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Quantitative effect of kerogen type on the hydrocarbon generation potential of Paleogene lacustrine source rocks,Liaohe Western Depression,China

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Petroleum Science 2024年第1期21卷 14-30页

作者： sha.sha.hui Xiong-Qi Pang Fu-Jie Jiang Chen-Xi Wang Shu-Xing Mei Tao Hu Hong Pang Min Li Xiao-Long Zhou Kan-Yuan Shi State Key Laboratory of Petroleum Resources and Prospecting China University of Petroleum(Beijing)Beijing102249China College of geosciences China University of Petroleum(Beijing)Beijing102249China Exploration and Development Research Institute PetroChina Liaohe Oilfield CompanyPanjin 124010LiaoningChina

Kerogen types exert a decisive effect on the onset and capacity of hydrocarbon generation of source *** source rocks in the Liaohe Western Depression are characterized by thick deposition,high total organic carbon(TOC)content,various kerogen types,and a wide range of thermal ***,their hydrocarbon generation potential and resource estimation can be *** this study,geochemical tests,numerical analysis,hydrocarbon generation kinetics,and basin modeling were integrated to investigate the differential effects of kerogen types on the hydrocarbon generation potential of lacustrine source *** hydrocarbon generation and expulsion(HgE)models of different kerogen types were established quantitatively upon abundant Rock-Eval/TOC/vitrinite reflectance(R_(o))*** sets of good-excellent source rocks deposited in the fourth(Es4),third(Es3),and first(Es1)members of Paleogene sha.ejie Formation,are predominantly types I-II_(1),II_(1)-II_(2),and II-III,*** activation energy of types I-II_(2)kerogen is concentrated(180-230 kcal/mol),whereas that of type III kerogen is widely distributed(150-280 kcal/mol).The original hydrocarbon generation potentials of types I,II_(1),II_(2),and III kerogens are 790,510,270,and 85 mg/g TOC,*** Ro values of the hydrocarbon generation threshold for type I-III source rocks gradually increase from 0.42%to 0.74%,and Ro values of the hydrocarbon expulsion threshold increase from 0.49%to 0.87%.Types I and II_(1)source rocks are characterized by earlier hydrocarbon generation,more rapid hydrocarbon expulsion,and narrower hydrocarbon generation windows than types II_(2)and III source *** kerogen types also affect the HgE history and resource *** types(conventional,tight,and sha.e oil/gas)and three levels(realistic,expected,and prospective)of hydrocarbon resources of different members in the Liaohe Western Depression are *** suggest that t

关键词： Kerogen type Hydrocarbon generation potential Lacustrine source rocks Liaohe western depression

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A Web-like Three-dimensional Binder for Silicon Anode in Lithium-ion Batteries

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Energy & Environmental materials 2024年第1期7卷 21-27页

作者： Liyuan Li Tao Li Yifan sha.Baozeng Ren Lan Zhang Suojiang Zhang CAS Key Laboratory of green Process and Engineering Beijing Key Laboratory of Ionic Liquids Clean ProcessState Key Laboratory of Multiphase Complex SystemsInstitute of Process EngineeringChinese Academy of SciencesBeijing 100190China School of Chemical Engineering Zhengzhou UniversityZhengzhou 450001China Langfang green Industrial Technology Center Langfang 065001China Henan Key Laboratory of Energy Storage materials and Processes Zhengzhou Institute of Emerging Industrial TechnologyZhengzhou 450003China

Si anode is of paramount importance for advanced energy-dense lithium-ion batteries(LIBs).However,the large volume change as well as stress generates during its lithiation-delithiation process poses a great challenge to the long-term cycling and hindering its *** this work,a composite binder is prepared with a soft component,guar gum(gg),and a rigid linear polymer,anionic polyacrylamide(APAM).Rich hydroxy,carboxyl,and amide groups on the polymer chains not only enable intermolecular crosslinking to form a web-like binder,A2g1,but also realize strong chemical binding as well as physical encapsulating to Si *** resultant electrode shows limited thickness change of merely 9%on lithiation and almost recovers its original thickness on *** demonstrates high reversible capacity of 2104.3 mah g^(-1)after 100 cycles at a current density of 1800 ma g^(-1),and in constant capacity(1000 mah g^(-1))test,it also shows a long life of 392 ***,this soft-hard combining web-like binder illustrates its great potential in the future applications.

