{"product_id":"vacuum-hood-suction-disc-bell-in-vacuum-laboratory-jar-sound-physics-for-sound-propagation-experiment-and-low-pressure-plastic-cover-boiling-test","title":"真空実験用ベルジャー（真空フード・吸盤付き）：音の伝播実験および低圧沸騰実験用プラスチックカバー","description":"\u003cul style=\"box-sizing: border-box; margin: 0px 0px 1px 25px; color: #333333; padding: 0px; font-size: 13px; font-family: verdana, arial, helvetica, sans-serif; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: #ffffff; text-decoration-style: initial; text-decoration-color: initial; list-style-type: disc;\"\u003e\n\n\u003cli style=\"box-sizing: border-box; list-style: disc; word-wrap: break-word; margin: 0px;\"\u003e最大高さ：270mm\u003c\/li\u003e\n\n\u003cli style=\"box-sizing: border-box; list-style: disc; word-wrap: break-word; margin: 0px;\"\u003e最大直径：195mm\u003c\/li\u003e\n\n\u003cli style=\"box-sizing: border-box; list-style: disc; word-wrap: break-word; margin: 0px;\"\u003e主な材質：ガラスおよびプラスチック\u003c\/li\u003e\n\n\u003cli style=\"box-sizing: border-box; list-style: disc; word-wrap: break-word; margin: 0px;\"\u003e注意：実験には真空ポンプが必要です。\u003c\/li\u003e\n\n\u003cli style=\"box-sizing: border-box; list-style: disc; word-wrap: break-word; margin: 0px;\"\u003e\n\n\u003cspan style=\"color: #333333; font-family: 'Amazon Ember', Arial, sans-serif; font-size: small; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: #ffffff; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;\"\u003e1. 音の伝播実験\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cbr style=\"box-sizing: border-box; color: #333333; font-family: 'Amazon Ember', Arial, sans-serif; font-size: small; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: #ffffff; text-decoration-style: initial; text-decoration-color: initial;\"\u003e\u003cspan style=\"color: #333333; font-family: 'Amazon Ember', Arial, sans-serif; font-size: small; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: #ffffff; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;\"\u003eベルを鳴らした状態では、ベルの音がはっきりと聞こえます。次にベル容器内の空気を抜くと、電気ベルの音は徐々に小さくなり、やがて聞こえなくなります。排気バルブを閉じて生徒に観察させると、ベルのハンマーは動き続けて鳴っていますが、音は聞こえなくなります。\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cbr style=\"box-sizing: border-box; color: #333333; font-family: 'Amazon Ember', Arial, sans-serif; font-size: small; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: #ffffff; text-decoration-style: initial; text-decoration-color: initial;\"\u003e\u003cspan style=\"color: #333333; font-family: 'Amazon Ember', Arial, sans-serif; font-size: small; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: #ffffff; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;\"\u003e2. 低圧沸騰試験\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"GOOGmachine","offers":[{"title":"Default Title","offer_id":20127196086375,"sku":"","price":71.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0042\/7606\/0263\/products\/1_30402197-27f0-42d8-904a-857322b2ae28.jpg?v=1553062588","url":"https:\/\/googmachine.com\/ja\/products\/vacuum-hood-suction-disc-bell-in-vacuum-laboratory-jar-sound-physics-for-sound-propagation-experiment-and-low-pressure-plastic-cover-boiling-test","provider":"GOOGmachine","version":"1.0","type":"link"}