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四硝基酞菁铁的制备及其在聚氨酯薄膜改性中的应用

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化学世界 2014年第6期55卷 341-344页

作者：陈炜题杨陈大俊东华大学材料科学与工程学院上海201620

以4-硝基邻苯二甲腈、氯化铁为原料、DBU为催化剂,在DMAc溶液中,采用液相微波辐照法合成了四硝基酞菁铁(Fe-TNPc),通过核磁共振氢谱、红外光谱、紫外可见光谱表征了产物的结构。进一步采用溶液共混方法,将其与聚氨酯共混,制得聚氨酯共... 详细信息

以4-硝基邻苯二甲腈、氯化铁为原料、DBU为催化剂,在DMAc溶液中,采用液相微波辐照法合成了四硝基酞菁铁(Fe-TNPc),通过核磁共振氢谱、红外光谱、紫外可见光谱表征了产物的结构。进一步采用溶液共混方法,将其与聚氨酯共混,制得聚氨酯共混薄膜。抗菌性能评价发现,加入四硝基酞菁铁的聚氨酯共混膜均具有良好的抗菌效果。

关键词：四硝基酞菁铁聚氨酯共混薄膜力学性能抗菌性

电晕电场对细枝岩黄芪种子愈伤组织诱导与分化的影响

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核农学报 2010年第4期24卷 748-751页

作者：那日杨生邢万金杨体强内蒙古自治区离子束生物工程重点实验室内蒙古呼和浩特010021 内蒙古大学物理科学与技术学院内蒙古呼和浩特010021 中国农业科学院草原研究所内蒙古呼和浩特010010 内蒙古大学生命科学学院内蒙古呼和浩特010021

研究了不同电场剂量处理细枝岩黄芪种子对其愈伤组织诱导率和分化率的影响。结果表明,电场处理可以明显提高愈伤组织诱导率和分化率。电场强度为7kV/m,处理时间为100min,诱导培养基为MS+2,4-D 2.0mg/L+6-BA 1.0mg/L时出愈率可达91.0%,... 详细信息

研究了不同电场剂量处理细枝岩黄芪种子对其愈伤组织诱导率和分化率的影响。结果表明,电场处理可以明显提高愈伤组织诱导率和分化率。电场强度为7kV/m,处理时间为100min,诱导培养基为MS+2,4-D 2.0mg/L+6-BA 1.0mg/L时出愈率可达91.0%,且生长情况较好,褐变程度轻。在MS+2,4-D 2.0mg/L+6-BA1.0mg/L诱导培养基上继代培养后的各愈伤组织分别转移到分化培养基上进行分化培养,当电场强度为7kV/m,时间为100min时分化率最高,达到78.3%。

关键词：细枝岩黄芪电晕电场愈伤组织诱导分化

Characteristics and stability of oxide+carbonitride in H13 steel at 1250℃

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Journal of Iron and Steel Research(International) 2024年第1期31卷 134-142页

作者： Xiao-lin Sun Han-jie Guo Jing Guo Fei Wang Dong Xu Gao-yang Song Shuai Wang School of Materials Science and Engineering Hebei University of EngineeringHandan056038HebeiChina School of Metallurgical and Ecological Engineering University of Science and Technology BeijingBeijing100083China High Temperature Materials Research Institute Central Iron and Steel Research Institute Co.Ltd.Beijing100081China Technology Innovation Center for High Quality Cold Heading Steel of Hebei Province Hebei University of EngineeringHandan056038HebeiChina

The morphology,size,quantity,and composition of complex oxide+carbonitride in H13 steel held at 1250℃for 5,10,and 15 h were *** results show that the ratio and number of complex carbonitrides with cores in H13 steel are gradually increased when holding at 1250℃compared with those in the original H13 steel,and the core size *** are one or more oxide cores in(ti_(x),V_(1-x))(Cy,N_(1-y)),including xCaO·zAl_(2)O_(3),xCaO·yMgO·zAl_(2)O_(3),and CaO after holding at 1250℃,in addition to MgO·Al_(2)O_(3)and Al_(2)O_(3)in the original *** equilibrium temperature for(ti_(x),V_(1-x))(Cy,N_(1-y))precipitation at the solidification front and decomposition in the solid state was theoretically analyzed,which was affected by the x value and the product of ti and N contents in H13 ***,the composition of(ti_(x),V_(1-x))(Cy,N_(1-y))is influenced by the oxide *** is convinced that(ti_(x),V_(1-x))(Cy,N_(1-y))with oxide cores has a higher stability,especially for oxides with a high Al_(2)O_(3)*** treatment at high temperature facilitates a more reasonable analysis of oxide+carbonitride,and the generation mechanism of oxide+carbonitride was discussed.