关键词： anionic polyacrylamide lithium-ion batteries Si anode thickness change web-like binder

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Towards a new avenue for rapid synthesis of electrocatalytic electrodes via laser-induced hydrothermal reaction for water splitting

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International Journal of Extreme manufacturing 2024年第1期6卷 340-351页

作者： Yang sha.Menghui Zhu Kun Huang Yang Zhang Francis Moissinac Zhizhou Zhang Dongxu Cheng Paul mativenga Zhu Liu Department of materials School of Natural SciencesThe University of ManchesterOxford RoadManchester M139PLUnited Kingdom Laser Processing Research Centre Department of MechanicalAerospace and Civil EngineeringSchool of EngineeringThe University of ManchesterOxford RoadManchester M139PLUnited Kingdom National graphene Institute The University of ManchesterOxford RoadManchester M139PLUnited Kingdom Department of Chemical Engineering and Analytical Science School of EngineeringThe University of ManchesterOxford RoadManchester M139PLUnited Kingdom Research Centre for Laser Extreme manufacturing Ningbo Institute of Materials Engineering and TechnologyChinese Academy of SciencesNingboPeople’s Republic of China

Electrochemical production of hydrogen from water requires the development ofelectrocatalysts that are active,stable,and low-cost for water *** address these challenges,researchers are increasingly exploring binder-free electrocatalytic integratedelectrodes (IEs) as an alternative to conventional powder-based electrode preparation methods,for the former is highly desirable to improve the catalytic activity and long-term stability for large-scale applications of ***,we demonstrate a laser-inducedhydrothermal reaction (LIHR) technique to grow NiMoO4nanosheets on nickel foam,which is then calcined under H2/Ar mixed gases to prepare the IE *** electrode exhibits superior hydrogen evolution reaction performance,requiring overpotentials of 59,116 and143 mV to achieve current densities of 100,500 and 1000 ma·*** the 350 h chronopotentiometry test at current densities of 100 and 500 m A·cm-2,the overpotentialremains essentially *** addition,NiFe-layered double hydroxide grown on Ni foam is also fabricated with the same LIHR method and coupled with IE-NiMo-IR to achieve water *** combination exhibits excellent durability under industrial current *** energy consumption and production efficiency of the LIHR method are systematicallycompared with the conventional hydrothermal *** LIHR method significantly improves the production rate by over 19 times,while consuming only 27.78%of the total energy required by conventional hydrothermal methods to achieve the same production.

关键词： electrocatalytic electrode laser-induced hydrothermal reaction NiFe layered double hydroxides hydrogen evolution reaction water splitting energy consumption production rate

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梓醇调节RIP1/RIP3/MLKL信号通路对急性心肌梗死大鼠坏死性凋亡的影响

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中国临床药理学杂志 2024年第14期40卷 2063-2067页

作者：李海莎彭慧如罗辉谭文婷李曾长沙市第一医院心功能室湖南长沙410005 长沙市第一医院心内科湖南长沙410005 长沙市第一医院传染病科湖南长沙410005

目的探究梓醇(CAT)对急性心肌梗死(AMI)大鼠坏死性凋亡的影响。方法用结扎左冠状动脉前降支的方法构建大鼠AMI模型。将60只SPF级SD雄性大鼠随机分为假手术组(sha.组)、AMI模型组(Model组)、低剂量CAT组(CAT-L组,30 mg·kg^(-1) CAT)、... 详细信息

