通常，雷(lei)電(dian)(dian)(dian)(dian)(dian)(dian)季節影響家用(yong)電(dian)(dian)(dian)(dian)(dian)(dian)器安(an)全(quan)的(de)(de)(de)(de)主要原因(yin)是由于(yu)感(gan)應(ying)雷(lei)的(de)(de)(de)(de)侵(qin)入而引(yin)起。感(gan)應(ying)雷(lei)是指當雷(lei)電(dian)(dian)(dian)(dian)(dian)(dian)發生時，在(zai)進(jin)入建筑物的(de)(de)(de)(de)各類(lei)金屬管、線(xian)(xian)(xian)上產生的(de)(de)(de)(de)雷(lei)電(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)磁脈沖(chong)(chong)。對(dui)于(yu)一個家庭來(lai)說，感(gan)應(ying)雷(lei)侵(qin)入主要有四(si)條途徑：供電(dian)(dian)(dian)(dian)(dian)(dian)線(xian)(xian)(xian)、電(dian)(dian)(dian)(dian)(dian)(dian)話線(xian)(xian)(xian)、有線(xian)(xian)(xian)電(dian)(dian)(dian)(dian)(dian)(dian)視或無(wu)線(xian)(xian)(xian)電(dian)(dian)(dian)(dian)(dian)(dian)視天線(xian)(xian)(xian)的(de)(de)(de)(de)饋線(xian)(xian)(xian)、住房的(de)(de)(de)(de)外墻或柱子。其中三(san)個途徑都是與家用(yong)電(dian)(dian)(dian)(dian)(dian)(dian)器有直接(jie)的(de)(de)(de)(de)外部(bu)線(xian)(xian)(xian)路連接(jie)，當這些線(xian)(xian)(xian)路是屬于(yu)架空入室時則危害更為嚴重。因(yin)為強烈(lie)的(de)(de)(de)(de)雷(lei)電(dian)(dian)(dian)(dian)(dian)(dian)感(gan)應(ying)作用(yong)將在(zai)這些架空導(dao)體上產生很高的(de)(de)(de)(de)雷(lei)電(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)磁脈沖(chong)(chong)，電(dian)(dian)(dian)(dian)(dian)(dian)磁脈沖(chong)(chong)沿著(zhu)這些導(dao)體直接(jie)進(jin)入家用(yong)電(dian)(dian)(dian)(dian)(dian)(dian)器而造成危害。強行科普，龍卷(juan)風(feng)的(de)(de)(de)(de)直徑一般在(zai)十幾米(mi)到(dao)數百米(mi)之間。安(an)徽氣象科普館設計(ji)方案

選(xuan)(xuan)購綠(lv)色(se)食品(pin)，很多蔬(shu)菜水(shui)(shui)果(guo)(guo)都噴灑過農藥(yao)、化肥，還有(you)很多食品(pin)使(shi)用(yong)了添加(jia)劑。這樣的食品(pin)會危(wei)害健康(kang)和智力(li)。所以，要選(xuan)(xuan)購不施農藥(yao)、化肥的新鮮果(guo)(guo)蔬(shu)，少吃含(han)防腐劑的方便快餐食品(pin)、有(you)色(se)素(su)的飲料(liao)和添加(jia)劑的香(xiang)脆零(ling)食。或者(zhe)認準(zhun)“綠(lv)色(se)食品(pin)”標志選(xuan)(xuan)購食品(pin)也行(xing)。選(xuan)(xuan)無磷洗衣(yi)粉(fen)，含(han)磷洗衣(yi)粉(fen)進(jin)(jin)入(ru)水(shui)(shui)源(yuan)后(hou)，會引起(qi)水(shui)(shui)中(zhong)(zhong)(zhong)藻類瘋長，水(shui)(shui)中(zhong)(zhong)(zhong)含(han)氧(yang)量(liang)下降(jiang)，水(shui)(shui)中(zhong)(zhong)(zhong)生物(wu)(wu)因(yin)缺氧(yang)而死(si)亡(wang)。水(shui)(shui)體也由此成為(wei)死(si)水(shui)(shui)、臭水(shui)(shui)。用(yong)充電，電池(chi)我們日常(chang)使(shi)用(yong)的電池(chi)是(shi)靠化學作(zuo)(zuo)用(yong)，通俗地(di)(di)講(jiang)就是(shi)靠腐蝕作(zuo)(zuo)用(yong)產生電能的。當其被廢棄在自然界(jie)時，這些物(wu)(wu)質便慢(man)慢(man)從電池(chi)中(zhong)(zhong)(zhong)溢(yi)出，進(jin)(jin)入(ru)土壤(rang)或水(shui)(shui)源(yuan)，再(zai)通過農作(zuo)(zuo)物(wu)(wu)進(jin)(jin)入(ru)人的食物(wu)(wu)鏈。用(yong)完的干電池(chi)攢(zan)到30公(gong)斤后(hou)，可聯系當地(di)(di)垃圾回收中(zhong)(zhong)(zhong)心(xin)回收。遼寧(ning)社區科普館(guan)設(she)計(ji)公(gong)司科普知(zhi)識，容易遭(zao)受(shou)雷(lei)擊的地(di)(di)點有(you)具(ju)有(you)不同電阻率土壤(rang)的交界(jie)地(di)(di)段。

