外側と内側で異なる強度をもつ鳥の卵

鳥の卵は、他の鳥に尖ったくちばしでつつかれても割れにくい強度を持っている。一方、ひな鳥が内側から外に出てきやすいように、殻の内側からは、割れやすい構造となっている。

効率（省エネ、省資源、軽い）:: 高強度

防御・安定:: 耐外敵、耐衝撃

その他

「生物工学とバイオニックデザイン」　　尾田十八・坂本二郎・田中志信共著 /培風館 Juhachi ODA et al, Mechanical Evaluations of Structural and Material Composition of Eggshel , JSME International Journal, Series A, Vol.41, No.1, 1998

地震や強風に強い建築物のデザインに応用できる。外からの衝撃には強く、内側からの衝撃には弱い、自動車のフロントガラスの開発に応用できる。

History
+ –
Request History
4 previous requests available
====
Session
+ –
Session
- Config
  userAgent146b278961f0b80dc105e136efd48481
  time1746131222
  timeout10
====
Request
+ –
Request

Cake Params
- controllercontents
- actionview
- named(empty)
- pass
  076
- plugin(null)
- form(empty)
- url
  urlcontents/view/76
- isAjax(false)
$_GET
- urlcontents/view/76
Cookie
- 0(empty)
Current Route
- keys
  0controller
  1action
- options(empty)
- defaults
  plugin(null)
  actionindex
- template/:controller/:action/*
- _greedy(true)
- _compiledRoute#^/(?:([^/]+))/(?:([^/]+))(?:/(?P<_args_>.*))?[/]*$#
- __headerMap
  typecontent_type
  methodrequest_method
  serverserver_name
====