关键词： Complex carbonitride Decomposition Oxide core Characteristic Stability

大明胶囊治疗高脂血症的网络药理学分析及分子对接验证研究

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中国医药科学 2023年第7期13卷 83-87页

作者：张越张卉青杨提徐春梅青岛市即墨区人民医院临床药学科山东青岛266200 广东省东莞市滨海湾中心医院临床药学科广东东莞523900 上海市浦东新区公利医院临床药学部上海200135

目的基于网络药理学方法分析大明胶囊治疗高脂血症的活性成分及其作用机制。方法通过中药系统药理学数据库与分析平台(TCMSP)检索并筛选大明胶囊的主要化学成分及靶点,通过GeneCards、DisGeNET及DrugBank数据库挖掘高脂血症靶点,取交集... 详细信息

目的基于网络药理学方法分析大明胶囊治疗高脂血症的活性成分及其作用机制。方法通过中药系统药理学数据库与分析平台(TCMSP)检索并筛选大明胶囊的主要化学成分及靶点,通过GeneCards、DisGeNET及DrugBank数据库挖掘高脂血症靶点,取交集得到大明胶囊治疗高脂血症的靶点。将上述靶点导入STRING数据库,构建PPI网络并挖掘网络中潜在的蛋白质功能模块;利用R语言ClusterProfiler GO.R插件对交集靶点进行GO和KEGG通路富集分析。利用Cytoscape 3.7.2软件构建“活性成分-疾病靶点-通路”网络图,并对网络进行拓扑学参数分析筛选活性成分及关键靶点。利用AutoDock Vina软件进行分子对接验证。结果共筛选得到大明胶囊活性成分70个,作用靶点196个,高脂血症相关靶点541个。大明胶囊治疗高脂血症的重点活性成分为山柰酚,核心靶点为HSP90AA1、NCOA2、AKT1、ADRB2、RXRA、TNF、NCOA1、PPARG、MAPK1、IL-6、IL-1β、ESR1。分子对接结果显示,山柰酚与核心靶点具有良好的结合能力。大明胶囊治疗高脂血症主要通过脂质和动脉粥样硬化信号通路、糖尿病并发症AGE-RAGE信号通路等,其功能主要为调节细胞内受体配体活动等过程。结论本研究初步阐明了大明胶囊治疗高脂血症多成分、多靶点、多通路的作用机制,为大明胶囊治疗高脂血症的中药药理学研究提供理论基础和参考依据。

关键词：大明胶囊高脂血症网络药理学靶点预测分子对接

Transition Metal/Lanthanide-Nitrogen Double Bonds Co-stabilized in a Carbon Cage

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Precision Chemistry 2024年第5期2卷 193-199页

作者： Zhanxin Jiang Ziqi Hu yang-Rong Yao Wenhao Xiang Xinyi Han Jinpeng Xin Huaimin Jin Shangfeng yang Key Laboratory of Precision and Intelligent Chemistry Collaborative Innovation Center of Chemistry for Energy Materials(iChEM)Department of Materials Science and EngineeringUniversity of Science and Technology of ChinaHefei 230026China

Metal−nitrogen double bonds have been commonly reported for conventional metal complexes,but the coexistence of both transition metal−nitrogen and lanthanide−nitrogen double bonds bridged by nitrogen within one compound has never been ***,by encapsulating a ternary transition metallanthanide heteronuclear dimetallic nitride into a C_(84) fullerene cage,transition metal−nitrogen and lanthanide-nitrogen double bonds are costabilized simultaneously within the as-formed clusterfullerene tiCeN@C_(1)(12)-C_(84),which is a representative heteronuclear dimetallic nitride *** molecular structure was unambiguously determined by single-crystal X-ray diffraction,revealing a slightly bentμ2-bridged nitride cluster with short ti−N(1.761Å)and Ce−N(2.109Å)bond lengths,which are comparable to the corresponding ti=N and Ce=N double bonds of reported metal complexes and consistent with the theoretically predicted values,confirming their coexistence within tiCeN@C_(1)(12)-C_(84).Density functional theory(DFT)calculations unveil three-center two-electron(3c-2e)bonds delocalized over the entire tiCeN cluster,which are responsible for costabilization of ti�N and Ce�N double *** electronic configuration of ti4+Ce^(3+)N^(3−)@C_(84)^(4−)is proposed featuring an intramolecular four-electron transfer,drastically different from the analogous actinide dimetallic nitride clusterfullerene(U_(2))^(9+)N^(3−)@C_(80)^(6−)and trimetallic nitride clusterfullerene(Sc_(2))^(6+)ti^(3+)^(N3−)@C_(80)^(6−),indicating the peculiarity of 4-fold negatively charged fullerene cage in stabilizing the heteronuclear dimetallic nitride cluster.

