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摘 要 ：反丁(ding)烯(xi)二酸(suan)(suan)，又(you)名延胡索酸(suan)(suan)、富馬酸(suan)(suan)、紫堇(jin)酸(suan)(suan)，化學式為C4H4O4，是由丁(ding)烯(xi)衍生(sheng)出的羧(suo)酸(suan)(suan)，是一種無色、易燃的晶體。 制備 工業上有多種方法(fa)生(sheng)產反丁(ding)烯(xi)二酸(suan)(suan)。其(qi)主(zhu)要來源是在催化劑存在下將苯（或(huo)丁(ding)烯(xi)）氧(yang)化生(sheng)成順(shun)丁(ding)烯(xi)二酸(suan)(suan)（或(huo)順(shun)丁(ding)烯(xi)二酸(suan)(suan)酐），再經(jing)異構(gou)化而得。將苯（或(huo)80%的丁(ding)烯(xi)）與
2022-07-26 -
摘 要 ：Application of calcium formate: all kinds of dry mixed mortar, all kinds of concrete, wear-resistant materials, flooring industry, feed indu
2022-07-25 -
摘 要 ：Soft products: PVC resin can produce many types of soft products. PVC resin can be made into hoses, wires and cables by extruder. PVC resin
2022-07-25 -
摘 要 ：1、 Different advantages Compared with the commonly used diisooctyl phthalate (DOP), dioctyl terephthalate has the advantages of heat resi
2022-07-25 -
摘 要 ：Fumaric acid, also known as fumaric acid, fumaric acid and violic acid, with the chemical formula of C4H4O4, is a carboxylic acid derived fr
2022-07-25 -
摘 要 ：鋰(li)(li)電(dian)(dian)(dian)池(chi)(chi)(chi)是一(yi)類由鋰(li)(li)金屬(shu)或鋰(li)(li)合金為正/負(fu)極(ji)材(cai)料、使用非水電(dian)(dian)(dian)解質溶液的(de)電(dian)(dian)(dian)池(chi)(chi)(chi)。鋰(li)(li)電(dian)(dian)(dian)池(chi)(chi)(chi)大致可(ke)(ke)分為兩類：鋰(li)(li)金屬(shu)電(dian)(dian)(dian)池(chi)(chi)(chi)和鋰(li)(li)離子(zi)電(dian)(dian)(dian)池(chi)(chi)(chi)。鋰(li)(li)離子(zi)電(dian)(dian)(dian)池(chi)(chi)(chi)不(bu)含(han)有金屬(shu)態的(de)鋰(li)(li)，并且(qie)是可(ke)(ke)以充(chong)電(dian)(dian)(dian)的(de)。可(ke)(ke)充(chong)電(dian)(dian)(dian)電(dian)(dian)(dian)池(chi)(chi)(chi)的(de)第五代產品(pin)鋰(li)(li)金屬(shu)電(dian)(dian)(dian)池(chi)(chi)(chi)在(zai)1996年(nian)誕生，其(qi)安全(quan)性、比容量(liang)、自放電(dian)(dian)(dian)率和性能(neng)價(jia)格比均(jun)優(you)于鋰(li)(li)離子(zi)電(dian)(dian)(dian)池(chi)(chi)(chi)。由于其(qi)自身(shen)的(de)
2022-07-22 -