目的探究梓醇(CAT)对急性心肌梗死(AMI)大鼠坏死性凋亡的影响。方法用结扎左冠状动脉前降支的方法构建大鼠AMI模型。将60只SPF级SD雄性大鼠随机分为假手术组(sha.组)、AMI模型组(Model组)、低剂量CAT组(CAT-L组,30 mg·kg^(-1) CAT)、高剂量CAT组(CAT-H组,60 mg·kg^(-1) CAT)和高剂量CAT+RIP1激活剂重组RIP1组[CAT-H+rRIP1组,60 mg·kg^(-1) CAT+8μg·kg^(-1)重组大鼠受体相互作用蛋白激酶-1(rRIP1)],每组12只。CAT采取灌胃给药,每日1次,共给药4周。rRIP1采取尾静脉注射,隔天给药,共4周。sha.组、Model组分别灌胃和尾静脉注射等量的0.9%NaCl。CAT-L组、CAT-H组灌胃的同时需隔天尾静脉注射0.9%NaCl。TUNEL染色法观察大鼠心肌细胞凋亡情况。蛋白质印迹法检测大鼠心肌组织RIP1/RIP3/MLKL信号通路相关蛋白的表达。结果sha.组、Model组、CAT-H组和CAT-H+rRIP1组大鼠的心肌细胞凋亡率分别为(4.23±0.63)%、(33.48±3.94)%、(13.50±1.86)%和(29.62±3.08)%,心肌组织RIP1蛋白相对表达水平分别为0.21±0.02、0.86±0.09、0.43±0.04和0.72±0.07,RIP3蛋白相对表达水平分别为0.30±0.03、0.94±0.09、0.49±0.05和0.83±0.08,MLKL蛋白磷酸化水平分别为0.35±0.04、1.13±0.11、0.64±0.06和0.97±0.10。Model组上述指标与sha.组比较,CAT-H组的上述指标与Model组和CAT-H+rRIP1组比较,在统计学上差异均有统计学意义(均P<0.05)。结论CAT可能通过下调RIP1/RIP3/MLKL信号通路抑制AMI大鼠心肌细胞的坏死性凋亡。

关键词：梓醇受体相互作用蛋白激酶-1/受体相互作用蛋白激酶-3/混合谱系激酶结构域样蛋白信号通路急性心肌梗死坏死性凋亡

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Excess properties and spectroscopic studies for binary system polyethylene glycol 600 + dimethyl sulfoxide at T =(298.15, 303.15,308.15, 313.15, and 318.15) K

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Chinese Journal of Chemical Engineering 2017年第9期25卷 1249-1255页

作者： Liang ma Feng sha.Xianshu Qiao Qiang Li Jianbin Zhang College of Chemical Engineering Inner Mongolia University of Technology

The work presents density(ρ) and viscosity(η) data of binary system polyethylene glycol 600(PEg) + dimethyl sulfoxide(DMSO) over the entire concentration range at T =(298.15, 303.15, 308.15, 313.15 and 318.15) K and atmospheric pressure. On the basis of density and viscosity values, the excess properties of PEg(1) + DMSO(2) mixtures, including excess molar volume(V_m^E), viscosity deviation(Δη), excess free energies of activation(Δg^(*E)), and isobaric thermal expansion coefficient(αp), were calculated. At the same time, in order to conjecture the density viscosity under different conditions, the density and viscosity data were fitted with the corresponding formula. The calculated results of V_m^E, Δη, and Δg^(*E) were fitted with the Redlich–Kister equation to derive coefficients and estimate the standard deviations(σ) between the experimental and calculated values. Moreover, the intermolecular interaction of PEg with DMSO was discussed on the basis of FTIR and UV–Vis spectral results of PEg(1) + DMSO(2) mixtures. The results indicated that there were the hydrogen bonding and interactions of hydroxyl hydrogen atoms in PEg with oxygen atoms in DMSO.

