beach marks是什么意思

用法例句

Study on Heavy Metal Content in Oyster Shell and Its Relevance to Sea Water;

近岸海域贝壳与海水重金属含量的相关性研究

Study on the preparation of the calcium citrate from shells with once time calcination;

以贝壳为钙源一次煅烧法制取柠檬酸钙

Studies on the Desulfurization Kinetics of Shell Sorbent Using Thermogravimetric Analysis Method;

热重分析法研究贝壳固硫反应动力学

Methods for Morphometry and Analysis of Gastropod Shells;

腹足类贝壳特征的测量及分析方法

In this paper,calcination characteristics and desulfurization property of several kinds of shells are studied by using thermogravimetic analysis methods.

采用热分析方法对几种贝壳的煅烧特性和固硫特性进行实验研究 ,在理论分析和实验研究的基础上得到贝壳煅烧反应的动力学模型 ,并求出表观活化能 ,结果表明贝壳的表观活化能比石灰石小约 10 0kJ·mol-1。

There are different varieties of shells with different shapes, which are the basis to classify them.

贝壳种类繁多 ,形态各异 ,是贝类分类的主要依据 ,因来源不同贝壳的化学成分略有差别 ,主要有占全壳95 %的碳酸钙和少量的贝壳素 ,简述了贝壳在工艺品制造、养殖业和医药方面的应

The effects of silicane coupling agent on the properties of epoxy matrix composites filled with rigid shell powder were studied.

以贝壳微粉为刚性填料,研究了硅烷偶联剂对贝壳微粉改性环氧树脂复合材料性能的影响。

The microstructure of a mactra sulcataria shell was observed by scanning electronic microscope(SEM).

使用扫描电镜(SEM)观察蛤蜊贝壳的微结构,结果显示蛤蜊贝壳是一种由无机文石和有机胶原蛋白组成的层状生物陶瓷复合材料。

The research of structural colors in ligament of bivalve shells by optic microscope and SEM t shows that there are brilliant structural colors in the ligaments which could be exploited as a new type of gem materials or collections.

应用光学显微镜及扫描电镜对双壳纲贝壳韧带结构色的研究表明,韧带具有非常美丽的结构色,可以做为宝石材料或收藏品。