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Defence Technology（防务技术） 2023年第8期26卷 23-38页

作者： Zhi-yong Li you-song xue Bao-zhong Sun Bo-hong Gu Shanghai Frontier Science Research Center for Modern Textiles College of TextilesDonghua UniversityShanghai201620China

Hybrid composite materials combine different fibers in preform and take advantages of different mechanical behaviors for improving ballistic impact damage *** we report ballistic impact damages of plain-woven laminates with different hybrids and stacking *** kinds of hybrid laminates,i.e.,carbon/Kevlar,carbon/ultra-high molecular weight polyethylene(UHMWPE),and UHMWPE/Kevlar,had been prepared and tested in ballistic penetration with fragment simulating projectiles(FSP).The residual velocities of the projectiles and impact damage morphologies of the laminates have been obtained to show impact energy absorptions for the different hybrid schemes.A microstructural model of the hybrid laminates had also been established to show impact damage mechanisms with finite element analysis(FEA).We found that the UHMWPE/Kevlar hybrid laminates with Kevlar layers as the front face have the highest energy absorption capacity,followed by the carbon/Kevlar hybrid laminates with carbon layers as the front *** main damage modes are fiber breakages,matrix crack and interlayer *** ballistic damage evolutions from the FEA results show that the major damage is shear failure for front layers,while tension failure for the back *** expect that the ballistic impact performance could be improved from the different hybrid schemes.

关键词： Hybrid laminates Ballistic impact damages Energy absorption Finite element analysis(FEA)

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党的十八大以来全面从严治党的实践与经验

理论探讨 2017年第4期 132-137页

作者：陈松友李雪吉林大学马克思主义学院长春130012

党的十八大以来,以习近平同志为核心的党中央面对世情、国情、党情的深刻变化,为进一步净化党内政治生态,保持党的先进性和纯洁性,推进党的建设的新的伟大工程,提出了全面从严治党的重大战略思想。全面从严治党,以坚定理想信念、严明党... 详细信息

党的十八大以来,以习近平同志为核心的党中央面对世情、国情、党情的深刻变化,为进一步净化党内政治生态,保持党的先进性和纯洁性,推进党的建设的新的伟大工程,提出了全面从严治党的重大战略思想。全面从严治党,以坚定理想信念、严明党的纪律、狠抓作风建设、构建制度笼子以及高压惩治腐败等作为主要实践抓手,取得了新的显著成效,赢得了人民群众的满意,并积累了丰富的管党治党经验,为开创党和国家事业新局面打下了坚实基础。

关键词：中国共产党全面从严治党治党经验

Effects of Shenqi Xiangyi granules in advanced gastric cancer chemotherapy

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World Journal of Gastrointestinal Oncology 2025年第1期17卷 169-175页

作者： Xiao-Jing Shi Yu song xue-xue Liang Ting Chen Huang-Yu Hao xue Han Ya-Nan Chen Department of Oncology Zhangjiagang First People's HospitalSuzhou 215600Jiangsu ProvinceChina

BACKGROUND Owing to the absence of specific symptoms in early-stage gastric cancer,most patients are diagnosed at intermediate or advanced *** a result,treatment often shifts from surgery to other therapies,with chemotherapy and targeted therapies being the primary options for advanced gastric cancer treatment.A total of 116 patients with advanced gastric cancer,admitted from January 2021 to December 2023,were selected and divided into two groups of 58 each using the random number table *** control group received FOLFOX4 chemothe-rapy(oxaliplatin+calcium+folinate+5-fluorouracil)combined with intravenous *** observation group received the same treatment as the control group,supplemented by oral administration of Senqi Shiyiwei *** groups underwent treatment cycles of 3 weeks,with a minimum of two *** therapeutic efficacy,immune mechanisms,and treatment-related toxicity and side effects were compared between the *** objective remission rate in the observation group(55.17%)was higher than that of the control group(36.21%)(P0.05).CONCLUSION Adjuvant therapy with Shenqixian granules may enhance the efficacy of simudizumab combined with FOLFOX4 chemotherapy in advanced gastric cancer and the immune function by increasing immune cell counts,making it a valuable option in clinical treatment.