关键词： Density Viscosity Excess property PEg600 Dimethyl sulfoxide

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电吸附处理重金属离子的研究进展

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现代化工 2024年第2期44卷 47-51,57页

作者：翟作昭张利辉王晓磊任斌许跃龙王莎莎刘振法河北省科学院能源研究所河北石家庄050081 河北粤海水务集团有限公司河北石家庄050081 河北省污水治理与资源化技术创新中心河北石家庄050081

从电吸附技术的基本原理入手,总结了电吸附处理Cu2+、Pb2+、Cr6+、Cd2+等重金属离子的研究进展,对电吸附处理重金属的未来进行了展望,指出了电吸附处理重金属离子研究目前存在的一些缺陷,并提出了电吸附处理重金属离子走向工业化需要解... 详细信息

从电吸附技术的基本原理入手,总结了电吸附处理Cu2+、Pb2+、Cr6+、Cd2+等重金属离子的研究进展,对电吸附处理重金属的未来进行了展望,指出了电吸附处理重金属离子研究目前存在的一些缺陷,并提出了电吸附处理重金属离子走向工业化需要解决的问题。

关键词：重金属废水电吸附水处理技术工业化

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Control of Negative gravitropism and Tension Wood Formation by gibberellic Acid and Indole Acetic Acid in Fraxinus mandshurica Rupr. var. japonica maxim Seedlings

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Journal of Integrative Plant Biology 2006年第2期48卷 161-168页

作者： sha.Jiang Yi-Fan Li Xu-hui Chen Ke Xu College of Life Sciences Nankai University Tianjin 300071 China

In the present study, we Investigated the role of glbberelllc acid （gA3） and Indole acetic acid （IAA） In the gravity response of stems and tension wood formation using two-year-old stems of Fraxinus mandshurica Rupr. var. Japonica maxim seedlings. Forty-five seedlings were used and divided Into nine groups that Included five seedlings In each group. Seedlings were treated with applications of gA3 alone at concentrations of 2.89×10^-8 and 2.89×10^-7 μmol/L, IAA alone at concentrations of 5.71×10^-8 and 5.71×10^-7 μmol/L, or their combination to the apical bud of the stem using a mlcroplpette. Seedlings were positioned horizontally after the first treatment. The same treatments were repeated six times per week. At the end of the experiment, all seedlings were harvested. Then, stem segments were cut under a light microscope. Application of exogenous gA3 at the higher concentration stimulated the upward bending of stems, whereas exogenous IAA had no effect. A synergistic effect of gA3 and IAA on upward stem bending was observed following application of the two combinations of gA3 and IAA. Moreover, application of exogenous gA3 at the higher dose stimulated wood formation on both the upper and lower sides of the stems, whereas the mixture of gA3 and IAA had a synerglstic effect on wood formation In horizontal stems. Application of exogenous IAA alone at the lower concentration （5.71×10^-8 μmol/L） or application of a mixture of the higher concentrations of gA3 （2.89×10^-7 μmol/L） and IAA （5.71×10^-7 μmol/L） Inhibited the development of gelatinous fibers （the g-layer） of tension wood on the upper side of the horizontal stems. The differentiation of gelatinous fibers of tension wood was not Inhibited by gA3 when It was applied alone, whereas the development of the gelatinous fibers of tension wood was strongly affected by the application of IAA. The findings of the present study suggest that the development of the g-layer Is not related to the dose of gA3, but needs a relat

关键词： Fraxinus mandshurica gibberellic acid indole acetic acid interaction negative gravitropism tension wood.

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Effects of Astragalus Polysaccharide on Mechanical Characterization of Liver Sinusoidal Endothelial Cells by Atomic Force Microscopy at Nanoscale

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Chinese Journal of Integrative Medicine 2018年第6期24卷 455-459页

作者： LU Wen-liang LI Juan-mei YANg Jiao XU Chen-guang ZHANg sha.sha.YAN Jie ZHANg Ting-ting ZHAO hui-hui Department of Liver Diseases Guang'anmen Hospital China Academy of Chinese Medical Sciences Beijing 100053 China Department of Traditional Chinese Medicine The First People's Hospital of Huzhou Huzhou Zhejiang Province 313000 China Department of Traditional Chinese Medicine The First People's Hospital of Yuhang District Hangzhou 311100 China Department of Traditional Chinese Medicine Ningxia People's Hospital Yinchuan 750021 China

