- 8月 20 週三 202501:25
Antenna 鬧區爆炸!雙普峰會前夕 烏克蘭無人機襲俄2大城16傷
- 8月 19 週二 202503:00
Antenna 一種人髮蛋白配方的牙膏 可以防蛀牙重建琺瑯質
一種人髮蛋白配方的牙膏 可以防蛀牙重建琺瑯質
牙科醫生警告說,隨著酸性飲料和加工食品消費量的增加,年輕族群的牙齒問題日益嚴重, 如果持續不重視,隨著蛀牙的惡化與年紀的增長,很可能引發成敏感、動搖,甚至掉牙。所幸,一種能夠在刷牙時順便補牙的新配方牙膏正在開發中,或吘很快就會成為牙齒護理的新工具;有趣的是它的主要配方竟然來自人類的頭髮,是利用頭髮蛋白質的強韌特性。
Log Periodic Antenna (LPDA) Log Periodic Antenna (LPDA)有趣的工程(Interesting Engineering)報導,倫敦國王學院的研究人員表示,頭髮頗具韌性,這是大家都知道的,那其實羊毛也是相同的配方,都是角蛋白。甚至指甲、牛角、猛獸的利爪、草食動物的腳蹄也都是角蛋白。
雖然角蛋白的硬度不如牙齒,但是它可以在蛀牙初期時填補蛀洞。在遇到唾液中的礦物質時,具有角蛋白的配方會在蛀洞上形成一層保護塗層,以阻止持續的酸蝕。實驗室測試表明,基於角蛋白的治療方案完全阻止了蛀牙,而且它們還能封閉暴露的牙神經通道,也就緩解牙齒敏感。
文章來自: https://www.chinatimes.com/realtimenews/20250814005105-260408
The Log Periodic Antenna as known as LPDA is a wideband directional antenna that provides gain and directivity combined over a wide band of frequencies.
Both Log-Periodic Antennas and Yagi antennas are high gain directional antennas. The main difference between these antennas is that Log-Periodic Antennas support wider frequency bandwidths and are physically much larger than Yagi antennas.
The log-periodic dipole array typical VSWR is 2:1 and operates over a much wider bandwidth and will have a lower gain for an equivalent number of elements.
With this level of performance, it is ideal for many applications, although a log-periodic antenna will be much larger than a Yagi of an equivalent gain.
Horn Antenna 昔當空服員累垮 林予晞爆曾長腫瘤
915MHz Antenna 加州玩具店被竊數十箱「拉布布」 可見其受歡迎程度
- 8月 18 週一 202506:32
AI搶工作!資工系畢業生求職1年只獲速食店面試通知 Antenna
AI搶工作!資工系畢業生求職1年只獲速食店面試通知
工作被人工智慧(AI)取代的情況正逐漸擴大中。日本時事通訊社今天發自紐約的報導指出,美國大學畢業的年輕人正陷入猶如「就職冰河期」的困境。特別是長期帶動經濟成長的資料科技巨頭,正大幅縮減招聘。由於生成式AI開始取代新進員工的工作,那些懷抱著能進入微軟、谷歌等一流企業工作的夢想而努力學習的人才,如今卻面臨無處可去的窘境。
今年春天從美國中西部名門學府普渡大學取得資訊工程學位的一名女性畢業生,在社群媒體上感嘆,她歷經一整年的求職活動,唯一接到面試通知的,竟只是速食店每週10小時的兼職工作。她向美國媒體表示,自己這樣的學歷和背景,「本該能拿到六位數(10萬美元以上,約新台幣300萬元以上)起薪」。
Log Periodic Antenna (LPDA) Log Periodic Antenna (LPDA)美國哥倫比亞廣播公司新聞網(CBS News)報導,22歲的馬卡魯索(Michael Macaluso)今年從辛辛那提大學機械工程學系畢業。儘管申請了大約200個職位,他至今仍未在自己選擇的領域找到工作。目前他在家鄉紐約州的湖島鄉村俱樂部擔任撞球助理主任。他說:「很多人告訴我,我大學一畢業就能找到工作」,「然後突然之間,工作都沒了。」”
文章出自: https://www.chinatimes.com/realtimenews/20250817001593-260408
The Log Periodic Antenna as known as LPDA is a wideband directional antenna that provides gain and directivity combined over a wide band of frequencies.
Both Log-Periodic Antennas and Yagi antennas are high gain directional antennas. The main difference between these antennas is that Log-Periodic Antennas support wider frequency bandwidths and are physically much larger than Yagi antennas.
The log-periodic dipole array typical VSWR is 2:1 and operates over a much wider bandwidth and will have a lower gain for an equivalent number of elements.