关键词： Sindilizumab FOLFOX4 chemotherapy Advanced gastric cancer Ginseng Qi Xiangyi granule Clinic treatment

Hidex 300SL液闪装置测量低水平氚水活度的参数优化

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核化学与放射化学 2016年第1期38卷 43-46页

作者：宋有学李永明刘国伟王亭亭中国工程物理研究院四川绵阳621908

Hidex 300SL是基于三管符合计数/两管符合计数(TDCR)方法绝对测量低水平氚水活度的液闪装置。本工作基于该装置对标准非淬灭氚水样品进行测量研究,明确了系统的探测效率与TDCR的关系;讨论了该装置的测量模式、符合时间等参数对计数率、... 详细信息

Hidex 300SL是基于三管符合计数/两管符合计数(TDCR)方法绝对测量低水平氚水活度的液闪装置。本工作基于该装置对标准非淬灭氚水样品进行测量研究,明确了系统的探测效率与TDCR的关系;讨论了该装置的测量模式、符合时间等参数对计数率、衰变率和TDCR的影响;并对仪器的运行参数进行选择优化,在"H-3"测量模式及35ns的符合时间窗下,系统对3 H的探测效率达73.2%,衰变率稳定性好于0.47%;最后对空气本底样品进行测量,评估了该装置对氚水样品的探测下限,为后续环境低水平样品的精确测量提供有益参考。

关键词： Hidex 300SL TDCR 3 H 参数优化

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双脉冲技术在换热器管束检测中的应用

质量技术监督研究 2017年第1期 2-6页

作者：林彤汪文有朱学松福建省特种设备检验研究院福建福州350008 美国物理声学公司(PAC)北京代表处北京100029 国能中特检测科技有限公司北京100020

文中论述了目前换热器管束检测方法,介绍双脉冲检测技术的检测原理,提出双脉冲检测技术的对比优势。采用双脉冲技术包括超声脉冲技术(UPR)与声脉冲技术(APR)对换热器管束的缺陷进行全面的检测分析。通过检测数据和结果分析,得到缺陷的... 详细信息

文中论述了目前换热器管束检测方法,介绍双脉冲检测技术的检测原理,提出双脉冲检测技术的对比优势。采用双脉冲技术包括超声脉冲技术(UPR)与声脉冲技术(APR)对换热器管束的缺陷进行全面的检测分析。通过检测数据和结果分析,得到缺陷的类型、大小、位置,从而对换热器管束的整体性能进行评价。

关键词：双脉冲超声脉冲技术(UPR) 声脉冲技术(APR) 换热器管束缺陷

高尚堡联合站天然气脱CO_(2)工艺参数优化

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广州化工 2023年第17期51卷 94-99页

作者：吴松高城尤雪松李东升崔军峰张涛中国石油天然气股份有限公司冀东油田分公司油气集输公司河北唐山063000 西南石油大学油气藏地质及开发工程国家重点实验室四川成都610000

高尚堡联合站天然气脱CO_(2)装置采用MDEA+DEA混合胺吸收工艺,由于在生产过程中,原料气发生了很大的变化,操作参数一直沿用原设计参数,造成该站能耗增加,为了找到最佳的操作条件,降低系统能耗,本文基于HYSYS模拟软件建立模型,对天然气脱... 详细信息

高尚堡联合站天然气脱CO_(2)装置采用MDEA+DEA混合胺吸收工艺,由于在生产过程中,原料气发生了很大的变化,操作参数一直沿用原设计参数,造成该站能耗增加,为了找到最佳的操作条件,降低系统能耗,本文基于HYSYS模拟软件建立模型,对天然气脱CO_(2)工艺关键参数进行单因素分析,依据各单因素得到的取值范围利用响应面分析法以系统装置能耗最小为目标对参数进行寻优,确定多因素关键参数的最佳组合,优化后的流程比实际生产外输气中CO_(2)含量从2.27%降低到2.21%,下降了2.64%,装置能耗从6 373 kW降低到5 967 kW,降低了6.37%。

关键词：脱CO_(2) 关键参数响应面分析法能耗参数优化

Defects Energetics and Electronic Properties of Li Doped ZnO： A Hybrid Hartree-Fock and Density Functional Study

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Chinese Journal of Chemical Physics 2012年第3期25卷 261-268,373页

作者： Xu Sun you-song Gu xue-qiang Wang Yue Zhang Department of Material Physics and Chemist04 University of Science and Technology Beijing Beij'ing100083 China

The electronic properties and stability of Li-doped ZnO with various defects have been stud- ied by calculating the electronic structures and defect formation energies via first-principles calculations using hybrid Hartree-Fock and density functional methods. The results from formation energy calculations show that Li pair complexes have the lowest formation energy in most circumstances and they consume most of the Li content in Li doped ZnO, which make the p-type conductance hard to obtain. The formation of Li pair complexes is the main obstacle to realize p-type conductance in Li doped ZnO. However, the formation energy of Lizn decreases as environment changes from Zn-rich to O-rich and becomes more stable than that of Li-pair complexes at highly O-rich environment. Therefore, p-type conductance can be obtained by Li doped ZnO grown or post annealed in oxygen rich atmosphere.

