查询词典 curve of growth

In this paper, the function of regression matrix is estimated in a growth curve model, and the necessary and sufficient conditions that a linear estimator of the function is admissible among the class of all lin ear estimators under matrix loss are obtained.

摘 要：对增长曲线模型中回归矩阵的函数的线性估计进行了研究。在矩阵损失下，作者得到了线性估计在一切线性估计类中可容许的充要条件。

And the control volume finite difference method based on the boundary fitted curve line coordinate for the coupling model of whole system;(2)introduction of the relative temperature gradient function Sv , which is used to determine the evolution of crystal / melt interface shape, because the shape of the crystal / melt interface during crystal growth is an important factor in determining the crystal quality.

本文采用数值模拟方法，研究了传热对晶体生长的影响，包括以下几个方面：(1)建立了晶体的简化模型，熔体的简化模型和相应的数值计算方法；为了从总体上研究晶体生长的动态特性，首次导出了旋成体曲线座标系的SIMPLEC算法，并成功地应用于晶体生长的整体模拟。

According to the method of branch relative growth curve,the first pruning of Larix olgensis is about 15 years and the intension is about 40%to 50%.These results can provide theory base and management method for improving forest increment and timber quality which is of great significance.

本项研究将在提高我国落叶松人工林林木生长量，干形控制和木材质量方面提供坚实的理论基础和经营方法，具有重要的理论和现实意义。

The chondrocytes of different generation were observed with light-microscope and transmission electron microscope for cellular growth and ultromicrostructure, with the method of MTT assay for grow curve and proliferation, with alcian blue test for GAG of ECM, with immuocytochemistry and RT-PCR (reverse transcript -polymerase chain reaction)for type Ⅱcollagen, with flow cytometry for cell life cycle ,histochemistry for S-A-β-galand so on by which to identify cataplasia and senescence of chondrocytes cultured in vitro.

对软骨细胞退变老化进行观察，采用相差显微镜观察其生长情况，透射电镜观察细胞结构，阿力新蓝染色检测胞外基质硫酸GAG含量和结构，免疫细胞化学法和RT-PCR方法检测Ⅱ型胶原鉴定软骨细胞，以MTT比色法描绘生长曲线、检测生长状态，组化法检测老化相关β-半乳糖苷酶，流式细胞仪分析细胞周期和增殖指数。3。

This curve shows how growth of microorganisms, production of toxins, and physicochemical reactions are affected by water activity.

该曲线说明了水分活度对影响微生物的生长、毒素的产生和物理化学反应的影响。

Results showed that the growth and development of White-Cheeked Starling′s nestlings was divided into three period, the nestlings growth presented the "S" type curve.

结果表明：灰椋鸟雏鸟生长发育分为三个时期，雏鸟生长呈现&S&型曲线。

If taking use of price to measure quality growth directly, there will be some errors. Fortunately, the quality Engel curve gives us a useful tool and good viewpoint to estimate the quality growth.

如果直接用价格来衡量品质升级就会有所偏差，而品质恩格尔曲率则提供了一个良好的研究工具和研究视角。

Beijing Fatty Chicken, Langshan Chicken and Small-tailed Han Sheep were selected as experimental material. Fibroblast library was constructed through tissue confluency culture and cell freeze technology. Growth dynamics, genetic stability and contamination of of cross breeds etc.were detected through growth curve, chromosome analysis, isoenzyme analysis etc. Cloning and sequence of gene GPAT of Beijing Fatty Chicken was analyzed by cloning technology and software related.

本论文以北京油鸡、狼山鸡、小尾寒羊为研究对象，采用组织块贴壁培养法和细胞冷冻技术构建成纤维细胞库，采用生长曲线、染色体分析、同工酶分析等方法对细胞生长动态、遗传稳定性、种间交叉污染等进行检测；采用基因克隆技术和相关分析软件对北京油鸡GPAT基因进行克隆和序列分析。

On the basis of stand of masson pine in Hubei Province, an advantageous height growth model、models of stand self-thinning,diameter growth before thinning and after thinning,diameter distributions model,tree height curve was formulated,and forcast model of wood recovery by stem analysis was established.

利用湖北省马尾松人工林的样地资料，建立了优势高生长方程、林分自然稀疏方程、未疏伐林分直径生长方程、疏伐后林分生长预测方程、直径分布模型、树高曲线方程；根据现场造材资料，建立了材种出材率预测模型。

The catch-mark-release method was used in field works for three years (1980-1982), the net production of the root vole population was estimated with individual turnover rate , reproductive growth production and growth survival curve on two plots.

野外工作采用标志重捕法，利用个体周转率、繁殖—生长生产量和生长—存活曲线估算了两块样地上根田鼠种群1980—1982年3年间的生产量。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