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Antifertility effects of EP-1 (quinestrol and levonorgestrel) on Pacific rats (Rattus exulans)

Integrative Zoology 2024年第1期19卷 127-142页

作者： Jing LIU Feiyun TU Ming LIU Jichao WANG zhibin zhang Ministry of Education Key Laboratory for Ecology of Tropical Islands Key Laboratory of Tropical Animal and Plant Ecology of Hainan ProvinceCollege of Life SciencesHainan Normal UniversityHaikouHainanChina Secretariat Office International Society of Zoological Science and Society and Journal OfficeInstitute of ZoologyChinese Academy of SciencesBeijingChina State Key Laboratory of Integrated Management of Pest Insects and Rodents Institute of ZoologyChinese Academy of SciencesBeijingChina CAS Center for Excellence in Biotic Interactions University of Chinese Academy of SciencesBeijingChina

Pest rodents pose a serious threat to island *** control could be an alternative approach to control the impact of rodents on these *** this study,we examined the antifertility effects of EP-1 baits containing quinestrol(E)and levonorgestrel(P)using a dose of 50 ppm E and P at three different ratios(E:P ratio=1:2,1:1,and 2:1)on Pacific rats(Rattus exulans)in the Xisha Islands,Hainan,*** to the control group,all animals in EP-1 treatment groups showed significantly decreased food intake and body *** treated males,there were obvious abnormalities in testis structure and a significant decrease of relative seminal vesicle weight,but no significant effect on relative uterine and ovarian weights(g kg-1 body weight),or ovarian structure in *** 8%sucrose to the original 50-ppm baits(E:P ratio=1:1)significantly increased bait palatability for males and *** dose induced uterine edema and abnormalities of ovarian structure in females but had no significant negative effect on the relative testis,epididymis,and seminal vesicle weights(g kg-1 body weight)or sperm density in *** summary,50-ppm EP-1(1:1)baits have the potential to disrupt the fertility of females,and 8%sucrose addition to the EP-1 baits(E:P ratio=1:1)could improve bait *** dose disrupted the testis structure in *** studies are needed to improve bait acceptance and assess the antifertility effects of EP-1(1:1)on Pacific rats in captive breeding trials and underfield conditions.

关键词： EP-1 fertility control island biodiversity conservation levonorgestrel quinestrol Rattus exulans

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The combined effect of bromadiolone and ivermectin (iBr) in controlling both rodents and their fleas

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Integrative Zoology 2024年第1期19卷 156-164页

作者： Ming LIU Xinrong WAN Wei LIU Xingan MA zhibin zhang State Key Laboratory of Integrated Pest Management Institute of ZoologyChinese Academy of SciencesBeijingChina CAS Center for Excellence in Biotic Interactions University of Chinese Academy of SciencesBeijingChina Inner Mongolia Minzu University TongliaoInner MongoliaChina International Society of Zoological Sciences BeijingChina

Rodent pests not only cause severe agricultural loss but also spread zoonotic pathogens to human ***-agulant rodenticides are widely used to decrease the population densities of rodents but often lead to the spillover of ectoparasites becausefleas and ticks may gather on surviving ***,it is necessary to killfleas and ticks before culling rodents to minimize the risk of pathogen *** this study,we used a mixture of ivermectin(an antiparasitic drug)and bromadiolone(an anticoagulant rodenticide)to control both rodent andflea/tick *** found that in a laboratory test,0.01%ivermectin bait was not lethal for greater long-tailed hamsters after 7 days of treatment,while 0.1%ivermectin bait was lethal for approximately 33%of treated *** afield test,bait containing 0.001%,0.005%,0.01%,and 0.05%ivermectin decreased the number offleas per vole of Brandt’s voles to 0.42,0.22,0.12,and 0.2,respectively,compared with 0.77 in the control group,indicating that 0.01%ivermectin bait performed best in *** another laboratory test,bait containing a 0.01%ivermectin and 0.005%bromadiolone mixture caused the death of all voles within 6–14 days after the intake of the *** thefield test,the bait containing 0.01%ivermectin and 0.005%bromadiolone reduced the average number offleas per vole to 0.35,which was significantly lower than the 0.77 of the control *** results indicate that a 0.01%ivermectin and 0.005%bromadiolone mixture could be used to control both rodents andfleas to minimize the spillover risk of disease transmission when using traditional rodenticides.

