Page Time: 0.0783s

Memory: 10.6337 MB (Peak: 11.7617 MB)

Queries (12, time: 0.0075s, 9.6%)

1. SELECT data_key, data_value
   FROM xf_data_registry
   WHERE data_key IN ('options', 'languages', 'contentTypes', 'codeEventListeners', 'deferredRun', 'simpleCache', 'addOns', 'defaultStyleProperties', 'routeFiltersIn', 'routeFiltersOut', 'routesPublic', 'nodeTypes', 'bannedIps', 'discouragedIps', 'styles', 'displayStyles', 'userBanners', 'smilies', 'bbCode', 'threadPrefixes', 'userTitleLadder', 'reportCounts', 'moderationCounts', 'userModerationCounts', 'notices', 'userFieldsInfo')

   Run Time: 0.000617

   Select Type	Table	Type	Possible Keys	Key	Key Len	Ref	Rows	Extra
   SIMPLE	xf_data_registry	range	PRIMARY	PRIMARY	27		26	Using where

2. SELECT data_key, data_value
   FROM xf_data_registry
   WHERE data_key IN ('brListenerClasses', 'brBriviumAddOns')

   Run Time: 0.000163

   Select Type	Table	Type	Possible Keys	Key	Key Len	Ref	Rows	Extra
   SIMPLE	xf_data_registry	range	PRIMARY	PRIMARY	27		2	Using where

3. SELECT *
   FROM xf_brivium_addon
   ORDER BY addon_id

   Run Time: 0.000145

   Select Type	Table	Type	Possible Keys	Key	Key Len	Ref	Rows	Extra
   SIMPLE	xf_brivium_addon	index		PRIMARY	77		1

4. INSERT INTO xf_data_registry
   	(data_key, data_value)
   VALUES
   	(?, ?)
   ON DUPLICATE KEY UPDATE
   	data_value = VALUES(data_value)

   Params: brBriviumAddOns, a:0:{}
   Run Time: 0.000139

5. SELECT cache_value
   FROM xf_permission_combination
   WHERE permission_combination_id = ?

   Params: 1
   Run Time: 0.000372

   Select Type	Table	Type	Possible Keys	Key	Key Len	Ref	Rows	Extra
   SIMPLE	xf_permission_combination	const	PRIMARY	PRIMARY	4	const	1

6. SELECT thread.*
   	,
   		user.gender, user.avatar_date, user.gravatar,
   		NULL AS thread_read_date,
   		0 AS thread_reply_banned,
   		0 AS thread_is_watched,
   		'' AS draft_message, NULL AS draft_extra
   FROM xf_thread AS thread
   
   		LEFT JOIN xf_user AS user ON
   			(user.user_id = thread.user_id)
   WHERE thread.thread_id = ?

   Params: 358978
   Run Time: 0.000526

   Select Type	Table	Type	Possible Keys	Key	Key Len	Ref	Rows	Extra
   SIMPLE	thread	const	PRIMARY	PRIMARY	4	const	1
   SIMPLE	user	const	PRIMARY	PRIMARY	4	const	1

7. SELECT node.*, forum.*
   	,
   	permission.cache_value AS node_permission_cache,
   		NULL AS forum_read_date
   FROM xf_forum AS forum
   INNER JOIN xf_node AS node ON (node.node_id = forum.node_id)
   
   	LEFT JOIN xf_permission_cache_content AS permission
   		ON (permission.permission_combination_id = 1
   			AND permission.content_type = 'node'
   			AND permission.content_id = forum.node_id)
   WHERE node.node_id = ?

   Params: 38
   Run Time: 0.000830

   Select Type	Table	Type	Possible Keys	Key	Key Len	Ref	Rows	Extra
   SIMPLE	forum	const	PRIMARY	PRIMARY	4	const	1
   SIMPLE	node	const	PRIMARY	PRIMARY	4	const	1
   SIMPLE	permission	const	PRIMARY	PRIMARY	35	const,const,const	1

8. SELECT post.*
   	,
   		thread.*, thread.user_id AS thread_user_id, thread.username AS thread_username,
   		thread.post_date AS thread_post_date,
   		post.user_id, post.username, post.post_date,
   		bb_code_parse_cache.parse_tree AS message_parsed, bb_code_parse_cache.cache_version AS message_cache_version,
   		user.*, IF(user.username IS NULL, post.username, user.username) AS username,
   		user_profile.*,
   		user_privacy.*,
   		signature_parse_cache.parse_tree AS signature_parsed, bb_code_parse_cache.cache_version AS signature_cache_version,
   		session_activity.view_date AS last_view_date,
   		0 AS like_date
   FROM xf_post AS post
   
