{"id":40340,"date":"2026-01-13T21:31:28","date_gmt":"2026-01-13T13:31:28","guid":{"rendered":"http:\/\/www.qiusir.com\/?p=40340"},"modified":"2026-01-21T16:51:08","modified_gmt":"2026-01-21T08:51:08","slug":"%e6%b4%9b%e4%bc%a6%e5%85%b9%e5%8a%9b%e5%86%b2%e9%87%8f%e7%9a%84%e5%ba%94%e7%94%a8","status":"publish","type":"post","link":"https:\/\/www.qiusir.com\/?p=40340","title":{"rendered":"\u6d1b\u4f26\u5179\u529b\u51b2\u91cf\u7684\u5e94\u7528"},"content":{"rendered":"\n

JQX\/\u8fdb\u53d6\u82af \u5e2d\u660e\u7eb3\u7b2c23\u671f\uff082025.12.25\uff09
\"\"<\/p>\n\n\n\n

\u6d1b\u4f26\u5179\u529b\u51b2\u91cf\u7684\u5e94\u7528<\/h1>\n\n\n\n

\u4e00\u3001\u6d1b\u4f26\u5179\u529b\u7684\u51b2\u91cf<\/h2>\n\n\n\n

\u5e26\u7535\u7c92\u5b50\u5728\u5300\u5f3a\u78c1\u573a\u4e2d\u8fd0\u52a8\u65f6\uff0c\u6240\u53d7\u6d1b\u4f26\u5179\u529b\u65b9\u5411\u4e0e\u901f\u5ea6\u65b9\u5411\u65f6\u523b\u5782\u76f4\u3002\u6d1b\u4f26\u5179\u529b\u7684\u51b2\u91cf\u53ef\u4ee5\u901a\u8fc7\u7d2f\u52a0\u8fdb\u884c\u8ba1\u7b97\u3002
$$ \\mathbf{I} = \\int \\mathbf{F} \\, dt = \\int q \\, (\\mathbf{v} \\times \\mathbf{B}) \\, dt = q \\left( \\int \\mathbf{v} \\, dt \\right) \\times \\mathbf{B} = q \\, \\mathbf{x} \\times \\mathbf{B} $$
\u5176\u4e2d\uff0c$\\mathbf{x} = \\int \\mathbf{v}$, $dt$ \u4e3a\u7c92\u5b50\u4ece\u521d\u59cb\u65f6\u523b\u5230\u672b\u65f6\u523b\u7684\u4f4d\u79fb\u77e2\u91cf\u3002\u8be5\u51b2\u91cf\u7684\u65b9\u5411\u7531\u53c9\u79ef\u51b3\u5b9a\uff0c\u59cb\u7ec8\u5782\u76f4\u4e8e\u4f4d\u79fb\u77e2\u91cf $\\mathbf{x}$ \u4e0e\u78c1\u573a $\\mathbf{B}$ \u6240\u6784\u6210\u7684\u5e73\u9762\uff0c\u5373\u540c\u65f6\u5782\u76f4\u4e8e $\\mathbf{x}$ \u548c $\\mathbf{B}$\u3002\u5176\u5927\u5c0f\u4e3a $|\\mathbf{I}| = q B x \\sin\\theta$\uff0c$\\theta$ \u4e3a $\\mathbf{x}$ \u4e0e $\\mathbf{B}$ \u7684\u5939\u89d2\u3002