Objective： To study the effects of Astragalus polysaccharide （APS）, the primary effective component of the Chinese herb medicine Astragalus membranaceus （frequently used for its anti-hepatic fibrosis effects）, on nanoscale mechanical properties of liver sinusoidal endothelial cells （SECs）. Methods： Using endothelial cell medium as the control, 5 experimental groups were established utilizing different concentrations of APS, i.e. 12.5, 25, 50, 100, and 200μg/mL. By using atomic force microscopy along with a microcantilever modified with a silicon dioxide microsphere as powerful tools, the value of Young＇s modulus in each group was calculated. SAS 9.1 software was applied to analyze the values of Young＇s modulus at the pressed depth of 300 nm. Environmental scanning electron microscopy was performed to observe the surface microtopography of the SECs. Results： The value of Young＇s modulus in each APS experimental group was significantly greater than that of the control group： as APS concentration increased, the value of Young＇s modulus presented as an increasing trend. The difference between the low-concentration （12.5 and 25 μg/mL） and high-concentration （200μg/mL） groups was statistically significant （P〈0.05）, but no significant differences were observed between moderate-concentration （50 and 100μg/mL） groups versus low- or high-concentration groups （P〉0.05）. Surface topography demonstrated that APS was capable of increasing the total area of fenestrae. Conclusions： The values of Young＇s modulus increased along with increasing concentrations of APS, suggesting that the stiffness of SECs increases gradually as a function of APS concentration. The observed changes in SEC mechanical properties may provide a new avenue for mechanistic rasearch of anti-hepatic fibrosis treatments in Chinese medicine.

关键词： liver sinusoidal endothelial cell atomic force microscope Astragalus polysaccharide Young's modulus nanoscale Chinese medicine

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人参皂苷Rg1抑制舌鳞状细胞癌增殖和转移能力的作用机制研究

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中国临床药理学杂志 2024年第13期40卷 1888-1892页

作者：李雪翟莎菲马新扬王丹杨柴娟周芳张佳西安医学院口腔医学院口腔正畸学教研室陕西西安710021 西安医学院口腔医学院口腔组织病理学教研室陕西西安710021 西安医学院口腔医学院口腔修复学教研室陕西西安710021 西安医学院口腔医学院口腔颌面外科学教研室陕西西安710021

目的研究人参皂苷Rg1(gS-Rg1)抑制舌鳞状细胞癌(TSCC)增殖和转移能力的作用,以及相关的作用机制。方法用1.25、2.5、5.0和10.0μmol·L^(-1)的gS-Rg1处理TSCC细胞CAL-2748 h后,用细胞计数试剂盒-8(CCK-8)法检测不同浓度细胞的增殖能力,... 详细信息

目的研究人参皂苷Rg1(gS-Rg1)抑制舌鳞状细胞癌(TSCC)增殖和转移能力的作用,以及相关的作用机制。方法用1.25、2.5、5.0和10.0μmol·L^(-1)的gS-Rg1处理TSCC细胞CAL-2748 h后,用细胞计数试剂盒-8(CCK-8)法检测不同浓度细胞的增殖能力,并计算gS-Rg1作用CAL-2748 h的IC_(50)值。TSCC细胞CAL-27分为对照组和gS-Rg1组,分别用0.9%NaCl和IC_(50)浓度的gS-Rg1处理对照组和gS-Rg1组48 h。用流式细胞仪检测各组细胞周期分布情况,用Transwell实验检测各组细胞转移能力。构建TOP/FOP Flash质粒,转染对照组和gS-Rg1组,用荧光素酶实验检测gS-Rg1对TSCC细胞CAL-27中wnt/β-连环蛋白(wnt/β-catenin)信号通路活性的影响。用wnt/β-catenin通路抑制药XAV939处理gS-Rg1组细胞(XAV939+gS-Rg1组),及wnt/β-catenin通路激活药HLY78处理gS-Rg1组细胞(HLY78+gS-Rg1组),检测gS-Rg1组、XAV939+gS-Rg1组和HLY78+gS-Rg1组细胞中wnt/β-catenin信号通路活性、细胞增殖能力、细胞周期分布以及转移能力变化,用蛋白质印迹法检测各组细胞中wnt/β-catenin信号通路相关蛋白β-catenin及其下游细胞周期相关分子细胞性骨髓细胞瘤原癌基因(cMYC),细胞周期蛋白依赖性激酶4(CDK4)和细胞周期蛋白D1(cyclinD1)及转移相关蛋白钙黏蛋白E(E-cadherin)、N-钙黏蛋白(N-cadherin)和基质金属蛋白酶2(MMP-2)的表达。结果gS-Rg1显著抑制TSCC细胞CAL-27的增殖能力(PgS-Rg1作用CAL-2748 h的IC_(50)值为(5.46±1.58)μmol·L^(-1)。对照组和gS-Rg1组g0/g1分别为(60.65±2.16)%和(71.20±2.38)%,细胞穿膜数分别为(87.33±7.51)和(50.67±3.21)个,荧光素酶活性分别为1.00±0.02和0.35±0.06,在统计学上差异均有统计学意义(PgS-Rg1组相比,XAV939+gS-Rg1组细胞中wnt/β-catenin信号通路活性、细胞增殖能力和转移能力均显著降低(均Pg0/g1期细胞增多(PgS-Rg1组细胞结果相反。结论gS-Rg1下调wnt/β-catenin信号通路抑制TSCC细胞增殖和转移能力。

