期望的充放电电流,以实现磷酸铁锂电池在直流操作电源系统中的安全高效经济应用。