关键词： bromadiolone flea iBr ivermectin rodent synergistic control

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Numerical Analysis of the Influence of the Impinging Distance on the Scouring Efficiency of Submerged Jets

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Fluid Dynamics & Materials Processing 2024年第2期20卷 429-445页

作者： Hao Chen Xianbin Teng zhibin zhang Faxin Zhu Jie Wang Zhaohao zhang School of Naval Architecture and Maritime Zhejiang Ocean UniversityZhoushan316022China School of Marine Engineering Guangzhou Maritime UniversityGuangzhou510725China

Water jet technology is widely used in submerged buried pipes as a non-traditional trenching process,often invol-ving a complex sediment *** important adjustable and inﬂuential engineering variable in this technol-ogy is represented by the impinging *** this study,the FLOW-3D software was used to simulate the jet scouring of sand beds in a submerged *** particular,four sets of experimental conditions were con-sidered to discern the relationship between the maximum scour depth and mass and the impinging *** shown by the results,a critical impinging distance h0 exists by which the static scour depth can be maximized;the scour mass ratio between dynamic and static conditions decreases as the impinging distance ***,the proﬁle contours are similar when the erosion parameter Ec is in the range 0.35

关键词： Submerged jet impinging distance numerical simulation scour depth scour proﬁle

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Experimental and Three-Dimensional Numerical Simulation of Phenomena Induced by Submerged Oblique Jet Scouring

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Fluid Dynamics & Materials Processing 2024年第8期20卷 1799-1821页

作者： Hao Chen Xianbin Teng Faxin Zhu zhibin zhang Jie Wang School of Naval Architecture and Maritime Zhejiang Ocean UniversityZhoushan316022China School of Marine Engineering Guangzhou Maritime UniversityGuangzhou510725China

Scouring experiments were conducted using a three-dimensional laser scanning technology for angles of the jet spanning the interval from 0°to 30°,and the characteristics of the scour hole in equilibrium conditions were investigated *** results indicate that the optimal scouring effects occur when the jet angle is in the ranges between 15°and 20°.Moreover,the dimensionless profiles of the scour hole exhibit a high degree of similarity at different jet *** simulations conducted using the Flow-3D software to investigate the bed shear stress along the jet impingement surface have shown that this stress is influenced by both the resultant force and the jet impingement surface *** reaches its maximum value when the jet is vertical,decreases rapidly as the jet starts to tilt,then increases slightly,and decreases again significantly when the angle exceeds 20°.

关键词： Submerged jet jet angle experimental study numerical simulation bed shear stress

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Masting promotes transformation from predation to mutualism in an oak-weevil-rodent system

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Science China(Life Sciences) 2024年第7期67卷 1514-1524页

作者： Hongmao zhang Hongyu Niu Michael ASteele Liqing Peng Huimin He Aoqiang Li Xianfeng Yi Hongjun Li zhibin zhang Institute of Evolution and Ecology School of Life SciencesCentral China Normal UniversityWuhan 430079China State Key Laboratory of Integrated Management of Pest Insects and Rodents in Agriculture Institute of ZoologyChinese Academy of SciencesBeijing 100101China Department of Biology Wilkes UniversityWilkes-Barre 18766USA School of Life Sciences Qufu Normal UniversityQufu 273165China

The significance of ecological non-monotonicity(a function whose first derivative changes signs)in shaping the structure and functions of the ecosystem has recently been recognized,but such studies involving high-order interactions are ***,we have proposed a threetrophic conceptual diagram on interactions among trees,rodents,and insects in mast and non-mast years and tested the hypothesis that oak(Quercus wutaishanica)masting could result in increased mutualism and less predation in an oak-weevil-rodent system in a warm temperate forest of *** 14-year dataset revealed that mast years coincided with a relatively low rodent abundance but a high weevil *** not only benefited seedling recruitment of oaks through increased dispersal by rodents but also a decrease in predation by rodents and weevils,as well as an increase in the overwintering survival of *** appeared to have increased weevil survival by reducing predation of infested acorns by *** results suggest that masting benefits all participants in the plant-insect-rodent system by increasing mutualism and reducing predation behavior(i.e.,a non-monotonic function).Our study highlights the significance of masting in maintaining the diversity and function of the forest ecosystem by facilitating the transformation from predation to mutualism among trophic species.