\u4f8b\u9898\uff1a
\u5bf9\u4e8e\u4e00\u4e2a\u5e26\u7535\u7c92\u5b50\u5728\u5300\u5f3a\u78c1\u573a\u4e2d\u4f5c\u5300\u901f\u5706\u5468\u8fd0\u52a8\u7684\u8fc7\u7a0b\uff0c\u4ece\u51fa\u53d1\u70b9\u5f00\u59cb\u8ba1\u65f6\uff0c\u6c42\u7ecf\u8fc7\u56db\u5206\u4e4b\u4e00\u4e2a\u5468\u671f\u6d1b\u4f26\u5179\u529b\u7684\u603b\u51b2\u91cf\u3002
\u65b9\u6cd5\u4e00\uff1a\u6839\u636e\u52a8\u91cf\u5b9a\u7406\uff0c\u52a8\u91cf\u7684\u53d8\u5316\u91cf\u5373\u4e3a\u6d1b\u4f26\u5179\u529b\u51b2\u91cf\u3002$\\sqrt{2} mv$\uff0c\u65b9\u5411\u4e0e\u8be5\u56db\u5206\u4e4b\u4e00\u5706\u5f27\u7684\u5f26\u5782\u76f4\u6307\u5411\u5706\u5fc3\u3002
\u65b9\u6cd5\u4e8c\uff1a\u7531\u6d1b\u4f26\u5179\u529b\u65b9\u5411\u59cb\u7ec8\u4e0e\u901f\u5ea6\u5782\u76f4\uff0c\u5176\u51b2\u91cf\u5927\u5c0f\u53ef\u901a\u8fc7\u7d2f\u52a0\u8ba1\u7b97\u3002$\\sum Bqv\\Delta t = Bq x$\uff0c\u8bf7\u6ce8\u610f\u8fd9\u91cc\u7684\u4f4d\u79fb $x$\u662f\u77e2\u91cf\uff0c\u5927\u5c0f\u5373\u4e3a\u5e26\u7535\u7c92\u5b50\u5728\u56db\u5206\u4e4b\u4e00\u5706\u5468\u7684\u5f26\u957f\uff0c\u65b9\u5411\u4e0e\u5176\u5782\u76f4\u3002\u90a3\u4e48\uff0c\u4ece\u5706\u4e0a\u4efb\u4e00\u70b9\u51fa\u53d1\uff0c\u5230\u5706\u4e0a\u7684\u4efb\u4e00\u70b9\uff0c\u6d1b\u4f26\u5179\u529b\u7684\u603b\u51b2\u91cf\u5927\u5c0f\u5747\u4e3a $Bq$ \u4e58\u4ee5\u8be5\u4e24\u70b9\u95f4\u5f26\u7684\u957f\u5ea6\uff0c\u65b9\u5411\u5782\u76f4\u4e8e\u5f26\u5e76\u6307\u5411\u5706\u5fc3\u4e00\u4fa7\u3002\uff08\u6d1b\u4f26\u5179\u529b\u51b2\u91cf\u6700\u5927\u7684\u70b9\u5728\u51fa\u53d1\u70b9\u5bf9\u4fa7\uff08\u76f4\u5f84\uff09\u3002\uff09<\/p>\n\n\n\n

