内封物
- 与 内封物 相关的网络例句 [注：此内容来源于网络，仅供参考]
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The star shaped block copolymers were prepared by ring opening polymerization of ε caprolactone in the presence of multiarm PEG using stannous octoate as a catalyst.
以辛酸亚锡为催化剂，通过星型聚乙二醇引发ε己内酯开环聚合，制备了PEG b PCL嵌段共聚物，进一步以丙烯酸酯封端，合成了 3种水溶性大分子单体。
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The star-shaped block copolymers were prepared by ring-opening polymerization of ε-caprolactone in the presence of multiarm PEG using stannous octoate as a catalyst.Based on these star-shaped PEG- b -PCL,soluble macromers terminated with acrylate groups were synthesized.
以辛酸亚锡为催化剂，通过星型聚乙二醇引发ε-己内酯开环聚合，制备了PEG- b -PCL嵌段共聚物，进一步以丙烯酸酯封端，合成了3种水溶性大分子单体。
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Compact obturation is an important factor for root canal therapy, focusing on reducing the channel of entering root system through mouth and peripheral apical tissue and blocking excitant which is not completely removed during debriding and repairing root canal.
致密的封填是根管治疗成功的关键之一，其主要目的是为减少经由口腔或根尖周围组织渗透进入根管系统的信道，以及将根管清创、修形过程中无法完全移除的刺激物封闭于根管系统内。
- 推荐网络例句
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The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.
采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。
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By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.
通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。
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Have a good policy environment, real estate, secondary and tertiary markets can develop more rapidly and improved.
有一个良好的政策环境，房地产，二级和三级市场的发展更加迅速改善。