nacreous layer中文什么意思

珍珠层

真珠层

珠母层

• nacreous:    adj. 1.珍珠(质)的。 2.产 ...
• layer:    n. 1.放置者，铺设者，计划者。 ...
• nacreous(pearly)layer:    珍珠质层

例句与用法

更多例句：  下一页

1. The research present situation and advancement of growth structure of nacreous layer are discussed
   对珍珠层生长结构的研究现状与发展趋势予以了综述和讨论。
2. They are covered with a smooth , safe , nacreous layer to let them slip , pearllike , from our souls without real pain
   他们被我们包裹在一层光滑、安全、充满光泽的隔离膜中，仿佛珍珠一样，他们经历的苦难不会让我们的灵魂深处感受到任何真正的痛苦。 ”
3. In pearls , the nacreous layers are generally translucent and composed completely of aragonite , whereas layers without pearly luster are opaque and composed of aragonites and / or vaterites with their relative concentrations different in different pearls
   其中具珍珠光泽的珍珠层一般呈半透明状，均?文石组成；无珍珠光泽的不透明层有时由文石组成，有时由六方碳钙石组成。
4. Surface microtopography , representation and tracing of nacreous layers of pteria penguin and blister pearl from sanya , hainan province , are studied by using interference microscope and environmental scanning electron microscope and atomic force microscope
   摘要采用干涉显微镜、环境扫描电子显微镜、原子力显微镜对海南三亚企鹅贝及其附壳珍珠的珍珠层表面微形貌进行了研究。
5. 3 ) in shell of hyriopsis cumingii ( lea ) , the prismatic layers and the nacreous layers are all composed of aragonite minerals , and aragonite crystallites in prismatic layers show obviously preferential orientation of [ 012 ] axis perpendicular to the shell layers , so it is considered that the orientation of aragonite crystallites in prismatic layers perhaps play an important role in deciding the orientation of aragonite crystallites in nacre and acts as one of template to resulting the formation of aragonite with [ 012 ] orientation perpendicular to nacreous layers in nacre
   3 )与海水贝壳明显不同的是，三角帆蚌棱柱层矿物相与珍珠层一样皆为文石相，同时查明棱柱层中文石晶体具[ 012 ]轴垂直壳层面的明显的择优取向。本文认为，三角帆蚌棱柱层中文石晶体的择优取向可能对珍珠层中文石晶体的择优取向存在模板导向的作用，导致珍珠层[ 012 ]定向的文石晶体的形成。