关键词： Li doped ZnO Multi-defects Hybrid density functional

Preparation of CaO-containing carbon pellets from coking coal and calcium oxide:Effects of temperature,pore distribution and carbon structure on compressive strength in pyrolysis furnace

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International Journal of Minerals,Metallurgy and Materials 2021年第7期28卷 1153-1163页

作者： Xiao-min you xue-feng She Jing-song Wang Qing-guo xue Ze-yi Jiang State Key Laboratory of Advanced Metallurgy University of Science and Technology BeijingBeijing 100083China School of Energy and Environmental Engineering University of Science and Technology BeijingBeijing 100083China

CaO-containing carbon pellets(CCCP)were successfully prepared from well-mixed coking coal(CC)and calcium oxide(CaO)and roasted at different pyrolysis *** effects of temperature,pore distribution,and carbon structure on the compressive strength of CCCP was investigated in a pyrolysis furnace(350-750℃).The results showed that as the roasting temperature increased,the compressive strength also increased and furthermore,structural defects and imperfections in the carbon crystallites were gradually eliminated to form more organized char structures,thus forming high-ordered ***,the CCCP preheated at 750℃exhibited the highest compressive strength.A positive relationship between the compressive strength and pore-size homogeneity was established.A linear relationship between the com-pressive strength of the CCCP and the average stack height of CC was ***,a four-stage caking mechanism was developed.

关键词： calcium oxide-containing carbon pellets calcium carbide coking coal compressive strength pyrolysis furnace

Mechanical properties of Mn-doped ZnO nanowires studied by first-principles calculations

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International Journal of Minerals,Metallurgy and Materials 2012年第1期19卷 89-94页

作者： Zhan-jun Gao you-song Gu xue-qiang Wang Yue Zhang School of Materials Science and Engineering University of Science and Technology BeijingBeijing 100083China

First-principles calculations were performed to investigate the mechanical properties of ZnO nanowires and to study the doping and size effects. A series of strains were applied to ZnO nanowires in the axial direction and the elastic moduli of ZnO nanowires were obtained from the energy versus strain curves. Pure and Mn-doped ZnO nanowires with three different diameters （1.14, 1.43, and 1.74 nm） were studied. It is found that the elastic moduli of the ZnO nanowires are 146.5, 146.6, and 143.9 GPa, respectively, which are slightly larger than that of the bulk （140.1 GPa）, and they increase as the diameter decreases. The elastic moduli of the Mn-doped ZnO nanowires are 137.6, 141.8, and 141.0 GPa, which are slightly lower than those of the undoped ones by 6.1%, 3.3%, and 2.0%, respectively. The mechanisms of doping and size effect were discussed in terms of chemical bonding and geometry considerations.

关键词： zinc oxide nanowires mechanical properties doping first-principles calculations manganese

The small and large subunits of carbamoyl-phosphate synthase exhibit diverse contributions to pathogenicity in Xanthomonas citri ***

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Journal of Integrative Agriculture 2015年第7期14卷 1338-1347页

作者： GUO Jing song xue ZOU Li-fang ZOU Hua-song CHEN Gong-you School of Agriculture and Biology Shanghai Jiao Tong University

Carbamoyl-phosphate synthase plays a vital role in the carbon and nitrogen metabolism cycles. In Xanthomonas citrisubsp. citri, carA and carB encode the small and large subunits of carbamoyl-phosphate synthase, respectively. The deletion mutation of the coding regions revealed that carA did not affect any of the phenotypes, while carB played multiple roles in pathogenicity. The deletion of carB rendered the loss of pathogenicity in host plants and the ability to induce a hyper- sensitive reaction in the non-hosts. Quantitative reverse transcription-PCR assays indicated that 11 hrp genes coding the type Ill secretion system were suppressed when interacting with citrus plants. The mutation in carB also affected bacterial utilization of several carbon and nitrogen resources in minimal medium MMX and extracellular enzyme activities. These data demonstrated that only the large subunit of carbamoyl-phosphate synthase was essential for canker development by X. citri subsp, citri.

关键词： Xanthomonas citri subsp citri carbamoyl-phosphate synthase pathogenicity citrus canker hrp gene