Stand density index (SDI) was applied as a quantitative index to measure mean crowd degree between trees.
选择林分密度指数(SDI)作为反映林分中林木之间平均拥挤指标。
The urban air quality was graded and density index of environment quality was calculated to obtain corresponding assessment results.
同时，对阜新市大气环境质量进行了评价，计算出阜新市环境质量浓度指数并得到相应的评价结果。
Repameterizing the average tree height growth model improved the fitting results a lot by introducing site index and density index variables.
引入地位指数和密度指数可大幅提高林龄单因变量平均高生长模型的拟合度。
Sludge density index (SDI) of effluent treated by improved formula is below 5.0, and it would meet the quality requirement of the influent of following reverse osmosis unit.
经改进配方，处理的排污水的污泥密度指数(SDI)小于5.0，能够满足后续反渗透单元的进水要求。
Based on principle of reverse osmosis and used microcomputer 89c52 as controller, an automatic detection instrument of sludge density index (SDI) of water pollution is designed.
基于反渗透原理，以89c52单片机为控制器，设计了水污染指数中的淤积密度指数(SDI)的自动在线测试装置。
Single age variable stock volume growth model had low coefficient of determination, but it was improved a lot by introducing site index and stand density index in reparameterization.
林龄单因变量的蓄积量生长模型决定系数低，引入地位指数和密度指数再次参数化的生长模型可显著提高模型拟合度。
Methods: Using X-ray; bone mineral density index and bone biochemistry measure 369 cases of old fracture who have been fracture in three years through means of Evidence-based medicine.
方法：在循证医学指导下对福利院369名老年人中3年间发生骨折的病人进行X线摄片和骨密度、骨生化代谢指标测定。
The road density index analysis has two ways: the post-classification compare method based on spectral-spatial structure and the imagery difference method based on spectral-spatial structure.
道路密度指数分析法有两类方法：基于光谱—空间结构的分类后比较法和基于光谱—空间结构的图像差值法。
OBJECTIVE: To analyze the effects of age, menopausal duration, menopause age, height, body mass and body mass index on bone mineral density (BMD) in postmenopausal women.
目的：分析年龄、绝经年限、绝经年龄、身高、体质量及人体质量指数对绝经后妇女骨密度的影响。
Kind of measurement Net or gross calorific value, Wobbe index, Density and minimum air requirement.
测量种类净热值或总热值，华白指数，密度，最少空气需要量。
The species component, density and index of crown cover in the tree layer effect on distribution of illumination and under plants in the plant community.
群落中光照的分布状况受乔木层的种类组成、密度与冠幅指数等因子的影响，且对下层植物分布有较大的作用。
Warp and weft density of fabric is one of the index to measure the quality of fabric.
织物的经纬密度是衡量织物质量的其中的一项指标之一。
Investigators measured height, weight, and blood pressure, calculated body mass index, and obtained levels of serum total cholesterol and high-density lipoprotein cholesterol.
研究者测量了受试者身高、体重和血压，计算出体重指数，并测出血清总胆固醇和高密度脂蛋白蛋白结合胆固醇的水平。
The maximum dry density is a mainly index of compaction quality for rockfill material.
最大干密度是确定填石料压实质量的一个主要指标。
The effect of the shearing strength indexes variation and the density variation of tailings on reliability index is analyzed.
探讨了材料的抗剪强度指标和密度的变异性对坝体可靠指标的影响规律。
The factors of flammability testing of no-halogen flame-retardant PE were investigated by testing methods of the oxygen index and the smoke density.
采用氧指数和烟密度分析方法，对无卤阻燃聚乙烯试样燃烧性能测试的影响因素进行了分析。
This article suggests that lighting power density (LPD) should become the evaluating index of tunnels energy-saving lighting.
该文建议应采用照明功率密度(LPD)作为隧道照明的节能评价指标。
Define horn fruit layers of thickness and horn fruit layers of density rape important colony quality index; it is the comprehensive economic indicator too.
明确了结角层厚度与结角层密度是油菜重要的群体质量形态指标，也是综合性经济指标。
CONCLUSION: antibacterial use density is an ideal index for reflecting the use of antibacterials.
结论：抗菌药物使用密度是反映抗菌药物应用情况的一个较为理想的指标。
The density, machinery intensity, hardness and medium resistance index of the rubber products meted the technology requirement.
胶件密度、机械强度、硬度、耐介质系数等性能指标均达到技术要求。
The paper studied the variational process of leaf area index LAI, leaf chlorophyll density ch.
分析了北京大屯科技站水稻叶面积指数LAI、叶绿素密度CH。
Both yields of ground wood timber and chemical pulp timber increase with increase of site index and planting density.
磨木浆材和化学浆材产量随立地指数和密度的增大而增加。
The ratios of stem, bark and branch biomass to total biomass of stand and individual tree are basically steady in different site index and planting density.
林分和单株的树干、树枝、树皮生物量组成比例均随立地指数、造林密度的变化无明显的差异。
The correlation between the standard classified road power spectral density (PSD) and international roughness index (IRI) was discussed by using regressive analysis.
通过回归分析的方法对标准分级道路功率谱密度与相应国际平整度指数之间的关系进行了研究。
In this paper, the stratigraohic volume density and hydrogen index gained from the information of density-neutron logging are respectively compared with both the low-limit values of gas formation.
本文从密度和中子测井信息中提取的地层体积密度及含氢指数，分别同气层体积密度及含氢指数的下限值作比较，前者小于后者，直观指示为气层。
The values of density and refractive index of the saturated solution decrease with the ethanol content increasing.
两体系平衡饱和液的密度和折光率均随着乙醇含量的增大而减小。
A high degree of relationship was found between the power spectral density and thermal response index (TRI).
功率谱密度值与时域指标体温反应指数(TRI)有极好的相关性。
Wood density is an important index to evaluate the wood quality and it's also the external reflection of the comprehensive index of the wood interior factor.
木材密度是表示木材材质的重要指标，它是木材内部因子综合性指标的外在反映。
Wood density is an important index to evaluate the wood quality and it's also the external reflection of the comprehensive index of the wood interior factor.
木材密度是表示木材材质的重要指标，它是木材内部因子综合性指标的外在反映。
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