关键词：人参皂苷Rg1 舌鳞状细胞癌增殖转移 wnt/β-连环蛋白信号通路

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Protective Effect and Mechanism of Kuntai Capsule on Angiotensin II-Induced Hypertension in Ovariectomized Rats

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Chinese Journal of Integrative Medicine 2023年第6期29卷 526-533页

作者： gE Xiao-fen LI sha.sha.LIU Yan-hua LU Mei-qiu SU hui-na YANg Xin SUN Xiao-wan Department of Obstetrics and gynecology Peking University People's HospitalBeijing(100044)China Department of Obstetrics and gynecology Dongying People's HospitalDongyingShandong Province(257000)China

Objective To explore the protective effect and mechanism of Kuntai(KT)Capsule on angiotensin II(Ang II)-induced hypertension in ovariectomized(OVX)*** Fifty-four rats were randomly divided into 6 groups according to a random number table,9 in each group:control,OVX sha.+Ang II,OVX,OVX+Ang II,OVX+Ang II+E2,and OVX+Ang II+*** rats model was constructed by retroperitoneal bilateral *** 4 weeks of pretreatment with KT Capsule[0.8 g/(kg·d)and 17-β-estradiol(E2,1.2 mg/(kg·d)]respectively,Ang II was injected into a micro-osmotic pump with a syringe to establish a hypertensive rat *** pressure of rat tail artery was measured in a wake state of rats using a non-invasive *** pressure changes were compared between the intervention groups(OVX+Ang II+KT,OVX+Ang II+E2)and the negative control group(OVX+Ang II).Serum malondialdehyde(MDA)level and superoxide dismutase(SOD)activity were detected *** expressions of oxidative stress-related protein superoxide dismutase2(SOD2)and anti-thioredoxin(TRX),autophagy marker protein[beclin1,light chain(LC)3 II/I ratio and autophagy canonical pathway protein phosphatidylinositol 3-kinase(PI3K)/serine/threonine kinase(AKT)-mammalian target of rapamycin(mTOR)]were evaluated by Western *** Compared with the OVX+Ang II group,the systolic blood pressure of OVX+Ang II+KT group was significantly lowered(Pgnificantly reduced in the OVX+Ang II+KT group compared with the OVX+Ang II group(Pmarkers MDA and SOD were down-and up-regulated in the OVX+Ang II+KT group,respectively(Pg II group,the levels of cardiac proteins beclin-1 and LC3II/LC3 I in OVX+Ang II+KT group were also up-regulated(Pgulated(P<0.05).Conclusion KT could protect blood pr

关键词： Kuntai Capsule Chinese medicine perimenopausal hypertension angiotensin II

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