松脂
- 与 松脂 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Because three differences lie in the pearlite to have the round arc crack which the condensation forms, calls the pearlite structure, the water content 2~6%; The pitchstone has the unique resinous luster, the water content 6~10%; The black sunlight crag has the glassy luster and the conchoidal fracture, the water content is smaller than 2% generally.
三者的区别在于珍珠岩具有因冷凝作用形成的圆弧形裂纹,称珍珠岩结构,含水量2~6%;松脂岩具有独特的松脂光泽,含水量6~10%;黑曜岩具有玻璃光泽与贝壳状断口,含水量一般小于2%。
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Semifluid mixtures of organic compounds consisting of resins dissolved in a volatile oil, turpentines can be distilled into the volatile oil of turpentine and the nonvolatile rosin.
它是半流质的有机化合物,由树脂在挥发性油中溶解而成,松脂可以被提炼成松脂挥发油和非挥发性松脂。
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Semifluid mixtures of organic compounds consisting of resins dissolved in a volatile oil, turpentines can be distilled into the volatile oil of turpentine and the non volatile rosin.
它是半流质的有机化合物,由树脂在挥发性油中溶解而成,松脂可以被提炼成松脂挥发油和非挥发性松脂。
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Semifluid mixtures of organic compounds consisting of resin s dissolved in a volatile oil, turpentines can be distilled into the volatile oil of turpentine and the nonvolatile rosin.
它是半流质的有机化合物,由树脂在挥发性油中溶解而成,松脂可以被提炼成松脂挥发油和非挥发性松脂。
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Semifluid mixtures of organic compounds consisting of resins dissolve d in a volatile oil, turpentines can be distilled into the volatile oil of turpentine and the nonvolatile rosin.
它是半流质的有机化合物,由树脂在挥发性油中溶解而成,松脂可以被提炼成松脂挥发油和非挥发性松脂。
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It is an organic substance and is a petrified rosin of ancient trees related to rosin.
一种有机物质。它是一种含一些有关松脂的古代树木的石化松脂。
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The research situation of waste water treatment of gum rosin process ing at home and abroad was generally summarized.
概述了国内外对松脂加工废水治理的研究情况,系统分析了松脂加工废水的来源及特点,介绍松脂加工废水治理方面的成功方法和经验,通过分析生产过程的监控数据,为我国松香行业的污水处理提供了经验和依据。
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Sixteen compounds were separated from 80% ethanol extract of Plant A, they were:-lariciresinol,-isolariciresinol,-isolariciresinol 9-O-β-D-glucopyranoside, tanegoside B, apiginin, apigenin 7-O-β-D-glucoside, apigenin 7-O-β-neospheroside, quercetin 3-O-β-D-glucopyranoside, 1, 7-dihydroxy-3, 4-dimethoxyxanthone, 3-O- [α-L-rhamnopyranosyl (1-4 ] -β-D-glucopyranoside-(25S)-5β-spirostan-3β-ol , 3β-O-D-glucopyranoside quinovic acid, mangiferin , 3'-p-hydroxybenzoyl-mangiferin, physcion, benzenyl methanol β-D-glucopyranoside and Vanillic acid.
结果: 1。从植物A的80%乙醇提取物中共分离得到16个化合物,分别为:-落叶松脂醇、-异落叶松脂醇、异落叶松脂醇9-O-β-D-吡喃葡萄糖苷、tanegoside B、芹菜素、芹菜素7-O-β-葡萄糖苷、芹菜素7-O-β-新橙皮糖苷、槲皮素3-O-β-D-吡喃葡萄糖苷、1,7-二羟基-3,4-二甲氧基-口山酮、菝葜皂苷元-3-O-[α-L-吡喃鼠李糖基(1-4)]-β-D-吡喃葡萄糖苷、喹诺酸3β-O-D-葡萄糖苷、知母宁、3′-对羟基苯甲酸-知母宁、大黄素甲醚、苯甲醇-β-D-吡喃葡萄糖苷、香草酸。
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The law of thermo isomeric changes of the pimaric,ellioti pimaric, levopimaric,longifolic,dehydropimaric,abietic and neoabietic acids in the oleoresin of Pinus elliottii were studied in a comparison with those of resin acids in the oleoresin of Pinus massoniana .
本文研究湿地松松脂中海松酸、湿地松酸、左旋海松酸、长叶松酸、去氢枞酸、枞酸、新枞酸受热异构变化规律,并与马尾松松脂中的树脂酸热异构变化进行对比,为湿地松松脂的生产提供理论依据。
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The combined acids , LHZZS,XDZZS and SLZZS, one of four fractions in montan resins from montan waxes from Liaohu, Xundian and Shulan brown coal respectively, were derived by CH 2N 2 to methyl esters and their chemical constituents and structural characteristic were studied on GC-MS.
结果显示,树脂结合酸均以正构烷酸为主要成份,其分布为C1 2 ~C2 8,高含量的正构烷酸集中在低碳数一端,C2 0 含量最高,其次为C1 6 ,而舒兰结合酸中,正构烷酸占绝对优势,且C1 6 为最高含量的化合物;去氢松香酸在每一个样品中含量较低,其它三环二萜酸,如松脂酸、三达松脂酸等异构体或立体异构体含量也非常低;具有五环三萜骨架的酸性物质,在潦浒、舒兰结合酸中比较丰富,其含量超过寻甸结合酸;在低碳数一端,存在着各种支链烷酸及苯甲酸、苯酚及取代物。
- 推荐网络例句
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But we don't care about Battlegrounds.
但我们并不在乎沙场中的显露。
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Ah! don't mention it, the butcher's shop is a horror.
啊!不用提了。提到肉,真是糟透了。
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Tristan, I have nowhere to send this letter and no reason to believe you wish to receive it.
Tristan ,我不知道把这信寄到哪里,也不知道你是否想收到它。