龍(long)(long)卷風(feng)(feng)是(shi)云層中(zhong)(zhong)(zhong)雷暴的(de)(de)產(chan)物。具體的(de)(de)說，龍(long)(long)卷風(feng)(feng)就是(shi)雷暴巨大能量中(zhong)(zhong)(zhong)的(de)(de)一(yi)(yi)(yi)小(xiao)(xiao)部分在(zai)很小(xiao)(xiao)的(de)(de)區域內集中(zhong)(zhong)(zhong)釋(shi)放的(de)(de)一(yi)(yi)(yi)種形(xing)(xing)式。龍(long)(long)卷風(feng)(feng)的(de)(de)形(xing)(xing)成(cheng)可以(yi)(yi)分為四個階段：（1）大氣(qi)(qi)的(de)(de)不穩定性產(chan)生強(qiang)烈的(de)(de)上(shang)升(sheng)氣(qi)(qi)流，由于急(ji)流中(zhong)(zhong)(zhong)的(de)(de)較大過境氣(qi)(qi)流的(de)(de)影響(xiang)，它被進(jin)一(yi)(yi)(yi)步加(jia)強(qiang)。（2）由于與在(zai)垂直(zhi)方向(xiang)(xiang)上(shang)速(su)度(du)和方向(xiang)(xiang)均有切變的(de)(de)風(feng)(feng)相互作(zuo)用，上(shang)升(sheng)氣(qi)(qi)流在(zai)對(dui)流層的(de)(de)中(zhong)(zhong)(zhong)部開始旋(xuan)(xuan)(xuan)轉(zhuan)，形(xing)(xing)成(cheng)中(zhong)(zhong)(zhong)尺(chi)度(du)氣(qi)(qi)旋(xuan)(xuan)(xuan)。（3）隨(sui)著中(zhong)(zhong)(zhong)尺(chi)度(du)氣(qi)(qi)旋(xuan)(xuan)(xuan)向(xiang)(xiang)地(di)面(mian)發展(zhan)和向(xiang)(xiang)上(shang)伸展(zhan)，它本身變細并增強(qiang)。同時，一(yi)(yi)(yi)個小(xiao)(xiao)面(mian)積的(de)(de)增強(qiang)輻合(he)，即初生的(de)(de)龍(long)(long)卷在(zai)氣(qi)(qi)旋(xuan)(xuan)(xuan)內部形(xing)(xing)成(cheng)，產(chan)生氣(qi)(qi)旋(xuan)(xuan)(xuan)的(de)(de)同樣過程，形(xing)(xing)成(cheng)龍(long)(long)卷中(zhong)(zhong)(zhong)心(xin)。（4）龍(long)(long)卷中(zhong)(zhong)(zhong)心(xin)的(de)(de)旋(xuan)(xuan)(xuan)轉(zhuan)與氣(qi)(qi)旋(xuan)(xuan)(xuan)中(zhong)(zhong)(zhong)的(de)(de)不同，它的(de)(de)強(qiang)度(du)足以(yi)(yi)使龍(long)(long)卷一(yi)(yi)(yi)直(zhi)伸展(zhan)到(dao)地(di)面(mian)。當發展(zhan)的(de)(de)渦(wo)旋(xuan)(xuan)(xuan)到(dao)達地(di)面(mian)高(gao)度(du)時，地(di)面(mian)氣(qi)(qi)壓急(ji)劇下降，地(di)面(mian)風(feng)(feng)速(su)急(ji)劇上(shang)升(sheng)，形(xing)(xing)成(cheng)龍(long)(long)卷風(feng)(feng)。

