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- 与 synthesized 相关的网络例句 [注:此内容来源于网络,仅供参考]
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In this dissertation, two derivatives of aniline containing polyoxyethylene substituent m-phenylene diamino formyl alkylenediamine poly acetate and poly-3-aminobenzoate were designed and synthesized. And then, comb-shaped polyaniline grafted by PEO were prepared by chemical oxidation copolymerization. The structure of copolymers were characterized by FTIR, ultraviolet-visible spectrum, elemental analysis and TEM etc..
本文在设计并合成两种含聚氧乙烯取代基的苯胺衍生物——间苯二氨基甲酰己二氨基甲酸聚氧乙烯乙酸酯和3-聚氧化乙烯单甲醚基苯胺的基础上,采用化学氧化法将它们与苯胺进行共聚,制备出了聚氧乙烯接枝聚苯胺的梳型共聚物。
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Three formyl group functional cross-linking polystyrene resins of p -formylphenoxymethyl, p -formyl-2-methoxphenoxymethyl,and p -formyl-3-methoxphenoxymethyl were facilely and rapidly synthesized from Merrifield resin under phase transfer catalytic condition coupling with microwave irradiation in a domestic microwave oven.
以Merrifield树脂为原料,家用微波炉为反应装置,在微波照射的相转移催化条件下,简便快速地合成了3种甲酰基功能化的交联聚苯乙烯树脂——对甲酰基苯氧基甲基树脂、对甲酰基-2-甲氧基苯氧基甲基树脂和对甲酰基-3-甲氧基苯氧基甲基树脂。
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Three formyl group functional cross-linking polystyrene resins of methoxphenoxymethyl, and p-formyl-3-methoxphenoxymethyl were facilely and p-formylphenoxymethyl, p-formyl-2-rapidly synthesized from Merrifield resin under phase transfer catalytic condition coupling with microwave irradiation in a domestic microwave oven.
以Merrifield树脂为原料,家用微波炉为反应装置,在微波照射的相转移催化条件下,简便快速地合成了3种甲酰基功能化的交联聚苯乙烯树脂--对甲酰基苯氧基甲基树脂、对甲酰基-2-甲氧基苯氧基甲基树脂和对甲酰基-3-甲氧基苯氧基甲基树脂。
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In the presence of NaH and in DMF, the acyclic crown ethers 1a and 1b were synthesized by the reaction of di-or triethyleneglycol ditosylate and o-methoxymethoxybenzyl alcohol, which was obtained from salicylaldehyde via the protection of the hydroxyl group with chloromethyl methyl ether followed by the reduction of the formyl group with NaBH4. The hydrolysis of 1a and 1b with dilute hydrochloric acid provided the diphenolic type acyclic crown ethers 2a and 2b respectively in good yield.
将水杨醛与碱和氯甲基甲基醚反应,再经过NaBH4还原,即制得邻苯甲醇,然后将其在DMF中与NaH和二甘醇二对甲苯磺酸酯反应,得开链冠醚1a和1b.1a和1b经稀酸水解,即脱保护而分别生成新的酚型开链冠醚2a和2b。
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A 717 base pairs long artificial gene fragment of PrV gE has been synthesized by using preferred codons in the highly expressed Pichia genes. Four groups of oligonucleotides were successively cloned in pMD18-T vector to obtain four large fragments.
通过人工合成基因的方法对编码gE蛋白的第29~268位氨基酸残基的核苷酸序列(717bp)进行改造,用P.pastoris高表达蛋白偏爱的密码子替换原有的核苷酸序列,氨基酸序列保持不变。
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For constructing strong combined promoter to enhance the foreign gene expression in Fowlpox virus vector, four oligonucleotides were synthesized according to the essential structure of the vaccinia virus nature promoter P7.5 and were used for generating early and late promoters.
要提高外源基因在鸡痘病毒载体的表达量,必须使用强启动子来控制表达。为构建较强的启动子组合,根据痘苗病毒天然启动子P7.5的结构,人工合成4条寡核苷酸,形成一个早期启动子和一个晚期启动子,其首尾可相互连接。
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Two triazine derivatives WDBA and WDIOA were synthesized. Four-ball machine was used to test their tribological performance in rapeseed oil.
合成了两种三巯基三嗪衍生物WDBA和WDIOA,利用四球摩擦磨损实验对该衍生物添加剂在菜籽油中的摩擦学性能进行测试。
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Using four-o'clock shell of seed as main materials,phosphoric acid as activator,powdered activated carbon was synthesized under microwave radiation.
在微波辐射下,以紫茉莉种子壳为原料,磷酸为活化剂制得了粉状活性炭。
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A novel oil-soluble rare earth compound La-C(subscript i8 free of sulfur and phosphorus was synthesized as lubricant additive.
合成了1种不含硫磷的新型稀土化合物,该化合物在液体石蜡中具有较好的溶解性。
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Nanoscale zero valent iron particles were synthesized by reductive method in aqueous phase. The crystal structure, morphology and size of the particles were characterized using X-ray diffraction and transmission electron microscopy. The influence of temperature, initial acid fuchsine concentration, nanoscale zero valent iron dosage and pH on the removal of acid fuchsine by the particles was studied, and the removal mechanism of acid fuchsine was discussed.
摘 要:采用液相还原法制备零价纳米铁粒子;用X射线衍射和透射电镜表征该样品的晶体结构、颗粒形貌与尺寸;研究温度、酸性品红初始浓度、纳米零价铁加入量及溶液pH值对零价纳米铁粒子脱除酸性品红的影响,并对酸性品红的脱除机理进行讨论。
- 推荐网络例句
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I didn't watch TV last night, because it .
昨晚我没有看电视,因为电视机坏了。
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Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.
今年以来,在北京的很多小区里,电梯液晶电视被撤了下来。
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I'm running my simile to an extreme.
我比喻得过头了。