   		INNER JOIN xf_thread AS thread ON
   			(thread.thread_id = post.thread_id)
   		LEFT JOIN xf_bb_code_parse_cache AS bb_code_parse_cache ON
   			(bb_code_parse_cache.content_type = 'post' AND bb_code_parse_cache.content_id = post.post_id)
   		LEFT JOIN xf_user AS user ON
   			(user.user_id = post.user_id)
   		LEFT JOIN xf_user_profile AS user_profile ON
   			(user_profile.user_id = post.user_id)
   		LEFT JOIN xf_user_privacy AS user_privacy ON
   			(user_privacy.user_id = post.user_id)
   		LEFT JOIN xf_bb_code_parse_cache AS signature_parse_cache ON
   			(signature_parse_cache.content_type = 'signature' AND signature_parse_cache.content_id = post.user_id)
   		LEFT JOIN xf_session_activity AS session_activity ON
   			(post.user_id > 0 AND session_activity.user_id = post.user_id AND session_activity.unique_key = CAST(post.user_id AS BINARY))
   WHERE (
   		(post.thread_id = ?  AND (post.position >= 0 AND post.position < 10) )
   		
   		
   	)
   	AND (post.message_state IN ('visible'))
   ORDER BY post.position ASC, post.post_date ASC

   Params: 358978
   Run Time: 0.002761

   Select Type	Table	Type	Possible Keys	Key	Key Len	Ref	Rows	Extra
   SIMPLE	thread	const	PRIMARY	PRIMARY	4	const	1	Using filesort
   SIMPLE	post	ref	thread_id_post_date,thread_id_position	thread_id_post_date	4	const	1	Using index condition; Using where
   SIMPLE	bb_code_parse_cache	eq_ref	content_type_id	content_type_id	31	const,xenforo.cc.post.post_id	1	Using where
   SIMPLE	user	eq_ref	PRIMARY	PRIMARY	4	xenforo.cc.post.user_id	1
   SIMPLE	user_profile	eq_ref	PRIMARY	PRIMARY	4	xenforo.cc.post.user_id	1
   SIMPLE	user_privacy	eq_ref	PRIMARY	PRIMARY	4	xenforo.cc.post.user_id	1
   SIMPLE	signature_parse_cache	eq_ref	content_type_id	content_type_id	31	const,xenforo.cc.post.user_id	1	Using where
   SIMPLE	session_activity	eq_ref	PRIMARY	PRIMARY	22	xenforo.cc.post.user_id,func	1	Using where

9. INSERT  INTO xf_thread_view
   	(thread_id)
   VALUES
   	(?)

   Params: 358978
   Run Time: 0.000089

10. INSERT INTO `xf_session` (`session_id`, `session_data`, `expiry_date`) VALUES (?, ?, ?)

    Params: 8f066dcd95ff352898d25159d3abc937, , 1714356317
    Run Time: 0.000729

11. INSERT INTO xf_session_activity
    	(user_id, unique_key, ip, controller_name, controller_action, view_state, params, view_date, robot_key)
    VALUES
    	(?, ?, ?, ?, ?, ?, ?, ?, ?)
    ON DUPLICATE KEY UPDATE
    	ip = VALUES(ip),
    	controller_name = VALUES(controller_name),
    	controller_action = VALUES(controller_action),
    	view_state = VALUES(view_state),
    	params = VALUES(params),
    	view_date = VALUES(view_date),
    	robot_key = VALUES(robot_key)

    Params: 0, , , XenForo_ControllerPublic_Thread, Index, valid, thread_id=358978, 1714352717,
    Run Time: 0.000107

12. INSERT INTO xf_bb_code_parse_cache
    	(content_type, content_id, parse_tree, cache_version, cache_date)
    VALUES (?, ?, ?, ?, ?)
    ON DUPLICATE KEY UPDATE parse_tree = VALUES(parse_tree),
    	cache_version = VALUES(cache_version),
    	cache_date = VALUES(cache_date)

