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border: 0px; vertical-align: middle; color: rgb(102, 102, 102); font-family: 微软雅黑, Arial, Helvetica, sans-serif; font-size: 15px; text-align: center;" /></div> <div> 　　与传统的内燃机汽车不同，在冬季，电动汽车不能使用发动机余热来加热内部，必须从电池中获取能量。前期研究表明，当环境温度从0℃降至-10℃时，R1234yf汽车热泵系统的容量降低了40%。这对汽车制造商而言是寒冷气候下的一个重大问题。</div> <div> 　　新的大金制冷剂混合了R1234yf和23%的新型氢氟烃制冷剂HFO1132(E)。目前对 HFO1132(E) 知之甚少，但人们认为它的 GWP为3，大金认为它小于 1。</div> <div> 　　然而，据早期评估表明，该制冷剂在寒冷地区为电动汽车的热泵功能提供了良好的性能，在温暖气候下也有良好的冷却性能。</div> <div> 　　据说大金正与汽车工程师协会(Society of Automotive Engineers)合作，确认新型D1V140混合物的安全性和性能，该混合物和HFO1132（E）都已于上月提交给ASHRAE注册。它们都有望被认定为A2L。</div> <div> 　　大金公司已经为HFO1132（E）注册了多项专利，用于其生产及其在各种不同混合物中的应用，包括D1V140。</div> <div> 　　HFO1132（E）是二氟乙烯的三种可能形式或异构体之一。它们都具有相同的化学成分，但因原子排列而有所不同。其他是HFO1132（Z）和R1132a，这是库拉（Koura）最近在ASHRAE注册的制冷剂。</div> iv> </div> <div class="met_tools"> <ul class="met_page"> <li class="met_page_preinfo">{dede:prenext get='pre'/}</li> <li cl上一篇：<a href='/news/trends35.html'>三胎时代来临 | 你还不考虑安装新风系统吗？</a> :prenext get='next'/}</li> </ul> 下一篇：<a href='/news/trends37.html'>制冷空调行业“碳达峰碳中和”工作领导小组成立</a> ection> <div class="met_clear"></div> </div> </article> {dede:include filename="left.htm"/} <div class="met_cle<aside> <section class="met_aside"> <h2>太阳集团网址首页welcome</h2> <div class="met_aside_list"> </div> </section> <div class="nycon1"> <div class="lmtit"> <div class="kuai"></div> 联系我们 <div class="xian"></div> </div> <div class="nr"> <div class="pic"><img src="/skin/images/lx.jpg"/></div> <b>保定跃鑫冷暖设备制造有限公司</b><br> 地址:河北省保定市清苑区<br> 手机:13383222023<br> 微信:13383222023<br> QQ:1556989421<br> 邮箱:1556989421@qq.com </div> </div> <div class="met_clear"></div> </aside> lude filename="footer.htm"/} </div> <center> <form data-evt="return baiduWithHttps(this)" action="http://www.baidu.com/baidu" target="_blank"> <input name="tn" type="hidden" value="SE_zzsearchcode_shhzc78w"> <a target="_blank" href="https://www.baidu.com/"><img width="100px" height="22px" src="https://www.baidu.com/img/baidu_jgylogo3.gif" alt="Baidu" align="bottom" border="0"></a> <input type="text" data-evt="checkHttps" name="word" size="20" value=""> <input type="submit" value="百度" height="26px"> </form> <form action="https://www.sogou.com/web" name="sf" id="sf" target="_blank"> <a target="_blank" href="https://www.baidu.com/"><img width="100px" height="22px" src="https://www.sogou.com/web/index/images/logo_440x140.v.4.png" alt="sogou" align="bottom" border="0"></a> <span class="sec-input-box yuyin-cur"> <input height="22px" type="text" class="sec-input" name="query" id="query" maxlength="100" len="80" autocomplete="off" value=""> </span> <span class="enter-input"><input type="submit" id="stb" value="搜狗" height="26px"></span> <input type="hidden" name="_asf" value="www.sogou.com"> <input type="hidden" name="_ast"> <input type="hidden" name="w" value="01019900"> <input type="hidden" name="p" value="40040100"> <input type="hidden" name="ie" value="utf8"> <input type="hidden" name="from" value="index-nologin"> <input type="hidden" name="s_from" value="index"> </form> <form id="so360form" target="_blank" action="https://www.so.com/"> <img width="100px" height="22px" src="http://p1.qhimg.com/d/_onebox/search.png"> <input height="22px" id="so360_keyword" type="text" name="q" autocomplete="off" value=""> <input id="so360_submit" type="submit" value="搜索" height="26px"> <input type="hidden" value="utf-8" name="ie"> <input type="hidden" value="zz" name="src"> <input type="hidden" value="so.com" name="site"> <input type="hidden" value="1" name="rg"> </form> </center></body> </html><div class="footer"> <div class="content"> <div class="fnav"> <div class="tit">主营业务</div> </div> <div class="fnav"> <div class="tit">案例方案</div> <a href="/case/case.html">案例展示</a> <a href="/case/solution.html">解决方案</a> </div><div class="fnav"> <div class="tit">tyc太阳集团城网址</div> <a href="/about/">公司介绍</a> <a href="/about/culture.html">企业文化</a> <a href="/about/history.html">发展历程</a> <a href="/about/tuanjian.html">公司团建</a> </div> <div class="fcon"> <div class="tit">联络我们</div> <div class="nr"> <i class="fa fa-mobile"></i>报价：13383222023<br/> <i class="fa fa-qq"></i>Q Q：1556989421<br/> <i class="fa fa-envelope"></i>Email： 1556989421@qq.com<br/> <i class="fa fa-map-marker" aria-hidden="true"></i>地址：河北省保定市清苑区<br/> </div> </div> <div class="clean"></div> </div> <div class="banq"> <div class="content"> Copyright © 2002-2030 保定跃鑫冷暖设备制造有限公司版权所有网站备案号：<a href="https://beian.miit.gov.cn/" target="_blank"><span style="color:#999999;">冀ICP备19024911号</span></a><a href="/sitemap.xml" target="_blank">网站地图</a></div> <div style="width:300px;margin:0 auto; 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