查询词典 cavities

As to which one would like to pay the evolutionary cost to develop the mechanism to maintain the system stable, it seems that only the figs developed the mechanism to maintain the system stable by positive regulation to foundress number to be in their fruit cavities.

由于榕树与榕小蜂所竞争的公共资源仅只有榕树所提供，因而维持系统稳定的博弈中榕树所获得利益比榕小蜂大，这样就形成了一个&智猪博弈&，因而维持系统稳定的机制只由一方进化而来。

Fucales An order of Phaeophyta in which the haploid generation consists only of the gametes. The gametes are produced in special cavities called conceptacles, often in the inflated tips of branches of the thallus, e.g.

鹿角藻目：褐藻门的一个目，其单倍体后代只由配子组成，配子在一个称为生殖窝（通常位于叶状体分支膨大的顶端）的特殊腔中产生。

BrdU labeling indicated that the positive cells in the lateral ganglionic eminence migrated in a similar way to those in control group 6 h following Xray irradiation, the positive cells were observed to be around the cystic cavities in cortexstriatum 2 days later and migrated to the ventral cortical plate 4 days later.

BrdU标识显示腹侧端脑的外侧节隆起的神经细胞移动类似于正常对照组，2 d后阳性细胞分布在皮质纹状体区形成的空洞周围，4 d后移动到腹侧皮质板。

The rocks consist predominantly of mudstone, evaporite, gypseous mudstone and glauberite dolostone. The reservoir spaces mainly include pores, cavities and fractures, with fractures predominating.

摘 要：江汉盆地潜江凹陷盐韵律发育，部分韵律层段存在有工业价值的油藏，岩性主要为泥岩、泥膏岩、含膏泥岩、钙芒硝质白云岩等，储集空间有孔隙、孔洞和裂缝，以裂缝为主。

Since the molecular clip of glycoluril is also an important supramolecular host but few studies have been done in the field of fluorescent chemosensor,we proceeded with some experiments and research in this field as a trial and designed a series of novel fluorescent chemsensors including different three-dimensional cavities by introducing the fluorophores into the receptor.Their recognition and sensing abilities toward various metal ions and neutral guests were studied.

因此，我们(来源：A1dBC论文网www.abclunwen.com)做了一些尝试性的研究，在传统的甘脲主体化合物上引入荧光发色团，设计了一系列新型的、拥有不同立体空腔的荧光分子夹，并研究了它们对各种金属阳离子以及酚类中性客体分子的识别和荧光传感性能。

Large amounts of scar tissues were found in maxillary sinus cavities during the operation in the 48 cases, and 22 cases of which (46%) developed imperforation of inferior meatal openig.

在术前CT显示无上颌窦腔密度增高及骨质增厚的88例病例中，有26例(30%)术中发现有单纯性下鼻道开窗闭锁。

Results CT scans showed the density of the involved sinus cavities rised inhomogeneously in all patients, spot or lump calcification in 17 cases, the medial wall of maxillary sinus were and absorbed and destroyed in 5 cases, ostium of maxillary sinus was expanded in 11 cases...

结果CT征象：病变的窦腔内为不均匀的密度增高影，其中17例病变窦腔内呈不规则点状或片状钙化影，5例上颌窦内壁骨质吸收破坏，上颌窦口扩大11例，上颌窦骨壁增生硬化16例。

A series of novel aromatic amide molecular tweezers with different chiral centers and cavities were designed and synthesized by using isophthalic acid as the spacer to bridge the different L-amino acid methyl esters under microwave irradiation.

以间苯二甲酸为隔离基，酰胺键桥联L-氨基酸甲酯构成手臂，在微波辐射下合成了具有不同手性中心和裂穴的新型手性芳酰胺类分子钳。

The results show that the cavities formed during the magmas intruding upwards and cooling prepared spaces for laumontite crystallization.

结果表明：岩浆上侵冷却过程中形成的孔洞为浊沸石的形成提供空间条件，在孔洞周围发育的微裂隙，有利于CO2等气体散失的同时，也为岩体中长石提供Ca(上标 2+)、Al(上标 3+)离子进入孔洞中提供通道。

The optical cavities of general curved-mirrors with a negative lenslike medium are discussed, and used to analyze the thermal lensing effects in gas lasers.

本文讨论了类负透镜介质一般曲面镜光学谐振腔，并用来分析气体激光器中的热透镜效应。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了