    Params: post, 365613, a:97:{i:0;a:4:{s:3:"tag";s:3:"img";s:6:"option";N;s:8:"original";a:2:{i:0;s:5:"[IMG]";i:1;s:6:"[/IMG]";}s:8:"children";a:1:{i:0;s:80:"https://pic2.zhimg.com/v2-4880ef2b75fa89d855b2090c5c7a2de0_l.jpg?source=8673f162";}}i:1;s:32:" 子乾，兴趣使然的科普 ";i:2;a:4:{s:3:"tag";s:3:"url";s:6:"option";s:58:"https://www.zhihu.com/question/432549876/answer/1607329706";s:8:"original";a:2:{i:0;s:66:"[URL='https://www.zhihu.com/question/432549876/answer/1607329706']";i:1;s:6:"[/URL]";}s:8:"children";a:1:{i:0;s:12:"阅读原文";}}i:3;s:218:" 从核子尺度上说，是强（核）力让原子核中的质子和中子吸引在一起， 而从更基本的结构看， 强（核）力是夸克之间强相互作用在核子尺度上的一种剩余作用。 ";i:4;a:4:{s:3:"tag";s:3:"img";s:6:"option";N;s:8:"original";a:2:{i:0;s:5:"[IMG]";i:1;s:6:"[/IMG]";}s:8:"children";a:1:{i:0;s:83:"https://pic2.zhimg.com/v2-db72d067eb35eb259e0316100a4ffa41_720w.jpg?source=8673f162";}}i:5;s:2:" ";i:6;a:4:{s:3:"tag";s:1:"b";s:6:"option";N;s:8:"original";a:2:{i:0;s:3:"[B]";i:1;s:4:"[/B]";}s:8:"children";a:1:{i:0;a:4:{s:3:"tag";s:1:"b";s:6:"option";N;s:8:"original";a:2:{i:0;s:3:"[B]";i:1;s:4:"[/B]";}s:8:"children";a:1:{i:0;s:16:"1、核子尺度";}}}}i:7;s:160:" 到 1932 年的时候，人们就已经知道了原子核是由带电的质子和不带电的中子构成的。 但是原子核的大小只有几个飞米（";i:8;a:4:{s:3:"tag";s:3:"img";s:6:"option";N;s:8:"original";a:2:{i:0;s:5:"[IMG]";i:1;s:6:"[/IMG]";}s:8:"children";a:1:{i:0;s:82:"https://www.zhihu.com/equation?tex=1%5Ctext%7Bfm%7D%3D10%5E%7B-15%7D%5Ctext%7Bm%7D";}}i:9;s:6:"，即";i:10;a:4:{s:3:"tag";s:3:"img";s:6:"option";N;s:8:"original";a:2:{i:0;s:5:"[IMG]";i:1;s:6:"[/IMG]";}s:8:"children";a:1:{i:0;s:66:"https://www.zhihu.com/equation?tex=0.000000000000001%5Ctext%7Bm%7D";}}i:11;s:600:"）， 在这么小的空间内，质子之间应该会存在非常强的电磁斥力， 原子核瞬间就会分崩离析， 但是，现实中的原子核是非常稳定的存在。 因此，质子 / 中子之间必须存在一种更强的吸引力， 这种力就叫做强力。 强力只在原子核内的范围有明显作用， 超出原子核后迅速衰减。 类比电磁相互作用是通过电磁场（其量子化后的粒子即为光子）传递的， 1935 年， 日本物理学家汤川秀树认为， 强力是经过强力场传递的，强力场量子化后的粒子叫做 ";i:12;a:4:{s:3:"tag";s:3:"img";s:6:"option";N;s:8:"original";a:2:{i:0;s:5:"[IMG]";i:1;s:6:"[/IMG]";}s:8:"children";a:1:{i:0;s:40:"https://www.zhihu.com/equation?tex=%5Cpi";}}i:13;s:12:" 介子。 ";i:14;a:4:{s:3:"tag";s:3:"img";s:6:"option";N;s:8:"original";a:2:{i:0;s:5:"[IMG]";i:1;s:6:"[/IMG]";}s:8:"children";a:1:{i:0;s:83:"https://pic2.zhimg.com/v2-42d1f5b300a9815b03d22edcac98ca8e_720w.jpg?source=8673f162";}}i:15;s:123:" 日本物理学家汤川秀树（ゆかわ ひでき，Hideki Yukawa，1907-01-23 ~ 1981-09-08） （图片来自[1]） ";i:16;a:4:{s:3:"tag";s:3:"img";s:6:"option";N;s:8:"original";a:2:{i:0;s:5:"[IMG]";i:1;s:6:"[/IMG]";}s:8:"children";a:1:{i:0;s:40:"https://www.zhihu.com/equation?tex=%5Cpi";}}i:17;s:32:" 介子一共有三种：中性 ";i:18;a:4:{s:3:"tag";s:3:"img";s:6:"option";N;s:8:"original";a:2:{i:0;s:5:"[IMG]";i:1;s:6:"[/IMG]";}s:8:"children";a:1:{i:0;s:40:"https://www.zhihu.com/equation?tex=%5Cpi";}}i:19;s:23:" 介子、带正电性 ";i:20;a:4:{s:3:"tag";s:3:"img";s:6:"option";N;s:8:"original";a:2:{i:0;s:5:"[IMG]";i:1;s:6:"[/IMG]";}s:8:"children";a:1:{i:0;s:40:"https://www.zhihu.com/equation?tex=%5Cpi";}}i:21;s:23:" 介子以及带负电 ";i:22;a:4:{s:3:"tag";s:3:"img";s:6:"option";N;s:8:"original";a:2:{i:0;s:5:"[IMG]";i:1;s:6:"[/IMG]";}s:8:"children";a:1:{i:0;s:40:"https://www.zhihu.com/equation?tex=%5Cpi";}}i:23;s:30:" 介子。 （分别记为：";i:24;a:4:{s:3:"tag";s:3:"img";s:6:"option";N;s:8:"original";a:2:{i:0;s:5:"[IMG]";i:1;s:6:"[/IMG]";}s:8:"children";a:1:{i:0;s:44:"https://www.zhihu.com/equation?tex=%5Cpi%5E0";}}i:25;s:3:"，";i:26;a:4:{s:3:"tag";s:3:"img";s:6:"option";N;s:8:"original";a:2:{i:0;s:5:"[IMG]";i:1;s:6:"[/IMG]";}s:8:"children";a:1:{i:0;s:46:"https://www.zhihu.com/equation?tex=%5Cpi%5E%2B";}}i:27;s:3:"，";i:28;a:4:{s:3:"tag";s:3:"img";s:6:"option";N;s:8:"original";a:2:{i:0;s:5:"[IMG]";i:1;s:6:"[/IMG]";}s:8:"children";a:1:{i:0;s:44:"https://www.zhihu.com/equation?tex=%5Cpi%5E-";}}i:29;s:99:"）光子是无质量的，电磁力的作用距离为无限远； 与此对应，传递强力的 ";i:30;a:4:{s:3:"tag";s:3:"img";s:6:"option";N;s:8:"original";a:2:{i:0;s:5:"[IMG]";i:1;s:6:"[/IMG]";}s:8:"children";a:1:{i:0;s:40:"https://www.zhihu.com/equation?tex=%5Cpi";}}i:31;s:52:" 介子是有质量的， 强力的传播距离与 ";i:32;a:4:{s:3:"tag";s:3:"img";s:6:"option";N;s:8:"original";a:2:{i:0;s:5:"[IMG]";i:1;s:6:"[/IMG]";}s:8:"children";a:1:{i:0;s:40:"https://www.zhihu.com/equation?tex=%5Cpi";}}i:33;s:28:" 介子质量的关系为：";i:34;a:4:{s:3:"tag";s:3:"img";s:6:"option";N;s:8:"original";a:2:{i:0;s:5:"[IMG]";i:1;s:6:"[/IMG]";}s:8:"children";a:1:{i:0;s:68:"https://www.zhihu.com/equation?tex=R%3D%5Cfrac%7B%5Chbar%7D%7B+mc%7D";}}i:35;s:9:" 其中 ";i:36;a:4:{s:3:"tag";s:3:"img";s:6:"option";N;s:8:"original";a:2:{i:0;s:5:"[IMG]";i:1;s:6:"[/IMG]";}s:8:"children";a:1:{i:0;s:36:"https://www.zhihu.com/equation?tex=m";}}i:37;s:5:" 为 ";i:38;a:4:{s:3:"tag";s:3:"img";s:6:"option";N;s:8:"original";a:2:{i:0;s:5:"[IMG]";i:1;s:6:"[/IMG]";}s:8:"children";a:1:{i:0;s:40:"https://www.zhihu.com/equation?tex=%5Cpi";}}i:39;s:16:" 