Sql Log

+ –

Sql Logs

default

Query	Affected	Num. rows	Took (ms)	Actions
SHOW FULL COLUMNS FROM `contents`	16	16	1	maybe slow
SELECT CHARACTER_SET_NAME FROM INFORMATION_SCHEMA.COLLATIONS WHERE COLLATION_NAME= 'utf8_general_ci';	1	1	1
SHOW FULL COLUMNS FROM `users`	10	10	0
SHOW FULL COLUMNS FROM `groups`	4	4	1	maybe slow
SHOW FULL COLUMNS FROM `permissions`	5	5	1	maybe slow
SHOW FULL COLUMNS FROM `groups_permissions`	3	3	1	maybe slow
SHOW FULL COLUMNS FROM `groups_users`	3	3	0
SHOW FULL COLUMNS FROM `contents_searches`	6	6	0
SHOW FULL COLUMNS FROM `attachments`	11	11	0
SHOW FULL COLUMNS FROM `attachments_revs`	13	13	1	maybe slow
SHOW FULL COLUMNS FROM `contents_related_items`	5	5	0
SHOW FULL COLUMNS FROM `related_items`	6	6	0
SHOW FULL COLUMNS FROM `contents_related_items_revs`	8	8	0
SHOW FULL COLUMNS FROM `contents_tags`	5	5	1	maybe slow
SHOW FULL COLUMNS FROM `tags`	7	7	1	maybe slow
SHOW FULL COLUMNS FROM `tag_groups`	6	6	0
SHOW FULL COLUMNS FROM `contents_tags_revs`	7	7	1	maybe slow
SHOW FULL COLUMNS FROM `contents_revs`	18	18	1	maybe slow
SELECT `Content`.`id`, `Content`.`user_id`, `Content`.`last_edit_user_id`, `Content`.`post_date`, `Content`.`post_date_year`, `Content`.`post_date_month`, `Content`.`post_date_day`, `Content`.`title`, `Content`.`title_en`, `Content`.`content`, `Content`.`plain_content`, `Content`.`page_view`, `Content`.`flag`, `Content`.`mod_count`, `Content`.`created`, `Content`.`modified` FROM `contents` AS `Content` WHERE `id` = 76 LIMIT 1	1	1	0
SELECT `Attachment`.`file_name`, `Attachment`.`dir`, `Attachment`.`model`, `Attachment`.`foreign_key` FROM `attachments` AS `Attachment` WHERE `file_name` <> 'default.jpg' AND `Attachment`.`foreign_key` = (76)	1	1	0
SELECT `ContentsRelatedItem`.`content`, `ContentsRelatedItem`.`related_item_id`, `ContentsRelatedItem`.`content_id` FROM `contents_related_items` AS `ContentsRelatedItem` WHERE `ContentsRelatedItem`.`content_id` = (76)	11	11	0
SELECT `RelatedItem`.`code`, `RelatedItem`.`name` FROM `related_items` AS `RelatedItem` WHERE `RelatedItem`.`id` = 1	1	1	0
SELECT `RelatedItem`.`code`, `RelatedItem`.`name` FROM `related_items` AS `RelatedItem` WHERE `RelatedItem`.`id` = 2	1	1	0
SELECT `RelatedItem`.`code`, `RelatedItem`.`name` FROM `related_items` AS `RelatedItem` WHERE `RelatedItem`.`id` = 5	1	1	0
SELECT `RelatedItem`.`code`, `RelatedItem`.`name` FROM `related_items` AS `RelatedItem` WHERE `RelatedItem`.`id` = 6	1	1	0
SELECT `RelatedItem`.`code`, `RelatedItem`.`name` FROM `related_items` AS `RelatedItem` WHERE `RelatedItem`.`id` = 7	1	1	0
SELECT `RelatedItem`.`code`, `RelatedItem`.`name` FROM `related_items` AS `RelatedItem` WHERE `RelatedItem`.`id` = 8	1	1	0
SELECT `RelatedItem`.`code`, `RelatedItem`.`name` FROM `related_items` AS `RelatedItem` WHERE `RelatedItem`.`id` = 9	1	1	0
SELECT `RelatedItem`.`code`, `RelatedItem`.`name` FROM `related_items` AS `RelatedItem` WHERE `RelatedItem`.`id` = 9	1	1	0
SELECT `RelatedItem`.`code`, `RelatedItem`.`name` FROM `related_items` AS `RelatedItem` WHERE `RelatedItem`.`id` = 9	1	1	0
SELECT `RelatedItem`.`code`, `RelatedItem`.`name` FROM `related_items` AS `RelatedItem` WHERE `RelatedItem`.`id` = 4	1	1	0
SELECT `RelatedItem`.`code`, `RelatedItem`.`name` FROM `related_items` AS `RelatedItem` WHERE `RelatedItem`.`id` = 11	1	1	0
SELECT `ContentsTag`.`id`, `ContentsTag`.`tag_group_id`, `ContentsTag`.`mod_count`, `ContentsTag`.`tag_id`, `ContentsTag`.`content_id` FROM `contents_tags` AS `ContentsTag` WHERE `ContentsTag`.`content_id` = (76)	4	4	0
SELECT `Tag`.`name`, `Tag`.`comment`, `Tag`.`tag_group_id` FROM `tags` AS `Tag` WHERE `Tag`.`id` = 58	1	1	0
SELECT `TagGroup`.`code`, `TagGroup`.`name` FROM `tag_groups` AS `TagGroup` WHERE `TagGroup`.`id` = 5	1	1	0
SELECT `Tag`.`name`, `Tag`.`comment`, `Tag`.`tag_group_id` FROM `tags` AS `Tag` WHERE `Tag`.`id` = 65	1	1	0
SELECT `TagGroup`.`code`, `TagGroup`.`name` FROM `tag_groups` AS `TagGroup` WHERE `TagGroup`.`id` = 6	1	1	0
SELECT `Tag`.`name`, `Tag`.`comment`, `Tag`.`tag_group_id` FROM `tags` AS `Tag` WHERE `Tag`.`id` = 69	1	1	0
SELECT `TagGroup`.`code`, `TagGroup`.`name` FROM `tag_groups` AS `TagGroup` WHERE `TagGroup`.`id` = 6	1	1	0
SELECT `Tag`.`name`, `Tag`.`comment`, `Tag`.`tag_group_id` FROM `tags` AS `Tag` WHERE `Tag`.`id` = 175	1	1	0
SELECT `TagGroup`.`code`, `TagGroup`.`name` FROM `tag_groups` AS `TagGroup` WHERE `TagGroup`.`id` = 7	1	1	0
SELECT `RelatedItem`.`id`, `RelatedItem`.`code`, `RelatedItem`.`name`, `RelatedItem`.`created`, `RelatedItem`.`modified`, `RelatedItem`.`flag` FROM `related_items` AS `RelatedItem` WHERE `code` = 'function' LIMIT 1	1	1	0
SELECT `Content`.`id`, `Content`.`title`, `Content`.`title_en` FROM `contents` AS `Content` WHERE id = (NULL) ORDER BY `id` desc	0	0	0

Query Explain:

Click an "Explain" link above, to see the query explanation.

