查询词典 skeleton

Naphthalene and its derivatives perhaps derived from the dealkylation of macromolecular with cycle diterpenoid skeleton in algal cells during thermal evolution process. These macromolecular break down to form alkylnaphthalene with different long alkyl chain.

萘及衍生物可能是藻体中具环状二萜类骨架的大分子在热演化过程中发生去烷基化作用生成，藻体中具长链烷基环状二萜类骨架化合物在热演化过程中烷基发生断裂，生成烷基链长度不等的烷基萘。

In this paper, the load-displacement and skeleton curve of dendriform connections to the concrete filled square steel rectangular tubes under low-cycle reversed loading was calculated by fiber line element model, which is based on the relation of the stress-strain of steel and concrete and is compared with the FE and experiment.

本文在确定了往复应力作用下钢管混凝土的钢材和核心混凝土的应力－应变关系的基础上，利用纤维杆元模型，有限元模型对钢管混凝土Y形柱和十字形钢梁连接的节点的荷载－位移滞回关系曲线及其骨架曲线进行了计算，并与试验结果进行了比较。

With cellulose as the skeleton, gelatinized cassava starch solution and tungsten carbide were used as porogenic agent and inert densifier, respectively. The matrix prepared showed good sphericity and a logarithmic symmetrical distribution of particle size.

取得的主要结果如下：纤维素基复合层析基质的物理功能化：以再生纤维素为骨架，碳化钨粉末为增重剂，糊化木薯淀粉为制孔剂，采用&反相悬浮热再生法&和成球后去除淀粉方法，成功制备了纤维素/碳化钨复合微球，可用作层析介质的基质。

Dermoid cyst and teratoma were mixed in different degree with fat,calcification and skeleton.

畸胎类肿瘤特点为含有脂肪成分和不同程度钙化、骨化。

It is a kind of potential environmental endocrine disruptor, similar to the persistent organic pollutants. It can accumulate in the environment and biota and it has adverse effects on the environment and the living creature, such as disrupting the action of hormones related to the skeleton and brain development.

它是一种类似于持久性有机污染物的潜在环境内分泌干扰物，能在环境和生物体内积累，对环境和生物产生严重的影响，如干扰生物的激素系统，影响骨骼和大脑发育等。

Methodologies for stereoselective synthesis of alkenes are of great interest in synthetic organic chemistry since many biologically active compounds occuring in nature possess the structural skeleton of disubstituted or trisubstituted alkenes.

烯烃的立体选择合成方法学研究是有机合成化学中的重要课题，因为许多重要的天然产物中均含有双取代或三取代烯烃的结构单元。

It worthes noting that diterpene skeleton of tanshinone and gibberellic acid are similar.

丹参主要含有脂溶性的二萜醌类化合物和水溶性的酚酸类化合物，均具有较强的药理活性。

Luzoniana collected from the South China sea were studied. A compound, isolated from the soft coral, was found to be a bicyclic diterpene alcohol with a rearranged dolabellane skeleton.

应用波谱和X-射线单晶衍射分析等方法确定Ⅰ为具有变形dolabellane型碳架的双环二萜醇：(3 E，5 S，7 E，11 S，12 S，14 Z)-11-甲基-15-降dolabella-3，7，14-三烯-5-醇(图1)。

Twenty compounds have been isolated and structure-elucidated, ten of which were new compounds including one new skeleton diterpene malloapeltin A, 5 cembrene-type diterpenes, two dolabradane-type diterpenoids, one triterpene ester malloapeltin B and one coumarinolignoid compound 5'-demethyl aquillochin.

其中有10个是新化合物，包括一个新骨架的二萜，五个枯烯类的二萜，两个罗柏烷型的二萜，一个三萜的对苯二甲酸酯和一个香豆素木脂体类化合物。

The bone dosimetric values are influenced by the parameters of skeleton mass.

鉴于骨骼组织不同部位的辐射敏感性存在差异［2］，特别是已确认骨髓的造血干细胞和衬在骨表面上的成骨细胞是骨骼中致癌危险的靶细胞，因而ICRP30号出版物［3］详细介绍了估算骨骼靶器官的吸收剂量的骨剂量学模型，使骨剂量的计算趋向精确。1995年，ICRP又专门编著了用于辐射防护的骨骼解剖和生理参数的70号出版

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。