关键词： antagonism ecological non-monotonicity mutualism seed-weevil-rodent system seedling recruitment rodent overwintering survival weevil survival

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Effect of expansion waves on cowl shock wave and boundary layer interaction in hypersonic inlet

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Propulsion and Power Research 2024年第1期13卷 80-97页

作者： Guangwei Wu Ziao Wang Teng Shi zhibin zhang Weiyu Jiang Fuxu Quan Juntao Chang Harbin Institute of Technology Harbin 150001China Xi’an Aerospace Propulsion Institute Xi’an 710100China Beijing Power Machinery Institute Beijing 100074China

The interaction of cowl shock wave and boundary layer has a crucial effect on the stability,operability and performance of hypersonic *** studies on inhibiting the sep-aration and managing the strength of the interaction of the shock wave and boundary layer with expansion corner have been ***,the expansion waves near the circular arc shoulder to effectively control the interaction and cowl shock arrangement is little ***,the interaction of the cowl shock wave and boundary layer under thefluence of the expansion waves is studied by inviscid and viscous numerical *** results reveal that the expansion waves have an important impact on the interaction between the cowl shock wave and boundary layer and the strength of shock wave,and that there are four types of inter-action processes with the change of the relative impingement positions of cowl shock *** expansion waves have a different influence on the shock wave and boundary layer inter-action at different incident *** the incident point of the cowl shock wave goes far downstream from the end of the circular arc shoulder,the influence of expansion waves is weakened,and the magnitude of separation zone ***,when the expansion waves are applied to the interaction of the cowl shock wave and boundary layer on the circular arc shoulder,the separation can be effectively *** particular,while the expansion waves interact with the shock wave and boundary layer in the back half of the circular arc shoulder,the separation is best *** with the upstream and downstream inci-dent points,the scale of separation area in the optimal control region is reduced by 65.3%at ***,the total pressure recovery coefﬁcientﬁrst increases and then decreases when the cowl moves from upstream to downstream,and the total pressure recovery coefﬁcient reaches the maximum value of 68.36%at the incident position of cowl shock wave d Z 8.09d0.

关键词： Boundary layer Expansion waves Cowl shock wave Separation Hypersonic inlet Circular arc shoulder Inviscid and viscous numerical simulations

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Synergistic effect of homojunction and Ohmic junctions in CdS boosting spatial charge separation for U(VI)photoreduction

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Nano Research 2024年第8期17卷 6849-6859页

作者： Haonan Pei Zhimin Dong Zifan Li Jian Huang Yuanping Jiang Zuojia Li Lin Xu Xiaohong Cao Yunhai Liu zhibin zhang Guoping Yang State Key Laboratory of Nuclear Resources and Environment East China University of TechnologyNanchang 330013China

Photo-excited holes usually migrate to the surface of the catalyst and rapidly recombine with electrons,reducing the photocatalytic reduction efficiency of uranium(VI)(U(VI))in radioactive ***,we employed a straightforward synthesis technique to meticulously shape and manipulate the morphology of CdS to precisely construct CdS-Ni dandelion-like composites with different aspect ***,the introduction of crystal facet homojunction with Ohmic contacts in this unique morphology siqnificantly improves the photocatalytic ***-dependent photoluminescence spectroscopy(TD-PL)verifies that the composite material positively effects on the dissociation of *** 30 min,CdS(002)/(102)/Ni-4 removed 98% of the uranium content in solution and showed a rather high apparent rate constant(0.114 min^(−1)),which was 4.8 times higher than that of CdS nanospheres(NSs)(0.024 min^(−1))and 3.7 times higher than that of CdS nanorods(NRs)(0.031 min^(−1)).This is much higher the most reported photocatalysts for U(VI)*** after 5 consecutive cycles,the photocatalytic efficiency only decreased by 7%.This offers a fresh perspective on constructing a new perspective for building a green,efficient,and multi mechanism collaborative catalytic system to remediate environmental pollution.