====

Timer

+ –

Memory

Peak Memory Use 8.85 MB

Message	Memory use
Component intitailization	6.79 MB
Controller action start	6.83 MB
Controller render start	6.90 MB
View render complete	7.93 MB

Timers

Total Request Time: 239 (ms)

Message	Time in ms	Graph
Core Processing (Derived)	94.75
Component initialization and startup	6.86
Controller action	14.22
Render Controller Action	23.41
» Rendering View	21.51
» » Rendering APP/views/contents/view.ctp	10.43
» » Rendering APP/views/layouts/default.ctp	9.62
» » » Rendering APP/views/elements/header.ctp	0.61
» » » Rendering APP/views/elements/content_sidebar.ctp	0.22
» » » Rendering APP/views/elements/footer.ctp	0.17

====

Log
+ –

Logs

====
Variables
+ –
View Variables
- content
  contentsTags
  0
  id1024
  tag_group_id5
  mod_count2
  tag_id58
  content_id76
  Tag
  name高強度
  comment(null)
  tag_group_id5
  TagGroup
  codeefficiency
  name効率（省エネ、省資源、軽い）
  1
  id1025
  tag_group_id6
  mod_count2
  tag_id65
  content_id76
  Tag
  name耐外敵
  comment(null)
  tag_group_id6
  TagGroup
  codedefense
  name防御・安定
  2
  id1026
  tag_group_id6
  mod_count2
  tag_id69
  content_id76
  Tag
  name耐衝撃
  comment(null)
  tag_group_id6
  TagGroup
  codedefense
  name防御・安定
  3
  id1027
  tag_group_id7
  mod_count2
  tag_id175
  content_id76
  Tag
  nameその他
  comment
  tag_group_id7
  TagGroup
  codeenv_sol
  name環境ソリューション分類
  attachments
  0
  file_nameMQ==.jpeg
  dirimg/Content/76
  modelContent
  foreign_key76
  contentsRelatedItems
  function
  0鳥の卵は、他の鳥に尖ったくちばしでつつかれても割れにくい強度を持っている。一方、ひな鳥が内側から外に出てきやすいように、殻の内側からは、割れやすい構造となっている。
  ref_info
  0「生物工学とバイオニックデザイン」　　尾田十八・坂本二郎・田中志信共著 /培風館 Juhachi ODA et al, Mechanical Evaluations of Structural and Material Composition of Eggshel , JSME International Journal, Series A, Vol.41, No.1, 1998
  reg_num
  0
  appl_tech
  0
  product
  0
  appl_tech_sugg
  0地震や強風に強い建築物のデザインに応用できる。外からの衝撃には強く、内側からの衝撃には弱い、自動車のフロントガラスの開発に応用できる。
  img_exp
  0鳥の卵 Photo by <a href="http://www.flickr.com/photos/rcooper/" target="_blank">fancycwabs</a> / <a href="http://creativecommons.org/licenses/by-sa/2.0/" target="_blank">CC BY-SA 2.0</a><br /><span style="font-size:80%;">すごい自然データベースより引用</span>
  1
  2
  reg_info
  0
  related_content_id
  0
  properties
  id76
  user_id29
  last_edit_user_id29
  post_date2011-02-04
  post_date_year
  post_date_month
  post_date_day
  title外側と内側で異なる強度をもつ鳥の卵
  title_en
  content
  plain_content
  page_view0
  flag1
  mod_count2
  created2011-02-04 18:13:11
  modified2011-02-10 16:06:39
- related_contentsArray
- Auth(null)
- $this->data(null)
- $this->validationErrors(empty)
- Loaded Helpers
  0simpleGraph
  1number
  2htmlToolbar
  3toolbar
  4navi
  5layout
  6session
  7form
  8contentElement
  9javascript
  10html
====

外側と内側で異なる強度をもつ鳥の卵

Request History

Session

Request

Cake Params

$_GET

Cookie

Current Route

Sql Logs

default

Query Explain:

Memory

Timers

Logs

View Variables