{"id":13816,"date":"2025-09-03T16:24:54","date_gmt":"2025-09-03T08:24:54","guid":{"rendered":"https:\/\/hkcablemachine.com\/?page_id=13816"},"modified":"2025-09-04T16:18:47","modified_gmt":"2025-09-04T08:18:47","slug":"research","status":"publish","type":"page","link":"https:\/\/hkcablemachine.com\/hi\/research\/","title":{"rendered":"research"},"content":{"rendered":"<div data-elementor-type=\"wp-page\" data-elementor-id=\"13816\" class=\"elementor elementor-13816\" data-elementor-settings=\"{&quot;element_pack_global_tooltip_width&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;element_pack_global_tooltip_width_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;element_pack_global_tooltip_width_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;element_pack_global_tooltip_padding&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;top&quot;:&quot;&quot;,&quot;right&quot;:&quot;&quot;,&quot;bottom&quot;:&quot;&quot;,&quot;left&quot;:&quot;&quot;,&quot;isLinked&quot;:true},&quot;element_pack_global_tooltip_padding_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;top&quot;:&quot;&quot;,&quot;right&quot;:&quot;&quot;,&quot;bottom&quot;:&quot;&quot;,&quot;left&quot;:&quot;&quot;,&quot;isLinked&quot;:true},&quot;element_pack_global_tooltip_padding_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;top&quot;:&quot;&quot;,&quot;right&quot;:&quot;&quot;,&quot;bottom&quot;:&quot;&quot;,&quot;left&quot;:&quot;&quot;,&quot;isLinked&quot;:true},&quot;element_pack_global_tooltip_border_radius&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;top&quot;:&quot;&quot;,&quot;right&quot;:&quot;&quot;,&quot;bottom&quot;:&quot;&quot;,&quot;left&quot;:&quot;&quot;,&quot;isLinked&quot;:true},&quot;element_pack_global_tooltip_border_radius_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;top&quot;:&quot;&quot;,&quot;right&quot;:&quot;&quot;,&quot;bottom&quot;:&quot;&quot;,&quot;left&quot;:&quot;&quot;,&quot;isLinked&quot;:true},&quot;element_pack_global_tooltip_border_radius_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;top&quot;:&quot;&quot;,&quot;right&quot;:&quot;&quot;,&quot;bottom&quot;:&quot;&quot;,&quot;left&quot;:&quot;&quot;,&quot;isLinked&quot;:true}}\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-be4c1de e-flex e-con-boxed e-con e-parent\" data-id=\"be4c1de\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-53a7b8b elementor-widget elementor-widget-spacer\" data-id=\"53a7b8b\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c2f75de elementor-widget elementor-widget-html\" data-id=\"c2f75de\" data-element_type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t\t\t<!-- ===== HK Research Catalog (page-scoped) ===== -->\n<style>\n#hk-research { font-size:16px }\n#hk-research h1{margin:0 0 12px}\n#hk-research .meta{color:#555;margin:8px 0 16px}\n#hk-research .tbl-wrap{overflow:auto;border:1px solid #e5e7eb;border-radius:12px}\n#hk-research table{width:100%;border-collapse:collapse}\n#hk-research thead th{background:#f8fafc;font-weight:600}\n#hk-research th,#hk-research td{border-bottom:1px solid #eef2f7;padding:10px 12px;text-align:left;vertical-align:top}\n#hk-research tr:last-child td{border-bottom:none}\n#hk-research .pill{display:inline-block;padding:2px 8px;border:1px solid #d1d5db;border-radius:999px;font-size:.85em;background:#fff}\n#hk-research .ok{background:#eafff1;border-color:#a7f3d0}\n#hk-research .warn{background:#fff7ed;border-color:#fed7aa}\n#hk-research .btn{display:inline-block;padding:6px 10px;border:1px solid #d1d5db;border-radius:8px;background:#0f172a;color:#fff;text-decoration:none}\n#hk-research .btn:hover{filter:brightness(1.08)}\n#hk-research .tools{display:flex;gap:8px;align-items:center;margin:10px 0}\n#hk-research input[type=search]{padding:8px 10px;border:1px solid #d1d5db;border-radius:8px;min-width:260px}\n#hk-research .hint{font-size:.92em;color:#555;margin-top:8px}\n<\/style>\n\n<div id=\"hk-research\">\n  <h1>Hongkai Research Catalog<\/h1>\n  <div class=\"meta\">Open datasets and methods for citation and replication.<\/div>\n\n  <div class=\"tools\">\n    <input id=\"hk-q\" type=\"search\" placeholder=\"Search title \/ keywords \/ DOI\" aria-label=\"Search research table\">\n    <a class=\"btn\" href=\"\/contact-us\/\">\u0938\u0902\u092a\u0930\u094d\u0915<\/a>\n  <\/div>\n\n  <div class=\"tbl-wrap\">\n    <table id=\"hk-table\">\n      <thead>\n        <tr>\n          <th style=\"min-width:240px\">Title<\/th>\n          <th>Version<\/th>\n          <th>CSV<\/th>\n          <th>Methods (PDF)<\/th>\n          <th>DOI<\/th>\n          <th>Updated<\/th>\n          <th>Status<\/th>\n        <\/tr>\n      <\/thead>\n      <tbody>\n        <!