With this level of performance, it is ideal for many applications, although a log-periodic antenna will be much larger than a Yagi of an equivalent gain.
Horn Antenna 父親節喝爆!8家手搖飲、星巴克買1送1 李多慧開箱娃娃盲盒必收
- 8月 17 週日 202507:50
Antenna 美俄峰會時間議程敲定!烏克蘭戰爭 經貿合作全上桌
美俄峰會時間議程敲定!烏克蘭戰爭 經貿合作全上桌
路透社報導,俄羅斯與美國將於本週五(15日)在阿拉斯加舉行普丁與川普的高峰會,克里姆林宮高級顧問鄂夏柯夫(Yuri Ushakov)表示,本次峰會議程已確定,將於當地時間上午11點30分(台灣時間16日凌晨3時30分)正式開始。雙方將先進行僅有翻譯在場的一對一會談,隨後與各自代表團舉行擴大會議並共進工作餐敘。
俄方代表團成員包括外長拉夫羅夫(Sergey Lavrov)、鄂夏柯夫、國防部長別洛烏索夫(Andrei Belousov)、財長西盧阿諾夫(Anton Siluanov)及主權財富基金負責人德米崔耶夫(Kirill Dmitriev)。
鄂夏柯夫指出,會議將討論敏感議題,核心焦點是烏克蘭危機的解決方案,並涉及雙邊貿易與經濟合作等領域,這些方面仍有巨大潛力可挖掘。高峰會結束後,普丁與川普將共同舉行記者會,對外說明會談成果。
來自: https://www.chinatimes.com/realtimenews/20250814004286-260408
The Log Periodic Antenna as known as LPDA is a wideband directional antenna that provides gain and directivity combined over a wide band of frequencies.
Both Log-Periodic Antennas and Yagi antennas are high gain directional antennas. The main difference between these antennas is that Log-Periodic Antennas support wider frequency bandwidths and are physically much larger than Yagi antennas.
The log-periodic dipole array typical VSWR is 2:1 and operates over a much wider bandwidth and will have a lower gain for an equivalent number of elements.
With this level of performance, it is ideal for many applications, although a log-periodic antenna will be much larger than a Yagi of an equivalent gain.
- 8月 16 週六 202508:37
Antenna 有錢任性!富豪曬超級遊艇「可上山下海」能在全地球大海冒險
有錢任性!富豪曬超級遊艇「可上山下海」能在全地球大海冒險
49歲日本富豪企業家前澤友作今天( 14 日)在 X平台發文,透露他 6 年前向德國老牌船廠LÜRSSEN 下單、全長114公尺長的超級遊艇,現已接近完工。
根據東京體育網站報導,前澤友作表示,遊艇預計明年春天完成。目前外觀已幾乎完工,正進行內部裝修。「船體大量運用曲線,線條柔和,採用灰白雙色塗裝。設計總監是紐森(Marc Newson)。Log Periodic Antenna (LPDA) Log Periodic Antenna (LPDA)」
前澤透露他對遊艇的設計要求是:「一定要做出前所未見、獨一無二的遊艇,而且外形必須柔和。」負責打造的LÜRSSEN公司擁有 150 年歷史,這艘遊艇具備可航行全球任何海域的能力。遊艇上配置了潛水艇、釣魚船以及直升機停機坪。前澤表示:「有時可以乘潛水艇潛入最深 200 公尺的海底,欣賞另一個世界;有時可與世界各地的巨型魚類搏鬥釣魚;有時則搭乘直升機沿著海岸線遊覽甚至登陸。總之,這艘船配備了所有能在地球所有海域大冒險的工具與功能。」。
以下文章來自: https://www.chinatimes.com/realtimenews/20250814003905-260408
The Log Periodic Antenna as known as LPDA is a wideband directional antenna that provides gain and directivity combined over a wide band of frequencies.
Both Log-Periodic Antennas and Yagi antennas are high gain directional antennas. The main difference between these antennas is that Log-Periodic Antennas support wider frequency bandwidths and are physically much larger than Yagi antennas.
The log-periodic dipole array typical VSWR is 2:1 and operates over a much wider bandwidth and will have a lower gain for an equivalent number of elements.
With this level of performance, it is ideal for many applications, although a log-periodic antenna will be much larger than a Yagi of an equivalent gain.