介子质量，";i:40;a:4:{s:3:"tag";s:3:"img";s:6:"option";N;s:8:"original";a:2:{i:0;s:5:"[IMG]";i:1;s:6:"[/IMG]";}s:8:"children";a:1:{i:0;s:36:"https://www.zhihu.com/equation?tex=c";}}i:41;s:13:" 为光速，";i:42;a:4:{s:3:"tag";s:3:"img";s:6:"option";N;s:8:"original";a:2:{i:0;s:5:"[IMG]";i:1;s:6:"[/IMG]";}s:8:"children";a:1:{i:0;s:42:"https://www.zhihu.com/equation?tex=%5Chbar";}}i:43;s:26:" 为约化普朗克常数 ";i:44;a:4:{s:3:"tag";s:3:"img";s:6:"option";N;s:8:"original";a:2:{i:0;s:5:"[IMG]";i:1;s:6:"[/IMG]";}s:8:"children";a:1:{i:0;s:71:"https://www.zhihu.com/equation?tex=%5Chbar%3D%5Cfrac%7Bh%7D%7B2%5Cpi%7D";}}i:45;s:44:"。 经过简单的估算就可以知道，";i:46;a:4:{s:3:"tag";s:3:"img";s:6:"option";N;s:8:"original";a:2:{i:0;s:5:"[IMG]";i:1;s:6:"[/IMG]";}s:8:"children";a:1:{i:0;s:69:"https://www.zhihu.com/equation?tex=m%5Capprox+100-200%5Ctext%7BMeV%7D";}}i:47;s:23:"[2] 1947 年，带电 ";i:48;a:4:{s:3:"tag";s:3:"img";s:6:"option";N;s:8:"original";a:2:{i:0;s:5:"[IMG]";i:1;s:6:"[/IMG]";}s:8:"children";a:1:{i:0;s:40:"https://www.zhihu.com/equation?tex=%5Cpi";}}i:49;s:50:" 介子在宇宙射线中被发现，其质量为 ";i:50;a:4:{s:3:"tag";s:3:"img";s:6:"option";N;s:8:"original";a:2:{i:0;s:5:"[IMG]";i:1;s:6:"[/IMG]";}s:8:"children";a:1:{i:0;s:54:"https://www.zhihu.com/equation?tex=140%5Ctext%7BMeV%7D";}}i:51;s:133:"（大约是电子质量的 280 倍）, 与汤川秀树的预言一致，他也因此获得 1949 年的诺贝尔物理学奖[3]。 ";i:52;a:4:{s:3:"tag";s:3:"img";s:6:"option";N;s:8:"original";a:2:{i:0;s:5:"[IMG]";i:1;s:6:"[/IMG]";}s:8:"children";a:1:{i:0;s:83:"https://pic4.zhimg.com/v2-fb5f758ff0c405c63a6923525c2796a6_720w.jpg?source=8673f162";}}i:53;s:167:" The Nobel Prize in Physics 1949 was awarded to Hideki Yukawa 「for his prediction of the existence of mesons on the basis of theoretical work on nuclear forces.」 ";i:54;a:4:{s:3:"tag";s:1:"b";s:6:"option";N;s:8:"original";a:2:{i:0;s:3:"[B]";i:1;s:4:"[/B]";}s:8:"children";a:1:{i:0;s:16:"2、夸克尺度";}}i:55;s:76:" 随着粒子物理的发展，人们逐渐意识到， 质子、中子、";i:56;a:4:{s:3:"tag";s:3:"img";s:6:"option";N;s:8:"original";a:2:{i:0;s:5:"[IMG]";i:1;s:6:"[/IMG]";}s:8:"children";a:1:{i:0;s:40:"https://www.zhihu.com/equation?tex=%5Cpi";}}i:57;s:106:" 介子等粒子应该是由更基本的粒子构成的。 