\u4e8c\u3001\u6d1b\u4f26\u5179\u529b\u51b2\u91cf\u7684\u5e94\u7528<\/h2>\n\n\n\n

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1\uff09\u6b63\u5f26\u503c\u5373\u4e3a\u7ad6\u76f4\u5206\u901f\u5ea6\u4e0e\u901f\u5ea6\u7684\u6bd4\u503c\u3002\u5176\u4e2d\u7ad6\u76f4\u5206\u901f\u5ea6\u53ef\u4ee5\u4f7f\u7528\u52a8\u91cf\u5b9a\u7406\u6c42\u89e3\uff0c\u5408\u901f\u5ea6\u53ef\u4ee5\u901a\u8fc7\u52a8\u80fd\u5b9a\u7406\u8ba1\u7b97\u3002\u6c42\u89e3\u8fc7\u7a0b\u5982\u4e0b\uff1a
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\u6839\u636e\uff082\uff09\u2460\u95ee\uff0c\u7531\u4e8e\u78c1\u573a\u7684\u504f\u8f6c\uff0c\u8fdb\u5165\u5947\u6570\u7535\u573a\u7684\u901f\u5ea6\u65b9\u5411\u662f\u6c34\u5e73\u7684\uff0c\u6240\u4ee5\u6211\u4eec\u53ea\u9700\u8003\u8651\u5728\u5076\u6570\u7535\u573a\u4e2d\u7684\u504f\u8f6c\u60c5\u51b5\u3002
\u5728\u5076\u6570\u7535\u573a\u4e2d\uff0c\u7c92\u5b50\u7684\u7ad6\u76f4\u901f\u5ea6\u5747\u4e3a$\\frac{Bqd}{m}$\uff0c\u4e3a\u5300\u901f\u8fd0\u52a8\uff0c\u6240\u4ee5\u7ad6\u76f4\u504f\u8f6c\u4f4d\u79fb\u4e3a$\\frac{Bqd}{m} \\cdot t_{\\text{\u5076}}$\u3002
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\u7535\u573a\u7684\u5bbd\u5ea6\u6bd4\u4f8b\u4e3a1:3:5:7\u2026\u2026\uff0c\u6ee1\u8db3\u5300\u53d8\u901f\u7b49\u65f6\u95f4\u95f4\u9694\u3002\u4f46\u5728\u5076\u6570\u7535\u573a\u4e2d\uff0c\u7531\u4e8e\u901f\u5ea6\u4e0d\u6cbf\u7740\u6c34\u5e73\u65b9\u5411\uff0c\u65f6\u95f4\u4f1a\u53d1\u751f\u6539\u53d8\uff0c\u4f46\u56de\u5230\u5947\u6570\u7535\u573a\u4e2d\uff0c\u7ee7\u7eed\u7b49\u65f6\u95f4\u95f4\u9694\uff0c\u6240\u4ee5\u6211\u4eec\u53ef\u4ee5\u5229\u7528\u8fd9\u4e00\u7279\u70b9\uff0c\u6c42\u89e3\u5947\u6570\u7535\u573a\u7684\u65f6\u95f4$t_{\\text{\u5947}}$\u3002
\u6c42\u89e3\u8fc7\u7a0b\u5982\u4e0b\uff1a
\"\"
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\u7b2c\u4e8c\u9898\uff1a
\"\"
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\"\"<\/p>\n\n\n\n

\"\"<\/figure>
JQX|Jin<\/center>\n\n\n\n

\u3010\u4e0b\u671f\u9884\u544a\u3011
\u4ece\u6563\u5ea6,\u65cb\u5ea6\u5230\u9ea6\u514b\u65af\u97e6\u65b9\u7a0b\u7ec4\uff0c\u4e0b\u671fseminar\u5c06\u4e0e\u5927\u5bb6\u5171\u540c\u63a2\u7d22\u7269\u7406\u4e2d\u6700\u8ff7\u4eba\u7684\u63a8\u5bfc\u4e4b\u4e00:\u771f\u7a7a\u4ecb\u7535\u5e38\u6570\u548c\u771f\u7a7a\u78c1\u5bfc\u7387\u4e0e\u5149\u901f\u4e4b\u95f4\u7684\u8054\u7cfb\u3002<\/p>\n\n\n\n

<\/p>\n","protected":false},"excerpt":{"rendered":"

JQX\/\u8fdb\u53d6\u82af \u5e2d\u660e\u7eb3\u7b2c23\u671f\uff082025.12.25\uff09 \u6d1b\u4f26\u5179\u529b\u51b2\u91cf\u7684\u5e94\u7528 \u4e00\u3001\u6d1b\u4f26\u5179\u529b\u7684\u51b2\u91cf \u5e26\u7535\u7c92\u5b50\u5728\u5300\u5f3a … \u9605\u8bfb\u66f4\u591a<\/a><\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"footnotes":""},"categories":[9],"tags":[460],"class_list":["post-40340","post","type-post","status-publish","format-standard","hentry","category-jqx","tag-jqx"],"_links":{"self":[{"href":"https:\/\/www.qiusir.com\/index.php?rest_route=\/wp\/v2\/posts\/40340","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.qiusir.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.qiusir.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.qiusir.com\/index.php?rest_route=\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.qiusir.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=40340"}],"version-history":[{"count":7,"href":"https:\/\/www.qiusir.com\/index.php?rest_route=\/wp\/v2\/posts\/40340\/revisions"}],"predecessor-version":[{"id":44095,"href":"https:\/\/www.qiusir.com\/index.php?rest_route=\/wp\/v2\/posts\/40340\/revisions\/44095"}],"wp:attachment":[{"href":"https:\/\/www.qiusir.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=40340"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.qiusir.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=40340"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.qiusir.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=40340"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}