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cellulose (纤维素)
时间:2021-09-01 03:36
关键词:
细胞社会的联系
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<p> 纤维素是由葡萄糖构成的同质多聚体,在细胞壁中,由50-60个纤维素分子形成一束,并且相互平行排列,形成长的、坚硬的微纤维,这种微纤维的直径一般约为5-15nm,长约几微米。纤维素微纤维通常两两堆积在一起形成更大的大纤维,它们的强度达到同类粗细钢管的强度。如果将植物的细胞壁看成是动物细胞的细胞外基质,那么,纤维素则相当于动物细胞外基质中的胶原。</p>
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boost的意思是:help or encourage to increase or improve
eloquent的意思是:fluent or persuasive in speaking or writing
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
A cabinet or space containing the controls or valves for the fixed firefighting system must be().
cellulose (纤维素)
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成纤维细胞生长因子(FGF)能引起纤维细胞、平滑机细胞和单核细胞的增生和游走。()
Mainly east 3 or 4 partly cloudy to overcast occasional rain()slowly south moderate or good.
细胞通过哪些方式产生社会联系?
()any case or suspected case of quarantinable disease,or any case of eruptive disease or any death be discovered,the local quarantine officer must be notified immediately.
Should any case or suspected case of quarantinable disease,or any case of eruptive disease or any death be discovered,the local Quarantine Officer must be()immediately.
Masters are()solely responsible for all damages or accidents of whatever kind resulting from the navigating or handling of their vessels by day or by night.
If he is a common carrier,he is absolutely responsible to the owner of the goods carried ()any loss or damage to them unless caused by an Act of God or the Queen’s enemies,or the inherent vice in the goods themselves,or the negligence of the owner of the goods,or a general average sacrifice.
系统中雷达状态包括Unknown、Operational(or ON)、Failed(or OFF)、Detached。
Owners are to be responsible for loss of or damage to the goods or delay in delivery of the goods only in case the loss,damage or delay has been caused by the improper or negligent stowage of the goods.This means that().
The carrier is liable for loss of or damage to the goods or delay in delivery caused by fire,()the claimant proves that the fire arose from fault or neglect on the part of the carrier,his servants or agents.
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