-- Row 1 -->\n        <tr>\n          <td>\n            <a href=\"\/loose-tube-sz-pitch-study\/\">Loose-Tube SZ Pitch Study v1<\/a><br>\n            <small>Attenuation & fill uniformity vs SZ pitch.<\/small>\n          <\/td>\n          <td>v1.0<\/td>\n          <td><a href=\"https:\/\/hkcablemachine.com\/wp-content\/uploads\/2025\/09\/loose_tube_sz_pitch_v1.csv-header.csv\">CSV<\/a><\/td>\n          <td><a href=\"https:\/\/hkcablemachine.com\/wp-content\/uploads\/2025\/09\/Loose-Tube-SZ-Pitch-Study-v1.docx.pdf\" target=\"_blank\">PDF<\/a><\/td>\n          <td><span class=\"pill warn\">pending<\/span><\/td>\n          <td>2025-09-03<\/td>\n          <td><span class=\"pill\">header-only CSV<\/span><\/td>\n        <\/tr>\n        <!-- Row 2 -->\n        <tr>\n          <td>\n            <a href=\"\/fiber-optic-line-cost-model\/\">Fiber-Optic Line Cost Model v1<\/a><br>\n            <small>Transparent line economics (cost\/km, TCO, payback).<\/small>\n          <\/td>\n          <td>v1.0<\/td>\n          <td><a href=\"https:\/\/hkcablemachine.com\/wp-content\/uploads\/2025\/09\/foc_line_cost_model_v1.csv-header.csv\">CSV<\/a><\/td>\n          <td><a href=\"https:\/\/hkcablemachine.com\/wp-content\/uploads\/2025\/09\/Fiber-Optic-Line-Cost-Model-v1.docx.pdf\" target=\"_blank\">PDF<\/a><\/td>\n          <td><span class=\"pill warn\">pending<\/span><\/td>\n          <td>2025-09-03<\/td>\n          <td><span class=\"pill\">header-only CSV<\/span><\/td>\n        <\/tr>\n        <!-- Row 3 -->\n        <tr>\n          <td>\n            <a href=\"\/lan-pair-twist-benchmark\/\">LAN Pair Twisting Benchmark v1: Triple vs Double<\/a><br>\n            <small>Throughput & NEXT comparison under matched conditions.<\/small>\n          <\/td>\n          <td>v1.0<\/td>\n          <td><a href=\"https:\/\/hkcablemachine.com\/wp-content\/uploads\/2025\/09\/lan_pair_twist_benchmark_v1.csv-header.csv\">CSV<\/a><\/td>\n          <td><a href=\"https:\/\/hkcablemachine.com\/wp-content\/uploads\/2025\/09\/LAN-Pair-Twisting-Benchmark-v1.docx.pdf\" target=\"_blank\">PDF<\/a><\/td>\n          <td><span class=\"pill warn\">pending<\/span><\/td>\n          <td>2025-09-03<\/td>\n          <td><span class=\"pill\">header-only CSV<\/span><\/td>\n        <\/tr>\n      <\/tbody>\n    <\/table>\n  <\/div>\n\n  <div class=\"hint\">\n    Note: \u201cheader-only CSV\u201d indicates the file currently contains column headers only. Add \u226550\u2013200 rows of observations to enable third-party verification and improve citability.\n  <\/div>\n<\/div>\n\n<script>\n\/* tiny search filter *\/\n(function(){\n  const q = document.getElementById('hk-q');\n  const rows = Array.from(document.querySelectorAll('#hk-table tbody tr'));\n  if(!q) return;\n  q.addEventListener('input', ()=>{\n    const term = q.value.toLowerCase().trim();\n    rows.forEach(r=>{\n      r.style.display = r.innerText.toLowerCase().includes(term) ? '' : 'none';\n    });\n  });\n})();\n<\/script>\n<!-- ===== \/HK Research Catalog ===== -->\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-efbb87a elementor-widget elementor-widget-spacer\" data-id=\"efbb87a\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Research LAN Pair Twisting Benchmark v1: Triple vs Double Reproducible study comparing triple vs double twist under matched lay\/back-twist. Includes throughput, NEXT margin, energy per kg, and labor per ton. Read More Loose-Tube SZ Pitch Study v1 Experimental data on how pitch length affects attenuation, ovality, and fill uniformity across multiple tube\/resin\/gel configurations. Read More [&hellip;]<\/p>","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"no-sidebar","site-content-layout":"page-builder","ast-site-content-layout":"full-width-container","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-13816","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/hkcablemachine.com\/hi\/wp-json\/wp\/v2\/pages\/13816","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hkcablemachine.com\/hi\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/hkcablemachine.com\/hi\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/hkcablemachine.com\/hi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hkcablemachine.com\/hi\/wp-json\/wp\/v2\/comments?post=13816"}],"version-history":[{"count":0,"href":"https:\/\/hkcablemachine.com\/hi\/wp-json\/wp\/v2\/pages\/13816\/revisions"}],"wp:attachment":[{"href":"https:\/\/hkcablemachine.com\/hi\/wp-json\/wp\/v2\/media?parent=13816"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}