关键词： Fullerene metallofullerene transitionmetal lanthanide metal−nitrogen multiplebond

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《集韵》辑音指误

汉语学报 2024年第2期 121-128页

作者：遆亚荣岳利民湖北大学文学院 430062 中南林业科技大学涉外学院语言文化学院 410201

《集韵》源于《经典释文》之辑音存在大量讹误,其讹误可分为“折合注非其字之音切的辑音讹误”“折合非注音之音切的辑音讹误”“折合被注字或音注有错字之音切的辑音讹误”“折合音切出错的辑音讹误”四大类型。文章依次举例分析并指... 详细信息

《集韵》源于《经典释文》之辑音存在大量讹误,其讹误可分为“折合注非其字之音切的辑音讹误”“折合非注音之音切的辑音讹误”“折合被注字或音注有错字之音切的辑音讹误”“折合音切出错的辑音讹误”四大类型。文章依次举例分析并指明错误。

关键词：《集韵》《经典释文》辑音指误

Progress in processing of porous titanium:a review

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Rare Metals 2024年第5期43卷 1932-1955页

作者： Xiao-Li yang Xian-Feng Du Zhi-Lin Xu Zhong-Shuai Liang Li-Long Xiong Engineering Research Center of Energy Storage Materials and Devices Ministry of EducationSchool of ChemistryXi'an Jiaotong UniversityXi'an 710049China

As a novel structural and functional material,porous titanium and its alloys have been widely used in the aerospace,marine engineering and biomedical fields due to their high corrosion resistance,low density,good biocompatibility and excellent mechanical ***,in this paper,a comprehensive review of powder metallurgy(PM)(including additive manufacturing(AM)processes)for fabricating porous titanium is firstly covered in terms of their working principles,capabilities,shortcomings and ***,the influencing factors of various methods on final pore structure of porous ti are ***,a summary of the chemical methods(CM)to obtain the porous ti is also provided,such as dealloying method and reduction ***,the tendency and direction of preparation technology as well as application of porous titanium were prospected.

关键词： Porous titanium Powder metallurgy Chemical method Pore structure Processing process

Properties of ti-Based Hydrogen Storage Alloy

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Journal of Power and Energy Engineering 2024年第3期12卷 99-114页

作者： Rui Xu Tao Cheng Chaoyu Li Xue yang Junfeng Rong Sinopec Research Institute of Petroleum Processing Co. Ltd. Beijing China

An efficient and safe hydrogen storage method is one of the important links for the large-scale development of hydrogen in the future. Because of its low price and simple design, ti-based hydrogen storage alloys are considered to be suitable for practical applications. In this paper, we review the latest research on ti-based hydrogen storage alloys. Firstly, the machine learning and density functional theory are introduced to provide theoretical guidance for the optimization of ti-based hydrogen storage alloys. Then, in order to improve the hydrogen storage performance, we briefly introduce the research of AB type and AB2 type ti-based alloys, focusing on doping elements and adaptive after treatment. Finally, suggestions for the future research and development of ti-based hydrogen storage alloys are proposed. .

关键词： Renewable Energy Hydrogen Storage ti-Based Alloy Machine Learning

输注脂肪乳剂对伴高甘油三脂血症胰腺炎大鼠胰腺的影响

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中华实验外科杂志 2005年第9期22卷 1076-1077页

作者：杨体雄周亚魁武汉大学中南医院普通外科 430071

目的观察静脉输注脂肪乳剂对伴高甘油三脂(TG)血症胰腺炎大鼠胰腺的病理损害程度。方法SD大鼠静脉滴注蛙皮素(cerulein)诱导水肿性胰腺炎,静脉注射辛基苯基聚氧乙烯醚(TritonWR1339)诱导高TG血症。60只大鼠随机分为5组:A组(胰腺炎组);B1... 详细信息

目的观察静脉输注脂肪乳剂对伴高甘油三脂(TG)血症胰腺炎大鼠胰腺的病理损害程度。方法SD大鼠静脉滴注蛙皮素(cerulein)诱导水肿性胰腺炎,静脉注射辛基苯基聚氧乙烯醚(TritonWR1339)诱导高TG血症。60只大鼠随机分为5组:A组(胰腺炎组);B1组(轻度高TG血症+胰腺炎组);B2组(轻度高TG血症+胰腺炎+脂肪乳剂组);C1组(中度高TG血症+胰腺炎组);C2组(中度高TG血症+胰腺炎+脂肪乳剂组)。定期测定血清TG值,淀粉酶(AMS)值,测定胰腺湿重,腹水评分以及光镜观察胰腺组织病理损害程度。结果B2组血清TG值、AMS值,胰腺湿重测定,腹水评分及胰腺病理组织学评分与B1组比较差异无统计学意义;C2组血清TG值及AMS值均较C1组明显升高(P<0.05),胰腺湿重测定,腹水评分及胰腺病理组织学评分较C1组加重。结论伴高TG血症的胰腺炎大鼠,当其血清TG值达到一定程度≥(3.86±0.36)mmol/L时,静脉输注脂肪乳剂,将导致血清TG水平进一步升高,胰腺炎病理损害加重。

关键词：甘油三脂胰腺炎脂肪乳剂病理学水肿性胰腺炎高甘油三脂血症 SD大鼠静脉输注病理损害程度高TG血症