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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...
近日，中国科学院大连化学物理研究所催化基础国家重点实验室纳米与界面催化研究组（502组）包信和院士、傅强研究员和宁艳晓副研究员团队在负载纳米团簇催化剂的结构控制和微观表征方面取得新进展，利用金属—氧化物相互作用调控金属纳米团簇的尺寸与稳定性，揭示了载体氧化物表面氧原子p-带中心可用于定量描述金属—氧化物界面作用。
基于神经网络的动力电池单体电压差预测方法
动力电池 单体电压差 神经网络 预测方法
2024/3/12
针对动力电池单体电压差预测问题,基于神经网络算法建立单体电压差预测模型。将总里程、电池包电流、电池包电压、电池温度、SOC作为模型的输入,将单体电压差作为模型的输出,将电动汽车长里程道路试验采集的数据划分为训练集和测试集,用于模型的训练和测试。结果表明,用所提方法进行单体电压差预测时可使均方差仅为0.004%,可行性被验证。最后,用所提方法得到长里程下单体电压差的预测值,为动力电池单体电压差的定量...
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
2024/3/12
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...