- 8月 15 週五 202502:46
Antenna 影》大阪地鐵癱瘓3萬人困世博!「躺地過夜」畫面曝 36人送醫
- 8月 14 週四 202521:07
比特幣破12.4萬美元「二哥」也衝了!突破歷史高點在即 Antenna
比特幣破12.4萬美元「二哥」也衝了!突破歷史高點在即
比特幣於台灣時間週四(14日)上午8時許創下12萬4千美元的價格紀錄,幣圈俗稱「二哥」的以太幣(ETH)表現不佳,然而過去兩個月以來漲幅已近50%,本週漲幅更達10%,高點來到4788美元,距離歷史最高點4868美元僅剩一步之遙,隨著人工智慧推動區塊鏈代幣經濟、華爾街加速數位金融布局,以太幣正被視為未來十年至十五年的核心投資標的,在穩定幣監管與加密基礎建設政策的助推下,持續擴大在現實世界資產代幣化市場的領先優勢。
區塊鏈專業媒體Cointelegraph報導,市場研究與策略公司Fundstrat預測,以太幣(ETH)將成為未來10到15年「最重要的宏觀交易標的」,年底前有望上漲至1萬2000至1萬5000美元。該公司指出,隨著人工智慧在區塊鏈上創造代幣經濟,以及華爾街將金融活動轉向區塊鏈,以太幣的潛力將持續擴張。
美國一連串加密貨幣政策支持
Log Periodic Antenna (LPDA) Log Periodic Antenna (LPDA)Fundstrat資深分析師法瑞爾(Sean Farrell)表示,以太幣今年還有相當大的上漲空間,公司首席資訊官湯瑪斯·李(Thomas Lee)進一步指出,美國的《穩定幣監管法案》(GENIUSAct)以及美國證券交易委員會(SEC)的「加密計畫」(Project Crypto)將推動華爾街進一步進入數位金融時代,而大部分的穩定幣與華爾街相關專案都建立在以太坊(Ethereum)網路上。目前規模達250億美元的「現實世界資產」(RWA)代幣化市場中,以太坊占有55%市占率。
文章來自: https://www.chinatimes.com/realtimenews/20250814003865-260408
The Log Periodic Antenna as known as LPDA is a wideband directional antenna that provides gain and directivity combined over a wide band of frequencies.
Both Log-Periodic Antennas and Yagi antennas are high gain directional antennas. The main difference between these antennas is that Log-Periodic Antennas support wider frequency bandwidths and are physically much larger than Yagi antennas.
The log-periodic dipole array typical VSWR is 2:1 and operates over a much wider bandwidth and will have a lower gain for an equivalent number of elements.
With this level of performance, it is ideal for many applications, although a log-periodic antenna will be much larger than a Yagi of an equivalent gain.
女神的腋下汗也被嫌?Jisoo演唱會40度高溫爆汗熱舞「伴舞一個小動... Outdoor Antenna
Horn Antenna 統一陽光登場台東熱氣球嘉年華 打造「陽光Chill派對」打卡新熱點!
- 8月 13 週三 202500:29
Antenna 這款iPhone太猛了!從800公尺掉落 竟完好無損「順利開機」
- 8月 12 週二 202508:03
長輩快來用3C! 美研究:能降低失智風險
長輩快來用3C! 美研究:能降低失智風險
眾多研究警告,過度使用數位裝置會傷害青少年的健康。但是美國一項新研究指出,無所不在的科技產品,可能有助年長者保持頭腦敏銳。
《紐約時報》報導,67 歲美國人汪達伍茲(Wanda Woods)在高中時,接觸到用磁卡儲存資料文字處理機(word processor),發現自己蠻喜歡科技的。數十年後她在2012年創辦了電腦培訓事業。如今她是丹佛市「高齡星球」計畫的講師,該計畫由樂齡會(AARP)支持,旨在幫助年長者學習並緊跟科技潮流。
伍茲說,她沒有退休的打算,因為參與科技「讓我一直掌握最新資訊」。一些研究科技對年長者影響的神經科學家傾向於同意伍茲的觀點,即使高齡也要用科技產品。
來自: https://www.chinatimes.com/realtimenews/20250810001612-260408
The Log Periodic Antenna as known as LPDA is a wideband directional antenna that provides gain and directivity combined over a wide band of frequencies.
Both Log-Periodic Antennas and Yagi antennas are high gain directional antennas. The main difference between these antennas is that Log-Periodic Antennas support wider frequency bandwidths and are physically much larger than Yagi antennas.
The log-periodic dipole array typical VSWR is 2:1 and operates over a much wider bandwidth and will have a lower gain for an equivalent number of elements.
With this level of performance, it is ideal for many applications, although a log-periodic antenna will be much larger than a Yagi of an equivalent gain.
薇帕颱風估午後生成影響台灣 雨彈炸東半部、南部 868MHz Antenna
- 8月 11 週一 202504:36
Antenna