1964 年，Gell-Mann 和 Zweig 同时提出来";i:58;a:4:{s:3:"tag";s:1:"b";s:6:"option";N;s:8:"original";a:2:{i:0;s:3:"[B]";i:1;s:4:"[/B]";}s:8:"children";a:1:{i:0;a:4:{s:3:"tag";s:1:"i";s:6:"option";N;s:8:"original";a:2:{i:0;s:3:"[I]";i:1;s:4:"[/I]";}s:8:"children";a:1:{i:0;s:12:"夸克模型";}}}}i:59;s:44:"， 在夸克模型中，质子、中子、";i:60;a:4:{s:3:"tag";s:3:"img";s:6:"option";N;s:8:"original";a:2:{i:0;s:5:"[IMG]";i:1;s:6:"[/IMG]";}s:8:"children";a:1:{i:0;s:40:"https://www.zhihu.com/equation?tex=%5Cpi";}}i:61;s:156:" 介子均是通过上夸克（u quark）和下夸克（d quark）的不同组合构成的； 20 世纪 70 年代，用于描述夸克之间相互作用的";i:62;a:4:{s:3:"tag";s:1:"i";s:6:"option";N;s:8:"original";a:2:{i:0;s:3:"[I]";i:1;s:4:"[/I]";}s:8:"children";a:1:{i:0;a:4:{s:3:"tag";s:1:"b";s:6:"option";N;s:8:"original";a:2:{i:0;s:3:"[B]";i:1;s:4:"[/B]";}s:8:"children";a:1:{i:0;s:50:"量子色动力学（QCD， Quantum Chromodynamics";}}}}i:63;s:74:"）也逐渐建立起来。 在量子色动力学中，夸克之间存在";i:64;a:4:{s:3:"tag";s:1:"b";s:6:"option";N;s:8:"original";a:2:{i:0;s:3:"[B]";i:1;s:4:"[/B]";}s:8:"children";a:1:{i:0;s:15:"强相互作用";}}i:65;s:41:"， 夸克之间的强相互作用通过";i:66;a:4:{s:3:"tag";s:1:"b";s:6:"option";N;s:8:"original";a:2:{i:0;s:3:"[B]";i:1;s:4:"[/B]";}s:8:"children";a:1:{i:0;s:6:"胶子";}}i:67;s:77:"传递（这个其实跟电磁相互作用由光子传递更为接近）。 ";i:68;a:4:{s:3:"tag";s:3:"img";s:6:"option";N;s:8:"original";a:2:{i:0;s:5:"[IMG]";i:1;s:6:"[/IMG]";}s:8:"children";a:1:{i:0;s:83:"https://pic3.zhimg.com/v2-e02ffe03cd67c9d9a9b7d53a582d2a2a_720w.jpg?source=8673f162";}}i:69;s:202:" 粒子物理标准模型。其中存在六种夸克。 在夸克模型中： 质子是由两个上夸克和一个下夸克构成(uud)， 中子是由一个上夸克和两个下夸克构成(udd)， ";i:70;a:4:{s:3:"tag";s:3:"img";s:6:"option";N;s:8:"original";a:2:{i:0;s:5:"[IMG]";i:1;s:6:"[/IMG]";}s:8:"children";a:1:{i:0;s:44:"https://www.zhihu.com/equation?tex=%5Cpi%5E0";}}i:71;s:37:" 是由正反上下夸克对构成（";i:72;a:4:{s:3:"tag";s:3:"img";s:6:"option";N;s:8:"original";a:2:{i:0;s:5:"[IMG]";i:1;s:6:"[/IMG]";}s:8:"children";a:1:{i:0;s:66:"https://www.zhihu.com/equation?tex=%5Cbar%7Bu%7Du%2B%5Cbar%7Bd%7Dd";}}i:73;s:3:"，";i:74;a:4:{s:3:"tag";s:3:"img";s:6:"option";N;s:8:"original";a:2:{i:0;s:5:"[IMG]";i:1;s:6:"[/IMG]";}s:8:"children";a:1:{i:0;s:48:"https://www.zhihu.com/equation?tex=%5Cbar%7Bu%7D";}}i:75;s:25:" 代表反上夸克)， ";i:76;a:4:{s:3:"tag";s:3:"img";s:6:"option";N;s:8:"original";a:2:{i:0;s:5:"[IMG]";i:1;s:6:"[/IMG]";}s:8:"children";a:1:{i:0;s:46:"https://www.zhihu.com/equation?tex=%5Cpi%5E%2B";}}i:77;s:51:" 由一个上夸克和一个反下夸克构成， ";i:78;a:4:{s:3:"tag";s:3:"img";s:6:"option";N;s:8:"original";a:2:{i:0;s:5:"[IMG]";i:1;s:6:"[/IMG]";}s:8:"children";a:1:{i:0;s:44:"https://www.zhihu.com/equation?tex=%5Cpi%5E-";}}i:79;s:51:" 由一个下夸克和一个反上夸克构成。 ";i:80;a:4:{s:3:"tag";s:3:"img";s:6:"option";N;s:8:"original";a:2:{i:0;s:5:"[IMG]";i:1;s:6:"[/IMG]";}s:8:"children";a:1:{i:0;s:83:"https://pic2.zhimg.com/v2-33d85e2bd0018c23fd7485c5e98caac2_720w.jpg?source=8673f162";}}i:81;s:192:" 因此，质子 / 中子之间的强力， 其本质上是构成质子 / 中子的夸克之间的强相互作用， 不同质子 / 中子的夸克， 通过交换也是由夸克构成的 ";i:82;a:4:{s:3:"tag";s:3:"img";s:6:"option";N;s:8:"original";a:2:{i:0;s:5:"[IMG]";i:1;s:6:"[/IMG]";}s:8:"children";a:1:{i:0;s:40:"https://www.zhihu.com/equation?tex=%5Cpi";}}i:83;s:113:" 介子产生强力， 强力本质上是强相互作用在不同质子 / 中子之间的剩余相互作用。 ";i:84;a:4:{s:3:"tag";s:3:"img";s:6:"option";N;s:8:"original";a:2:{i:0;s:5:"[IMG]";i:1;s:6:"[/IMG]";}s:8:"children";a:1:{i:0;s:83:"https://pic4.zhimg.com/v2-2cd39624e9820ef436eeeb5fd7621429_720w.gif?source=8673f162";}}i:85;s:159:" 核力的夸克示意图。带字母的大球为夸克，无字母的小球为胶子。 （上图来自[4]） 图中演示了质子和中子交换了一个 ";i:86;a:4:{s:3:"tag";s:3:"img";s:6:"option";N;s:8:"original";a:2:{i:0;s:5:"[IMG]";i:1;s:6:"[/IMG]";}s:8:"children";a:1:{i:0;s:44:"https://www.zhihu.com/equation?tex=%5Cpi%5E0";}}i:87;s:74:" 而产生的强力。 这一点也可以通过费曼图来展现[4]： ";i:88;a:4:{s:3:"tag";s:3:"img";s:6:"option";N;s:8:"original";a:2:{i:0;s:5:"[IMG]";i:1;s:6:"[/IMG]";}s:8:"children";a:1:{i:0;s:83:"https://pic4.zhimg.com/v2-df23b111251b1d20f5d1bf4da740b1f5_720w.jpg?source=8673f162";}}i:89;s:2:" ";i:90;a:4:{s:3:"tag";s:1:"b";s:6:"option";N;s:8:"original";a:2:{i:0;s:3:"[B]";i:1;s:4:"[/B]";}s:8:"children";a:1:{i:0;s:10:"3、最后";}}i:91;s:19:" 题目中问： ";i:92;a:4:{s:3:"tag";s:6:"indent";s:6:"option";N;s:8:"original";a:2:{i:0;s:8:"[INDENT]";i:1;s:9:"[/INDENT]";}s:8:"children";a:1:{i:0;s:54:"是什么力让原子核中的质子紧挨在一起？";}}i:93;s:190:" 实际上，原子核中的质子并不会「紧挨在一起」， 往往是由中子隔开一定的间距， 这也是关系到原子核的稳定性。 具体可参考本人回答： ";i:94;a:4:{s:3:"tag";s:3:"url";s:6:"option";s:58:"https://www.zhihu.com/question/311058906/answer/1328898281";s:8:"original";a:2:{i:0;s:66:"[URL='https://www.zhihu.com/question/311058906/answer/1328898281']";i:1;s:6:"[/URL]";}s:8:"children";a:1:{i:0;s:72:"原子核内为什么基本都是一个质子一个中子的的比例？";}}i:95;s:2:" ";i:96;a:4:{s:3:"tag";s:3:"url";s:6:"option";s:40:"https://www.zhihu.com/question/432549876";s:8:"original";a:2:{i:0;s:48:"[URL='https://www.zhihu.com/question/432549876']";i:1;s:6:"[/URL]";}s:8:"children";a:1:{i:0;s:12:"阅读原文";}}}, 1621686945, 1714352717
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