Then it analyzes the significance of CBET development in nature reserve ( NR ).
它论证了发展 自然保护区 生态旅游的意义.
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热空气老化使NR硫化胶的动态性能改善, 而真空老化后硫化胶动态性能略有下降.
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Fig. 5 Crosslinking density of NR filled with different loading of CB and GCB.
图5是利用平衡溶胀法测定的炭黑和接枝炭黑填充NR的交联密度.
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It was discovered; (? ). It was not discovered or not existed; NR. It was not reported.
为已发现; (? ) 为尚未发现或不存在; NR. 为尚未见报道.
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You can also take advantages of a free Domain Name service provided by CO. NR Services.
您也可以采取的优势,免费的网域名称所提供的服务co. nr服务.
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研究了恒粘度NR在全钢载重子午线轮胎胎面胶中的应用.
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Various kinds of mixes and products , based on NR, CR, EPDM , NBR, HNBR etc.
各种性能的天然橡胶 、 氯丁橡胶 、 三元乙丙橡胶 、 丁腈橡胶和氢化丁腈橡胶混炼胶和制品.
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The pad used for computer mouse is made of NR, reproducing rubber and some additives.
以天然橡胶NR 、 再生胶和几种添加剂为原料,制备计算机用鼠标垫.
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介绍了用动态热机械分析仪测定天然橡胶(NR)硫化胶耐老化性能的原理及方法.
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IR spectrum proved that the monomers AC and MMA had been really grafted onto NR.
红外光谱证实单体AC和MMA已接技到橡胶分子链上.
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且在莴苣生长过程中,有机无机复混肥提高了莴苣功能叶中的净光合速率和叶绿素含量,增强了莴苣功能叶中硝酸还原酶活性。
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The fatigue properties of NR and the factors influencing its fatigue dynamic load were reviewed.
叙述了天然橡胶的疲劳特性,着重归纳了天然橡胶的破坏机理及影响其疲劳破坏的主要因素.
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良性胚芽细胞肿瘤可呈单波或双波图像,但NR波极小;
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