关键词： uranium dandelion-shaped axial size effect crystal facet homojunction ohmic contact

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服务型制造有利于提升供应链韧性吗?

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湖南科技大学学报（社会科学版） 2024年第4期27卷 63-72页

作者：张志彬欧玲湖南科技大学商学院/湖南省战略性新兴产业研究基地湖南湘潭411201

基于2009-2022年制造业A股上市公司数据,以客户关系稳定为切入点,探索服务型制造对供应链韧性的影响。结果发现,服务型制造有利于提升供应链韧性,而降低信息不对称、增大产品的差异化和赢得客户信任是重要影响机制。异质性分析表明,服... 详细信息

基于2009-2022年制造业A股上市公司数据,以客户关系稳定为切入点,探索服务型制造对供应链韧性的影响。结果发现,服务型制造有利于提升供应链韧性,而降低信息不对称、增大产品的差异化和赢得客户信任是重要影响机制。异质性分析表明,服务型制造对供应链韧性的提升效应在环境高不确定性、专精特新企业和企业融资约束程度低的企业中更为显著。服务型制造结构解析发现,相比提供产品相关的服务型制造,提供顾客支持的服务型制造更能提升供应链韧性。

关键词：服务型制造客户关系稳定供应链韧性产业融合

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现知最早血症专著《血症全集》探析

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中华医史杂志 2024年第3期54卷 145-149页

作者：张心悦张志斌浙江大学医学院附属儿童医院中医科杭州310005 中国中医科学院中医临床基础医学研究所北京100700

《血症全集》由明代医家孙光裕所著,是中国现知第一部血症专书。从书中内容看,其专论出血症。全书先收集《内经》及先贤论说,重心在于系统归纳历代治疗出血症的理论与经验,其间穿插孙氏本人见解。主体部分主要论述4种出血症,总结了孙氏... 详细信息

《血症全集》由明代医家孙光裕所著,是中国现知第一部血症专书。从书中内容看,其专论出血症。全书先收集《内经》及先贤论说,重心在于系统归纳历代治疗出血症的理论与经验,其间穿插孙氏本人见解。主体部分主要论述4种出血症,总结了孙氏本人临床实践中的深刻体会,多有个人创见。在病因方面,孙氏主张"血分三因"而多因火热,在治疗方面反对滥用苦寒而重视滋阴壮水,提出了逐瘀散滞、滋阴抑阳、理气导血、调中补虚4个治疗大法,主张出血不求速治,强调根据出血何处、出血色质,判断脏腑经络所病,灵活用药,并且重视病时及病后的生活起居调养。

关键词：《血症全集》孙光裕血症

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工业机器人应用对我国经济增长动能转换的影响研究

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财经理论与实践 2024年第4期45卷 127-135页

作者：张志彬王典曾世宏湖南科技大学商学院湖南湘潭411201 湖南省战略性新兴产业研究基地湖南湘潭411201

依据2006—2019年中国285个地级及以上城市面板数据,运用双向固定效应模型,考量工业机器人应用对经济增长动能转换的影响及其内在机制。结果显示:工业机器人应用对经济增长动能转换促进作用显著,且在非资源型城市、东部地区、普通城市... 详细信息

依据2006—2019年中国285个地级及以上城市面板数据,运用双向固定效应模型,考量工业机器人应用对经济增长动能转换的影响及其内在机制。结果显示:工业机器人应用对经济增长动能转换促进作用显著,且在非资源型城市、东部地区、普通城市、处于工业化后期及后工业化阶段的城市中促进作用更显著;产业结构调整是工业机器人应用促进经济增长动能转换的重要影响机制。鉴于此,应强化空间引导和分区施策,拓展机器人应用广度和深度,以充分利用技术红利培育壮大发展经济新动能。

关键词：工业机器人经济增长动能转换产业结构调整

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