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全国第一åï¼çœå®APåxad¦åxadæ‘˜å¾—å…¨å›½æ°´ç§‘æŠ€å‘æ˜æ¯”赛桂å†xa0ï¼

来源:广东实验中学AP国际课程 时间:06-03

全国第一åï¼çœå®APåxad¦åxadæ‘˜å¾—å…¨å›½æ°´ç§‘æŠ€å‘æ˜æ¯”赛桂å†xa0ï¼

6月13日-14日,“美丽中国,我是行动者”——第十八届全国中学生水科技发明比赛决赛暨斯德哥尔摩青少年水奖中国地区选拔赛隆重举行。比赛共收到来自全国20多个省份推荐的150余件作品,经专家评委多轮评审,最终14项高中发明创新类作品入围全国总决赛。

因疫情原因,本届总决赛采用了北京主场与各地项目学校的视频连线方式进行,并通过网络视频直播,网络直播吸引了2000多人在线观看。专家评委依据各项目团队线上项目经验介绍、案例成果展示和线上答辩表现进行综合打分。

北京主会场

张宝心同学向评委展示项目

经过激烈的角逐,广东实验中学高一AP5班张宝心研究的《滨海亲水活动中自然防晒剂制作探究》科研项目荣获全国名(特等奖),并将作为中国唯一代表参加被誉为“世界青少年水科技诺贝尔奖”的斯德哥尔摩青少年水奖总决赛,向世界展示中国青少年保护水资源科技创新水平以及保护全球水资源的责任与使命。

生态环境部宣传教育中心副主任何家振等领导给张宝心同学云颁奖

张宝心同学发表获奖感言

自2007年参加全国中学生水科技发明比赛以来,广东实验中学6次获得大赛名,是获得全国名最多的学校。

指导教师:曾杰、幸斌、罗娜、王剑

支持单位:广东工业大学环境学院
 

项目科普

常用防晒剂中的合成化学成分如二苯甲酮等对海洋珊瑚等生态环境有危害。有鉴于此,本课题选取了一些天然植物油如橄榄油、荷荷巴油、胡萝卜籽油、芦荟油、牛油果油、葡萄籽油以及椰子油作为研究对象,证明了这些植物油具有紫外吸收特性,与常用物理防晒剂食用级二氧化钛和氧化锌粉混合实现自制防晒剂。通过紫外吸收对其防晒性能进行评估,结合扫描电镜微观分析其表界面特性,筛选出氧化锌-荷荷巴油、氧化锌-橄榄油复合防晒剂的防晒性能良好,并总结出天然植物油吸收紫外能力的规律。证明利用天然植物油和可食用氧化锌或二氧化钛混合这种家庭自制方式可以达到防晒效果,且该种环境亲和型防晒剂能保护海洋生态环境。

七种常见植物油对紫外线吸收的光谱图

自制防晒剂的扫描电镜图
 

学生感想

我非常荣幸能在这次比赛中获奖。从一开始的一个简单的想法,到后来的整理思路、罗列计划,到连续几个月的实验、文献查阅和论文写作,再到最后的备赛阶段,这一路走来,许多人成为了我科研路上的指路人。

感谢我的父母从小潜移默化地影响我,带领我打开科研的扇门。感谢广东工业大学环境学院提供的实验平台和博士生罗娜姐姐的悉心教导,她的启发和引导进一步激发了我对科研的兴趣。感谢广东实验中学的各位科创老师,感谢王剑主任、曾杰老师和幸斌老师,各位老师在我完成项目的每个阶段都给予了我非常重要的帮助和指导。

省实作为百年名校,同时也是科技强校,科技教育一脉相承,欣欣向荣,成绩斐然,往届水科技大赛中亦留下了许多省实学子的身影。学校设置STEM选修课程,为每一位学生打开科研的大门,鼓励、帮助和引导学生创新创造。学校的科技工程社以及环境议事会等社团具有多年历史,人才济济,从这里走出了许多国内外科创大赛中的佼佼者,为国内外学府输送了一批又一批的科技创新人才。

我的项目灵感起始于一次看似毫不起眼的偶然经历。我在一篇游记博客中读到博主在菲律宾潜水时,他的潜水教练告诉他不要使用防晒霜,因为它会危害海洋中的珊瑚。当我更深入了解到市面上的防晒霜对于珊瑚的致命危害时,一个想法就此萌发,即开发出一款对海洋环境无害的天然防晒剂。

我的研究非常简单易懂,可以说很“接地气”,但是它探索了一个简单却有价值的自然规律,并赋予其实践的可能。在世界上的任何一个角落,我们都可以运用不饱和脂肪酸含量高的植物油复配便宜常见的物理防晒材料,制作出环境亲和型防晒剂,为保护海洋生态环境做出贡献。我的项目秉持着取自自然,回馈自然的想法。我发现了植物的宝贵价值,最终达到了保护海洋环境和海洋生物的目的。我认为这是科研应该追求的目的之一,即发现自然奥秘,寻找共生之道。

今后我将继续完善我的研究,而创新创造,改善水环境的理念将深刻影响我未来的学习和深造。愿青少年如你我都继续能为改善水环境,保护水资源贡献自己的力量,在国际舞台上展现中国青年的创新与风采,责任与担当。
 

赛事简介

斯德哥尔摩青少年水奖(Stockholm Junior Water Prize,SJWP)由斯德哥尔摩水基金会(Stockholm Water Found,SWF)在1994年设立。是世界著名的“斯德哥尔摩水奖”的组成部分。自1997年以来,该奖项作为重要的国际性环境奖项之一,颁发给在水环境领域研究中做出突出贡献的青少年学生,被誉为“世界青少年水科技诺贝尔奖”。颁奖活动在每年8月份的瑞典“斯德哥尔摩水周”期间举行。瑞典维多利亚皇室对该活动给予极大的关注和支持,每年女王储维多利亚公主都会到场为获奖选手颁发奖杯及荣誉证书。同时斯德哥尔摩青少年水奖总冠军将获得15000美元奖金并收获一段在斯德哥尔摩参与国际活动的宝贵经历。