家(jia)庭(ting)節能(neng)(neng)環(huan)保(bao)小知識，從家(jia)庭(ting)用(yong)電(dian)(dian)開(kai)始，節約每一(yi)度(du)電(dian)(dian)，杜絕家(jia)家(jia)電(dian)(dian)污染。每個家(jia)庭(ting)都應努力做到(dao)：1、把白熾(chi)燈改(gai)成第四代LED綠(lv)(lv)色光源，在同樣的(de)亮度(du)下，其耗電(dian)(dian)量只(zhi)是(shi)白熾(chi)燈的(de)十分之一(yi)，但壽命卻是(shi)白熾(chi)燈的(de)50倍。2、要選(xuan)用(yong)無(wu)氯綠(lv)(lv)色環(huan)保(bao)家(jia)電(dian)(dian)和太(tai)(tai)(tai)陽能(neng)(neng)家(jia)電(dian)(dian)系列，比如：使(shi)用(yong)太(tai)(tai)(tai)陽能(neng)(neng)發電(dian)(dian)器、太(tai)(tai)(tai)陽灶、太(tai)(tai)(tai)陽能(neng)(neng)燈、太(tai)(tai)(tai)陽能(neng)(neng)帽、太(tai)(tai)(tai)陽能(neng)(neng)手電(dian)(dian)筒、太(tai)(tai)(tai)陽能(neng)(neng)干燥(zao)器、太(tai)(tai)(tai)陽能(neng)(neng)熱水器、地板采暖系統等，既(ji)節能(neng)(neng)環(huan)保(bao)，又安全(quan)方便，既(ji)為國家(jia)的(de)節能(neng)(neng)環(huan)保(bao)工作做出貢(gong)獻，又使(shi)家(jia)庭(ting)引(yin)導了綠(lv)(lv)色生尚生活新潮流。氣象科普，龍卷風常發生于(yu)夏季的(de)雷雨天氣時尤(you)以(yi)下午至傍晚較為多見。

地(di)(di)(di)(di)(di)震(zhen)(zhen)(zhen)(zhen)分類：地(di)(di)(di)(di)(di)震(zhen)(zhen)(zhen)(zhen)分類——根據(ju)震(zhen)(zhen)(zhen)(zhen)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)性質不(bu)同可分為三類：天(tian)然(ran)地(di)(di)(di)(di)(di)震(zhen)(zhen)(zhen)(zhen)——指自然(ran)界發生的(de)(de)地(di)(di)(di)(di)(di)震(zhen)(zhen)(zhen)(zhen)現象；人工(gong)地(di)(di)(di)(di)(di)震(zhen)(zhen)(zhen)(zhen)——由(you)爆破、核試驗等人為因素引起的(de)(de)地(di)(di)(di)(di)(di)面震(zhen)(zhen)(zhen)(zhen)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)；脈動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)——由(you)于大氣活動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)、海浪(lang)沖(chong)擊等原因引起的(de)(de)地(di)(di)(di)(di)(di)球表(biao)層的(de)(de)經(jing)常性微動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)。狹義而言，人們(men)平時所(suo)說的(de)(de)地(di)(di)(di)(di)(di)震(zhen)(zhen)(zhen)(zhen)是(shi)指能夠形成災害的(de)(de)天(tian)然(ran)地(di)(di)(di)(di)(di)震(zhen)(zhen)(zhen)(zhen)。怎樣粗略判斷地(di)(di)(di)(di)(di)震(zhen)(zhen)(zhen)(zhen)的(de)(de)遠近(jin)與強(qiang)弱地(di)(di)(di)(di)(di)震(zhen)(zhen)(zhen)(zhen)時震(zhen)(zhen)(zhen)(zhen)中區(qu)的(de)(de)人們(men)感(gan)(gan)到先(xian)顛后晃(huang)(huang)(huang)，隨著震(zhen)(zhen)(zhen)(zhen)中距(ju)離的(de)(de)加大，顛與晃(huang)(huang)(huang)的(de)(de)時間差(cha)會逐(zhu)漸加長，顛與晃(huang)(huang)(huang)的(de)(de)強(qiang)度會逐(zhu)漸減(jian)弱；在一(yi)定范(fan)圍(wei)以外(wai)，人們(men)就感(gan)(gan)覺不(bu)到顛動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)，而只是(shi)感(gan)(gan)到晃(huang)(huang)(huang)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)了(le)。若地(di)(di)(di)(di)(di)震(zhen)(zhen)(zhen)(zhen)時你(ni)感(gan)(gan)到顛動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)很輕，或者(zhe)沒有感(gan)(gan)到顛動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)，只感(gan)(gan)到晃(huang)(huang)(huang)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)，說明這個(ge)地(di)(di)(di)(di)(di)震(zhen)(zhen)(zhen)(zhen)離你(ni)比較遠；顛動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)和晃(huang)(huang)(huang)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)都不(bu)太強(qiang)時，說明這個(ge)地(di)(di)(di)(di)(di)震(zhen)(zhen)(zhen)(zhen)不(bu)很大。科普打雷(lei)時不(bu)宜停(ting)留在小型無防雷(lei)設施(shi)的(de)(de)建筑物(wu)、車(che)庫、車(che)棚附(fu)近(jin)。青海青少年活動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)中心設計

