查询词典 crystals

A cellulose cuprammonium solution was sprayed into the -40℃ frozen liquid containing 20% Silicone oil and 80% hexane to form microspheres contained fine ice crystals,then regenerated the cellulose with 40% H 2SO 4 cooled to -30℃,and the microspheres were modified with diethylaminoethylchloride,the cellulose porous microcarriers for animal cell culture were prepared.

将纤维素铜氨溶液喷洒至－40℃的硅油：正己烷＝1：4的冷冻液中形成含冰晶的微球，用－30℃、40％的H2SO4再生纤维素，并用EDAE盐酸盐修饰其表面，制成适合动物细胞培养的纤维素多孔微载体。

In the first part, the structures of two orthorhombic forms of trypsin crystals in cyclohexane were studied.

本论文的第一部分工作研究了胰蛋白酶正交晶系两种不同晶型的晶体在环己烷中的晶体结构。

The results showed that the crystals with high density form could bear long soaking time in cyclohexane.

实验表明，堆积密度高的胰蛋白酶晶体可以经受环己烷长时间的浸泡。

The main differences are the distribution of the stomatal density and the cystolith cells in the upper epidermis and the distribution of the crystals in the mesophyll.

结果表明，品种间在表皮、叶肉和叶脉上的构造基本相似；主要差别在于气孔密度、上表皮细胞中的钟乳体细胞数目及叶肉中晶体的分布。

The characteristic microstructure of dog cystolith observed under scanning electron microscope was lamina,scattered spheres,granular structure and the mixture of honeycomb crystals and granular with various form.

经过180 d，在实验犬的膀胱内形成了狗宝。狗宝呈乳白色、卵圆形、坚硬。在扫描电镜下呈层状、颗粒状及蜂窝状。

Danburite are rare crystals of calcium boron silicate, the best of which are usually found in Mexico .

赛黄晶是一种稀有的钙硼硅酸盐晶体，世界上品质最优的赛黄晶产于墨西哥。

This is a special state of condensed matter with long-range order that is neither three-dimensionally periodic nor quasicrystalline, but nevertheless possessing a higher degree of organization and higher symmetry than the individual crystals constituting the MTPs.

SEM-EDS分析得到所观察到的二十面体构形的颗粒的成分比B/O是6.4；另外一种四面体结构则有B/O为2，其相应的化学式是B〓O。

The challenge is to get the crystals to regrow throughout the dentin.

她面临的挑战是如何让整个牙本质的晶体再生。

We design several combined photonic crystals models based on the destructive interference theory, which can transfer completely the energy of a signal from one channel to another, or can realize light switching.

我们首先对这两种结构进行了理论上的分析，找到了满足干涉相消的条件。

In some materials with periodic variation of dielectric constants and light within a certain frequency range shows exponential decay due to destructive interference and cannot propagate. This phenomenon is called photonic bandgap and this kind of structures is called photonic crystals.

介电系数周期性排列的材料，部分波段会因破坏性干涉呈指数衰减，导致无法在此结构上传播，此现象称为光子能隙，此类具有介电系数周期性排列的结构则称为光子晶体。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。