Based upon the growth layer groups in cementum and dentine of the tooth, the age of the huge Sperm Whale was estimated at 29 years.
根据对牙齿磨片牙骨质和牙齿齿质上的生长层组判断，其年龄约为2 9龄。
The interface structure of composite consists of core material diffusion layer, chilling solidified layer, directional growth layer, and cellular granular layer.
复合材料界面结构由芯材扩散层、激冷凝固层、方向性生长层和胞状晶粒层组成。
Bone marrow stem cells can switch roles to produce a protein that promotes growth of the cornea, the transparent layer of the eyeball, scientists have found.
科学家已经发现骨髓干细胞能够转化角色，产生一种蛋白。该蛋白能促进眼角膜(眼球透明层)的生长。
This layer of greenery regulates the internal climate, encourages the growth of plants for food and distinguishes a boundary between inside and outside.
这一层绿色植物调节内部气候，支持可食用植物的生长，并区分内部和外部之间的边界。
In the mesh cage above, spread a layer of soil, can grow grass; naturally settling dust, the natural growth of weeds.
在格宾网网箱上面，铺撒一层土，可以生长草；自然也会沉降尘土，自然生长杂草等。
We found that the coating could restrain the frost layer growth to certain extent. The coating shows a good fastness and repetitive - use performance.
研究发现，这种涂层能够在一定程度上抑制霜层的生长，并且这种涂层牢固性好，重复使用性高。
As the duration of the filter cake layer thickness, increase, resistance increases, filtering the duration of the pressure difference with a straight-line growth.
随着过滤时间的持续，饼层厚度增加，阻力增大，过滤压差随时间的持续呈直线增长。
From macroscopic layer, economic system is regarded as a class of growth process.
从宏观层次上把生产和消费作为一类生灭过程来研究。
RESULTS: TP had the same structure of each layer as normal retina and its similar growth and development rule, which also could synthesize relative neural active substance.
结果：移植视网膜具有正常视网膜的各层结构和相似的生长发育规律，并能合成相关的神经活性物质。
There is an intermediate layer at continual growth by simulation calculation. The intermediate layer lowers reflectivity.
通过模拟计算，连续生长存在渐变层，而渐变层大大降低了反射率；
The microstructure of the ceramic layer is columnar and its growth direction is perpendicular to the substrate surface.
陶瓷熔覆层的组织为柱状晶。其生长方向与基体表面垂直。
The main structure changes in the creep process were fiber rearrangement, the oxidation of the C-rich interfacial layer and crystal growth within the matrix.
蠕变过程中出现的主要结构变化为纤维重排、富碳界面层的氧化以及基质中晶体的生长。
In order to avoid the occurrence of dried soil layer, it is necessary to select the tree species with slow growth and low water consumption, and the afforesting density should be reduced.
为防止严重的土壤干层发生，选择生长较缓慢、消耗水分少的树种是必要的，并应减小造林树种植株密度。
Some treatment parameters led to boron carbon coating above the boride layer which ACTS as a diffusion barrier and prevents a further growth of the boride layer.
一些处理参数会导致在硼化物层上形成硼-碳层，它将起着扩散垒的作用，阻止了硼化物进一步的生长。
SLEUTH model is a kind of ca, it is composed by four growth rules and five coefficients, in conjunction with the excluded layer and the slope layer, it can successfully model the urbanization.
SLEUTH模型是元胞自动机模型的一种具体实现，它包含了四种城市增长方式和五个增长系数，再加上两个控制因素层一起作用于输入数据，能够较好地模拟城市的扩展。
The results show that rare earth elements can efficiently improve the structures of the Chromvanadizing layer, the rate of growth and properties of diffusion layer.
结果表明，稀土元素能有效地改善铬钒共渗层结构，提高共渗层生长速度和性能。
This indicates that the growth of fouling layer and flux decline in concentrating TCM extract by DCMD should be described by cake filtration model.
这说明膜蒸馏运行过程中污染层阻力的生长以及跨膜通量的下降规律应该用滤饼过滤模型描述。
The origin of these traps might be due to irradiation damage induced by plasma during insulating layer growth process.
这些陷阱可能是在不同生长条件的介质膜淀积过程中等离子体引进的有关辐照损伤。
The metal silicide layer prepared by the method has high heat stability and controllable growth speed.
本发明方法制备的金属硅化物层热稳定性高，且生长速度可控。
Further growth of the first layer of nanostructures is then inhibited.
纳米结构第一层的进一步生长随后被抑制。
The cell line grew with adherence, showing a tendency of multi layer growth without contact inhibition.
细胞呈贴壁生长，趋向复层，无接触抑制。
The relationship between growth of graded layer and carburizing time calculated by the equation is close to experimental results.
用此方程计算出的梯度层厚度随渗碳时间变化的关系与实际测量值比较接近。
In fact, the thickness of the intermetallic layer is determined by a combined process including simultaneous dissolution and growth of the intermetallic compound.
实际上，在化合物层的生长过程中同时也伴随着溶解过程，由于其生长速度大于溶解速度，化合物层厚度随钎焊时间的增加而增加。
This dissertation is mainly to study the growth of osmium and the properties of magnetic films with an OS layer.
本论文主要在探讨锇金属的成长及加入磁性多层膜后之特性研究。
On the basis of the transformation of nonintegral folded-chain (NIF) crystals into integral folded-chain (IF) crystals, the growth processes of double lamellae and single layer lamellae is discussed.
根据非整数次折迭链晶向整数次折迭链晶的转变，讨论了双层片晶和单层片晶的生长过程。
VOF method was used to track and adjust the free surface of fused drop, enthalpy-porosity technique was used to track the growth of solidifying layer.
使用VOF方法对熔滴的自由表面进行跟踪和修正，使用焓-多孔介质的方法对熔滴内部凝固层的变化进行追踪。
On the basis of the transformation of nonintegral folder-chain (NIF) crystals into integral folded-chain(IF) crystals, the growth processes of double lamellae and single layer lamellae is discussed.
根据非整数次折迭链晶向整数次折迭链晶的转变，讨论了双层片晶和单层片晶的生长过程。
The growth of the bush layer and herb layer would not be neglected when allocating pioneer plants.
提出在配置先锋群落时，要兼顾灌木层和草被层的生长；
The growth of the bush layer and herb layer would not be neglected when allocating pioneer plants.
提出在配置先锋群落时，要兼顾灌木层和草被层的生长；
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