经SJWP国际组委会授权,在赛莱默(中国)有限公司的支持下,自2003年起,生态环境部宣传教育中心连续举办了17届全国中学生水科技发明比赛及展示交流活动,从2019年开始,水利部宣传教育中心也作为此项活动的联合主办单位,共同致力于培养中国学生生态环保意识及水资源保护的科技创新能力。该项活动在国内各省(区、市)生态环保宣教机构和有关单位的配合下,每年均收到大量优秀项目作品。活动组委会通过项目专家组的评审,选拔推荐当年最优秀的项目团队赴瑞典参与国际比赛。

这份殊荣

不仅是对省实学子

努力奋斗、创新精神的赞誉

更是对省实科技教育教学能力的肯定

学校的大力支持

教师的专业指导

学生自身的辛勤付出

......

铸就了省实学子一个个科技创新的梦想
 

我们共同期待张宝心同学

在今年的斯德哥尔摩青少年水奖总决赛上

再创佳绩!

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  120. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/db/concern/TableFieldInfo.php ( 2.63 KB )
  121. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/db/concern/Transaction.php ( 2.77 KB )
  122. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/log/driver/File.php ( 5.96 KB )
  123. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/contract/LogHandlerInterface.php ( 0.86 KB )
  124. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/log/Channel.php ( 3.89 KB )
  125. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/event/LogRecord.php ( 1.02 KB )
  126. /data/web/baijiao_branch_collect/vendor/topthink/think-helper/src/Collection.php ( 16.47 KB )
  127. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/Response.php ( 8.81 KB )
  128. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/response/View.php ( 3.29 KB )
  129. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/Cookie.php ( 6.06 KB )
  130. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/View.php ( 4.39 KB )
  131. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/view/driver/Php.php ( 6.44 KB )
  132. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/contract/TemplateHandlerInterface.php ( 1.60 KB )
  133. /data/web/baijiao_branch_collect/view/index/pc/school_news_details.php ( 2.39 KB )
  134. /data/web/baijiao_branch_collect/view/index/pc/school_top.php ( 5.76 KB )
  135. /data/web/baijiao_branch_collect/view/index/pc/school_right.php ( 2.17 KB )
  136. /data/web/baijiao_branch_collect/view/index/pc/school_bottom.php ( 1.16 KB )
  137. /data/web/baijiao_branch_collect/vendor/topthink/think-trace/src/Html.php ( 4.42 KB )
  1. CONNECT:[ UseTime:0.000317s ] mysql:host=127.0.0.1;port=3306;dbname=baijiao_branch_collect;charset=utf8
  2. SHOW FULL COLUMNS FROM `fqi_school` [ RunTime:0.000872s ]
  3. SELECT * FROM `fqi_school` WHERE `school_id` = '10470' AND `site_id` = 23 AND `school_status` = 1 LIMIT 1 [ RunTime:0.000238s ]
  4. SHOW FULL COLUMNS FROM `fqi_school_class` [ RunTime:0.000552s ]
  5. SELECT * FROM `fqi_school_class` WHERE `school_id` = 10470 [ RunTime:0.000173s ]
  6. SHOW FULL COLUMNS FROM `fqi_school_campus` [ RunTime:0.000564s ]
  7. SELECT * FROM `fqi_school_campus` WHERE `school_id` = 10470 [ RunTime:0.000189s ]
  8. SHOW FULL COLUMNS FROM `fqi_school_news` [ RunTime:0.000650s ]
  9. SELECT `a`.*,`content` FROM `fqi_school_news` `a` LEFT JOIN `fqi_school_news_content` `b` ON `b`.`content_id`=`a`.`content_id` WHERE `school_id` = 10470 AND `a`.`content_id` = '80790' AND `news_status` = 1 AND `school_status` = 1 LIMIT 1 [ RunTime:0.000327s ]
  10. (select content_id,news_name,school_id from fqi_school_news where school_id = '10470' and content_id < '80790' and site_id <= '23' order by content_id desc limit 1) union all(select content_id,news_name,school_id from fqi_school_news where school_id = '10470' and content_id > '80790' and site_id <= '23' order by content_id asc limit 1) [ RunTime:0.000616s ]
  11. SHOW FULL COLUMNS FROM `fqi_school_course` [ RunTime:0.000679s ]
  12. SELECT * FROM `fqi_school_course` WHERE `school_id` = 10470 AND `site_id` = 23 AND `course_status` = 1 AND `school_status` = 1 ORDER BY `course_id` DESC LIMIT 4 [ RunTime:0.000328s ]
  13. SELECT * FROM `fqi_school_course` WHERE `school_id` = 10470 AND `school_status` = 1 AND `course_status` = 1 ORDER BY `course_id` DESC LIMIT 8 [ RunTime:0.000175s ]
  14. SELECT * FROM `fqi_school_news` WHERE `school_id` = 10470 ORDER BY `click` DESC,`news_id` DESC LIMIT 5 [ RunTime:0.000205s ]
  15. SELECT `content_id`,`news_name`,`a`.`school_id`,`b`.`school_name` FROM `fqi_school_news` `a` LEFT JOIN `fqi_school` `b` ON `b`.`school_id`=`a`.`school_id` WHERE `a`.`site_id` = '23' AND `b`.`school_status` = '1' AND `news_status` = 1 AND `content_id` < 80790 ORDER BY `content_id` DESC LIMIT 20 [ RunTime:0.012560s ]
0.023034s