环状的

Chromophoric cyclic polyenes including 4H-pyrans, fulvenes, and siloles are designed and synthesized.

研究了4H-pyrans，fulvenes，siloles等环状多烯结构的小分子荧光染料在溶液，固态及薄层层析板上的荧光发射行为。

Near threshold fatigue crack growth tests were conducted under torsion on circumferentially pre--cracked round bars of a stainless steel.

研究了带环状预裂纹不锈钢圆棒试样在循环扭转载荷下、门槛值附近的疲劳裂纹扩展行为，用应力强度因子表征了裂纹扩展开始的门槛值。

After propagation, GTH cells evacuated large number of secretory granules, TSH cells appeared vacuoles, rough endoplasmic reticulum in STH cells were circumnuclear.

繁殖后，GTH细胞中的分泌颗粒出现排空；TSH细胞有空泡；STH细胞中的粗面内质网呈现围核环状排列。

The cricopharyngeal muscle, a component of the inferior constrictor, forms the muscular orifices of the esophagus.

环状咽肌是肌下缩肌中的一个组织，形成食道的肌肉。

Disk membranous or fleshy, annular to cupuliform, entire or slightly 5-lobed, intrastaminal; anthers longitudinally dehiscent, introrse.

花盘膜质的或肉质，环状到杯形，全缘的或稍5裂，雄蕊内；花药纵向开裂，内向。

The main compositions of LP are shorter chain carboxylic acid and their ethyl esters, furan derivatives, cyclopentanone, phenol derivatives, benzene derivatives, aromatic ketone, aromatic acid derivatives, longer chain carboxylic ethyl esters and sterides. After upgrading, the main indexes reach the standard of fuel oil.

结果表明，LP的主要成分包括短链或环状脂肪酸及其酯、呋喃衍生物、环戊烯衍生物、苯酚衍生物、苯衍生物、芳酮、芳酸及其乙酯、长链脂肪酸乙酯和甾族化合物，经提质其主要指标达到了燃料油的标准。

To enable the fabrication of thermally stable ultralow dielectric constant film, specific precursor materials are used, such as, cyclic siloxanes and organic molecules containing ring structures, for instance, tetramethylcycloterasiloxane and cyclopentene oxide.

为了能够制造热稳定超低介电常数材料，使用特定的前驱物材料，例如环硅氧烷和例如四甲基环四硅氧烷和环戊烯氧化物这样包含环状结构的有机分子。

A series of segmented thermally stimulated shape-memory polyurethanes, which consist of polyethylene adipate glycolas the soft segment and 4,4'-diphenylmethane diisocyanate-1,4-butanediol-DPA(which consists of ring components) as the hard segment were synthesized by one-step polymerization.

以聚己二酸乙二醇酯二醇为软段、4，4' -二苯基甲烷二异氰酸酯 1，4 丁二醇含环状结构的扩链剂DPA为硬段，采用一步聚合法制备了一种具有热致形状记忆功能的多嵌段聚氨酯弹性体。

Next, seven of those trimmed molecules combine to form a ring-shaped structure, or heptamer, that captures the two factors and is transported to an internal membrane-bound compartment called an endosome.

之后，七个剪裁过的保护抗原分子会聚集起来，形成一个环状构造，称为「七聚体」，藉此抓住另外两种因子，再一起送入细胞内一个称为「内小体」的膜状构造。

Bright Qing Dynasty region composition centers industry and commerce of two acting Jinan relatively, with Ming Dewang government office (Qing Dynasty strokes a courtyard) for the center, organization of space of urban economy function presents the characteristic that gives homocentric cirque shape to distributing, apparent ground is known the effect of pattern by the diplomacy inside the city, area of industry and commerce is concentrated at artery two side are mixed city gate inside and outside, the free market of agricultural products distributings at suburbs, but environment of geography of ancient city suburbs and traffic situation have very big difference, suffer its to affect on the west outskirt economy is most active, boreal outskirt is the flattest.

明清两代济南工商业区布局相对集中，以明德王府为中心，城市经济职能空间组织呈现出同心圆环状分布的特点，并明显地受到城内外交通格局的影响，工商业区密集于干道两侧和城门内外，农贸市场分布于四郊，但是古城四郊地理环境和交通形势有很大差异，受其影响西郊经济最为活跃，北郊最萧条。

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％。