摘 要 ：鋰(li)(li)(li)電(dian)(dian)(dian)池(chi)(chi)是(shi)一(yi)類由(you)鋰(li)(li)(li)金(jin)屬(shu)或鋰(li)(li)(li)合金(jin)為(wei)正/負(fu)極(ji)材(cai)料、使用非水電(dian)(dian)(dian)解質(zhi)溶液的(de)(de)電(dian)(dian)(dian)池(chi)(chi)。鋰(li)(li)(li)電(dian)(dian)(dian)池(chi)(chi)大致可分為(wei)兩類：鋰(li)(li)(li)金(jin)屬(shu)電(dian)(dian)(dian)池(chi)(chi)和鋰(li)(li)(li)離(li)子電(dian)(dian)(dian)池(chi)(chi)。鋰(li)(li)(li)離(li)子電(dian)(dian)(dian)池(chi)(chi)不(bu)含有(you)金(jin)屬(shu)態的(de)(de)鋰(li)(li)(li)，并且是(shi)可以充電(dian)(dian)(dian)的(de)(de)。可充電(dian)(dian)(dian)電(dian)(dian)(dian)池(chi)(chi)的(de)(de)第五代產品(pin)鋰(li)(li)(li)金(jin)屬(shu)電(dian)(dian)(dian)池(chi)(chi)在1996年(nian)誕生，其安全性(xing)、比(bi)容量、自放電(dian)(dian)(dian)率和性(xing)能價格比(bi)均優于鋰(li)(li)(li)離(li)子電(dian)(dian)(dian)池(chi)(chi)。由(you)于其自身的(de)(de)
2022-07-22 -
摘(zhai) 要 ：專業鋰電(dian)(dian)(dian)池(chi)(chi)(chi)組裝技術培訓 伴隨著(zhu)電(dian)(dian)(dian)動車新(xin)國(guo)標(biao)和新(xin)能源車補助等(deng)中國(guo)現行政(zheng)策的執行,鉛(qian)酸電(dian)(dian)(dian)池(chi)(chi)(chi)電(dian)(dian)(dian)池(chi)(chi)(chi)等(deng)傳統(tong)式電(dian)(dian)(dian)池(chi)(chi)(chi)愈(yu)來愈(yu)無法達到市場(chang)的需求,競(jing)爭優勢更顯著(zhu)的鋰離(li)子電(dian)(dian)(dian)池(chi)(chi)(chi)電(dian)(dian)(dian)池(chi)(chi)(chi)逐漸(jian)邁(mai)向大家。與傳統(tong)式電(dian)(dian)(dian)池(chi)(chi)(chi)較(jiao)為,鋰電(dian)(dian)(dian)池(chi)(chi)(chi)具備(bei)比能量高(gao)、工作標(biao)準電(dian)(dian)(dian)壓高(gao)、重量較(jiao)輕(qing)、體型小、自(zi)放電(dian)(dian)(dian)率小、無記憶(yi)性(xing)、循(xun)環
2022-07-22 -
摘(zhai) 要 ：伴隨著電(dian)(dian)(dian)(dian)動車新國(guo)標和新能(neng)源車補助等中國(guo)現(xian)行(xing)政策的(de)執行(xing),鉛(qian)酸電(dian)(dian)(dian)(dian)池(chi)電(dian)(dian)(dian)(dian)池(chi)等傳統式電(dian)(dian)(dian)(dian)池(chi)愈(yu)來愈(yu)無法(fa)達(da)到市場(chang)的(de)需求,競(jing)爭(zheng)優(you)勢更顯著的(de)鋰離子電(dian)(dian)(dian)(dian)池(chi)電(dian)(dian)(dian)(dian)池(chi)逐漸邁向大(da)家(jia)。與傳統式電(dian)(dian)(dian)(dian)池(chi)較為,鋰電(dian)(dian)(dian)(dian)池(chi)具備比能(neng)量(liang)高、工作標準電(dian)(dian)(dian)(dian)壓高、重(zhong)量(liang)較輕(qing)、體型小、自放(fang)電(dian)(dian)(dian)(dian)率小、無記憶性、循環系統使用壽命長、電(dian)(dian)(dian)(dian)池(chi)充(chong)電(dian)(dian)(dian)(dian)迅速(su)等優(you)點(dian)
2022-07-22 -
摘 要 ：大(da)豆(dou)蠟(la)(la) 大(da)豆(dou)蠟(la)(la)指氫化大(da)豆(dou)油生(sheng)產制(zhi)成的(de)蠟(la)(la)。 是制(zhi)作工藝蠟(la)(la)燭，精(jing)油、香薰(xun)蠟(la)(la)燭的(de)主要原料 質量穩定(ding)價格有優(you)勢(shi)，如需要采購(gou)該產品 『產品應用』 大(da)豆(dou)蠟(la)(la)的(de)優(you)點：價格低(di)廉，制(zhi)作的(de)杯蠟(la)(la)不脫杯，柱蠟(la)(la)冷卻速度快，易(yi)脫模(mo)，不開裂，色(se)素分散
2022-07-22
