摘要：为研究波浪荷载作用下近海风电高桩承台基础的动力响应,建立了该结构的桩-土三维有限元模型。引入p-y曲线对斜桩加以修正,并比较修正前后波浪荷载对其的影响,分析工程中是否应当考虑p-y曲线修正系数的影响;考虑不同倾斜方向桩所受波浪力的差异,结合实际工程对波浪作用下带承台约束桩进行动力响应分析;计算桩基的局部冲刷深度,分别取冲刷深度为0 m、2 m、4 m三种工况进行对比,分析局部冲刷对高桩承台动力响应的影响,得到了一些对工程实践有意义的结论。

摘要：高职类农林院校开设《新媒体营销实务》课程,旨在培养学生利用新媒体进行农业宣传推广的能力。纵观现有的教学体系发现,构建标准不一致,偏重于知识传授,忽略了学生在农业领域的新媒体营销技能的培养。本文基于建构主义学习理论,以新媒体内容呈现形式为标准,重构课程的教学体系,引入中小农业企业需求构建教学情境,采用PBL教学法进行教学设计和实施。对比学生成绩发现,采用PBL教学法对重构后的内容进行教学实践,能够调动学生学习的主动性,取得了显著的教学效果。Higher vocational agricultural and forestry colleges offer the course “Practical New Media Marketing” with the aim of cultivating students’ ability to conduct agricultural publicity and promotion through new media. Looking at the existing teaching system, the construction standards are inconsistent, with an emphasis on knowledge imparting while neglecting the cultivation of students’ new media marketing skills in the agricultural field. Based on the constructivist learning theory, this paper reconstructs the teaching system of the course by taking the presentation form of new media content as the standard, introduces the demands of small and medium-sized agricultural enterprises to construct the teaching situation, and adopts the PBL teaching method for teaching design and implementation. By comparing students’ grades, it is found that using the PBL teaching method for teaching practice on the reconstructed content can mobilize students’ initiative in learning and achieve remarkable teaching effects.

摘要：我国职业教育改革提出人人出彩,技能强国,能力本位是职业教育的核心。针对职业教育精神,本研究以学生为中心,引入OBE理念进行反向课程内容体系设计,设置课前、课中、课后环环相扣的教学环节。依据学生特点创设个性、多元评价方式,结合学生动态学习表现不断改进优化教学策略。教学过程中学生学习行为、学生成绩、高阶思维能力发展、情感、认知等具有显著成效,以期为高职旅游类混合课程提升教学质量提供理论依据和实践参考。The reform of vocational education in China puts forward that the core of vocational education is that everyone is outstanding, skills are powerful and ability is based on ability. In view of the spirit of vocational education, this study takes students as the center, introduces OBE concept to reverse course content system design, and sets up interlocking teaching links before class, during class and after class. According to the characteristics of students to create individual, multiple evaluation methods, combined with dynamic learning performance of students to improve and optimize the teaching strategy. In the teaching process, students’ learning behavior, students’ performance, development of higher-order thinking ability, emotion and cognition have significant effects, so as to provide theoretical basis and practical reference for improving teaching quality of higher vocational tourism mixed courses.

摘要：中药提取车间的设计关系到中药生产的规范性和产品品质。本文介绍了中药提取车间在厂址选择和总图布置时需要注意的问题,对车间设计要点进行了分析。结合工程案例,具体介绍了中药提取车间的工艺布置,以及这种布置的合理性、合规性和先进性,同时,对车间的自动化设计进行了分析和展望,为中药提取车间的设计提供参考。

摘要：液位计是液化气体铁道罐车的安全附件之一,以前采用滑管式液位计。为提高我国铁路罐车安全操作性能,1999年我公司研制成功CLY190-2.5型磁力液位计。本文主要介绍的是其改进型CLY190-2.5-2型磁力液位计的设计和制造经验。

摘要：废热锅炉为我公司首次国产化设备,主体材料为SA302B和SA336F22。本文对该设备的设计及制造工艺等方面进行了介绍。该设备已投入使用,运行状况良好。

摘要：锥体是容器设计时常用的变径结构,常见的制作工艺有滚床滚制,分瓣点压组对(有条件可增加整体校型工序)。滚制工艺在产品外形尺寸、外观质量以及生产效率上要优于分瓣点压工艺,但实际生产中由于滚床工作参数无法满足部分锥体的外形尺寸、厚度或是角度,只能采用分瓣点压成型工艺。文章正是基于工艺指导生产,优化产品质量,提高生产效率的出发点。根据厂内现有能力,总结实践中锥体点压成型的制造经验,为大型锥体分瓣点压成型制定一套完整、系统、执行性强的生产工艺。

摘要：结合煤气净化大型化后硫铵设计及开工遇到的问题,对关键管道及部分设备进行理论计算和现场实践分析,根据结果将管道和设备进行合理化布置,改造后能够保证硫铵单元连续稳定运行。