家庭医生签约服务模式下农村基层医务人员工作内容比较研究

目的:了解家庭医生签约服务模式下农村基层医务人员的工作内容和职责分工现状,为进一步完善职责分工和签约服务模式提供依据。方法:2019年7月采用典型抽样、分层抽样和方便抽样相结合的方法,选取江苏省3个县(区)18个乡镇参与家庭医生签约服务的乡镇卫生院医生、护士、公卫医生、村卫生室医生进行问卷调查;采用描述性分析、卡方检验进行分析。结果:家庭医生签约服务模式下,乡镇卫生院医生主要参与疾病诊疗护理(91.8%)、健康教育(67.6%)、转诊服务(50.5%)、慢性病患者健康管理(50.5%)等工作;护士主要参与疾病诊疗护理(85.0%)、健康教育(61.5%)工作;公卫医生主要参与预防接种(65.9%)、老年人健康管理(51.2%)、慢性病患者健康管理(51.2%)工作;村卫生室医生主要参与医疗服务和绝大部分公共卫生服务项目。结论:家庭医生签约服务模式下农村基层医务人员的工作任务范围广,既参与医疗服务又参与公共卫生服务,促进了医防融合,但存在护士公共卫生服务职能未充分发挥、公卫医生对自身工作职责不清、村卫生室医生工作负担较重等问题。

Inheritance and Molecular Mapping of Stripe Rust Resistance Gene Yr88375 in Chinese Wheat Line Zhongliang 88375

Stripe rust is one of the most important diseases of wheat worldwide. Inheritance of stripe rust resistance and mapping of resistance gene with simple sequence repeat （SSR） markers are studied to formulate efficient strategies for breeding cultivars resistant to stripe rust. Zhongliang 88375, a common wheat line, is highly resistant to all three rusts of wheat in China. The gene conferring rust disease was deduced originating from Elytrigia intermedium. Genetic analysis of Zhongliang 88375 indicated that the resistance to PST race CYR31 was controlled by a single dominant gene, temporarily designated as Yr88375. To molecular map Yr88375, a F2 segregating population consisting of 163 individuals was constructed on the basis of the hybridization between Zhongliang 88375 and a susceptible wheat line Mingxian 169; 320 SSR primer pairs were used for analyzing the genetic linkage relation. Six SSR markers, Xgwm335, Xwmc289, Xwmc810, Xgdmll6, Xbarc59, and Xwmc783, are linked to Yr88375 as they were all located on chromosome 5BL Yr88375 was also located on that chromosome arm, closely linked to Xgdmll6 and Xwmc810 with genetic distances of 3.1 and 3.9 cM, respectively. The furthest marker Xwmc783 was 13.5 cM to Yr88375. Hence, pedigree analysis of Zhongliang 88375 combined with SSR markers supports the conclusion that the highly resistance gene Yr88375 derived from Elytrigia intermedium is a novel gene for resistance to stripe rust in wheat. It could play an important role in wheat breeding programs for stripe rust resistance.

基于平台寿命的合理采液速度研究

基于油藏工程方法和渗流力学理论,结合含水上升规律和产量递减规律,建立油田开发指标快速预测方法,幵编写指标计算程序。以平台寿命25 a为计算标准,分析不同原油黏度下的采收率与采液速度变化关系,研究海上油田平台寿命内的合理采液速度。研究结果表明:在平台寿命的25 a末,使油田综合含水刚好达到98%的采液速度为合理采液速度;绘制了不同原油黏度下的合理采液速度图版,原油黏度取值在0.5～50mPa·s内时,合理的采液速度为4.5%～12%;研究了渤海B油田采液情况,当前油田采液速度为8.4%,图版预测合理采液速度为9.5%,该图版可作为后续平台采液速度设计的基础。

大跨钢箱拱桥整体顶推施工顺序优化研究

以京雄城际铁路112.5m简支钢箱拱桥为工程背景,对拱肋拼装支架顶推过程中受力进行分析研究,提出先安装并张拉吊杆方案。经有限元软件模拟后确定150kN目标索力指导施工,该方法在实际工程中得到应用,并取得良好效果,可为同类桥型施工提供参考和借鉴。

常规砂岩油藏无水采油期采出程度计算新方法

基于不稳定渗流理论,建立水驱砂岩油藏渗流数学模型,用有限差分方法对其求解.分析了水油流度比、水相指数、油相指数、束缚水饱和度、残余油饱和度五个因素对无水采油期采出程度的影响,结果表明:无水采油期采出程度与水油流度比呈幂函数关系,与水相指数、油相指数、束缚水饱和度、残余油饱和度均呈线性关系.采用SPSS多元回归方法,得出五因素影响的理论无水采油期采出程度计算公式.公式将理论无水采油期采出程度与水油流度比、油相指数、水相指数、束缚水饱和度、残余油饱和度关联起来,为开发指标预测过程中确定见水节点提供了可靠的依据.