科(ke)普(pu)打雷時不(bu)宜停留在鐵柵欄、金屬(shu)曬(shai)衣繩、架(jia)空金屬(shu)體以及鐵路軌道附(fu)近。安徽氣象科(ke)普(pu)館設計方案

常導(dao)(dao)(dao)電(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)吸(xi)(xi)(xi)引(yin)式磁(ci)(ci)(ci)(ci)懸(xuan)浮(fu)是電(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)力(li)(li)主動控(kong)制懸(xuan)浮(fu)，由車上常導(dao)(dao)(dao)電(dian)(dian)(dian)(dian)流(liu)產生(sheng)的(de)電(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)吸(xi)(xi)(xi)引(yin)力(li)(li)，吸(xi)(xi)(xi)引(yin)軌(gui)道下(xia)方(fang)的(de)導(dao)(dao)(dao)磁(ci)(ci)(ci)(ci)體，使列(lie)車浮(fu)起，再由直線電(dian)(dian)(dian)(dian)動機驅動前(qian)進(jin)。具體來說，就是對置于(yu)導(dao)(dao)(dao)軌(gui)下(xia)方(fang)的(de)懸(xuan)浮(fu)電(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)鐵(tie)線圈提供(gong)電(dian)(dian)(dian)(dian)流(liu)產生(sheng)電(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)場，使之與軌(gui)道上的(de)鐵(tie)磁(ci)(ci)(ci)(ci)性(xing)導(dao)(dao)(dao)軌(gui)相互(hu)作用，利用他們(men)之間的(de)電(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)吸(xi)(xi)(xi)力(li)(li)，使列(lie)車懸(xuan)浮(fu)至一(yi)定(ding)的(de)高度。但由于(yu)電(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)吸(xi)(xi)(xi)引(yin)力(li)(li)與氣(qi)隙(xi)(xi)大(da)(da)小(xiao)(xiao)近似成平方(fang)反比(bi)的(de)非線性(xing)關系——氣(qi)隙(xi)(xi)減(jian)小(xiao)(xiao)會使電(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)吸(xi)(xi)(xi)力(li)(li)增(zeng)(zeng)(zeng)大(da)(da)，導(dao)(dao)(dao)致氣(qi)隙(xi)(xi)進(jin)一(yi)步(bu)減(jian)小(xiao)(xiao)；而氣(qi)隙(xi)(xi)增(zeng)(zeng)(zeng)大(da)(da)則使電(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)吸(xi)(xi)(xi)力(li)(li)減(jian)小(xiao)(xiao)，導(dao)(dao)(dao)致氣(qi)隙(xi)(xi)進(jin)一(yi)步(bu)增(zeng)(zeng)(zeng)大(da)(da)。安徽氣(qi)象科普館設計(ji)方(fang)案(an)

本文來自沈(shen)陽喜納多(duo)采暖工程(cheng)有限公(gong)司：//zjlong.cn/Article/75a399667.html