查询词典 variable-density system

This article studies the conception of safe oxygen content by theoretical and experimental researches, and discusses the simple method to decide minimum oxygen density and critical value of oxygen density by chemical calculation and graphing method, and elementarily analyses the connection between minimum oxygen density and critical value of oxygen density.

理论上分别通过化学计算法和作图法探讨了最小氧浓度和临界氧浓度的简单确定，并初步分析了最小氧浓度与临界氧浓度的关系。

Rats with CHF were divided randomly into two groups, one group was injected dexamethasone(1mg /kg) intramuscularly at the first and forth day respectively,the other group was injected equi-volume saline likewise, and observing the changes of symptoms of rats with CHF; measuring rats hemodynamics index including blood pressure, heart rate and left ventricular end-diastolic pressure 4 days later. Part 2: To measure every group rats myocardialα1、β1、β2、β3-AR density by immunohistochemical method ,and to understand the AR density changes .Taking the first part rats'myocardium tissues for testing myocardialα1、β1、β2、β3-AR density and 5 normal rats for normo-contrast group and taking gray scale of slice as AR density. Part 3: The study enrolled 35 patients with DCHF. Patients were included if they had orthopnea and refractory edema due to acute DCHF that was severe and had taken more 1 week hospitalization and intravenous therapy in addition to diuretics.

观察心衰大鼠的症状，4天后对两组大鼠进行血流动力学检测，检测指标包括血压、心率和左室舒张末压；第二部分：取第一部分实验动物大鼠的心肌组织，并取5只正常大鼠的心肌组织作为正常对照，用免疫组化法检测大鼠心衰前后及糖皮质激素治疗前后大鼠心肌组织肾上腺素能受体α1、β1、β2、β3受体的变化，取镜下切片的灰度值反应受体的密度；第三部分：研究对象为临床难治性心衰病人35例，病人的选择标准包括由于急性失代偿的心力衰竭出现的端坐呼吸，难治性水肿，患者病情严重，住院超过1周，包括利尿剂之外药物的静脉治疗。

Of which,wet basis ash content is defined by gamma-ray log,and the precondition is the ash mainly argillaceous and contains no radioelement;carbon is defined by density log and artificial gamma log,and moisture calibration for density log ;saturated porosity is defined by density log after ash calibration;gas content is defined by acoustic log and density log compou.

其中以自然伽马测井确定湿灰分，该方法的前提条件是湿分主要是泥质且泥质不具放射性元素；以密度测井与人工伽马测井确定含碳量，并对密度测井作湿分校正；以灰分校正后的密度测井确定饱和水孔隙度；含气量的估算以声波测井和密度测井组成的复合参数ΔT/dDEN来确定，或以视电阻率曲线确定含气量。

The friction coefficient of the samples with low density of composite A increase with the prolonging of test time, while the samples with high density remain stable; the friction coefficient of the samples with low density of composite B exhibit ruleless results with the increase of load, while the samples with high density remain stable, too.

随时间延长， A 材料低密度试样摩擦系数升高，高密度试样的保持稳定； B 材料低密度试样的变化不规律，高密度试样能基本保持稳定。

There were high density images shaped as rope and slip in lungs of model control group rats and the pleura near the images were a little thickening. In MTX treated group, there were high density images shaped as slice along pulmonary veins. The veins of the blood vessels were obscure and the edges were unclear. In TPT treated group,there were multiple high density images shaped as tubercle and slice and the boundary were not clear. In XFC treated group, the lungs' outlines were clear and the veins were welldistributed. High density images shaped as spot were found in part lungs.

结果：HRCT表现为模型对照组大鼠肺轮廓欠清晰，肺部血管影扩张，边缘模糊且不规则，两肺有索条状密度增高影，邻近胸膜轻度肥厚；甲氨喋呤组大鼠肺部可见沿着肺纹理分布的斑片状密度增高影，肺血管纹理模糊，边缘不清楚；雷公藤多苷片组大鼠两肺可见多发性结节状及斑片状密度增高影，境界欠清晰；新风胶囊组大鼠肺轮廓清晰，肺纹理分布均匀，部分肺组织显示斑点状密度增高影。

Every treatment combination has 4 replications.(1)The germination indexes of the former are higher than that of the latter; the germination of the former is stimulated by NaCl density of 0.3 %, while that of the later is restrained by all kinds of NaCl density.(2)With increasing of temperature and PEG indesity,the order of germination rate and vigor of Bromus stamineus and Bromus inermis is decreaced.(3)Under treatment of broadcast sowing and plant density of 549kermels·m~(-2), Bromus stamineus has the highest bud rate, fresh weight, seed yield, while treated with 25cm row spacing and 412kermels·m~(-2) plant densities, tillers, plant height, growth rate increased to the top;(4) Under treatment of broadcast sowing and plant density of 549kermels·m~(-2), its growth rate is took second place, while treated with 15cm row spacing and 824kermels·m~(-2) plant densities, it has the highest seed yield

3撒播时，引进种在播种密度为549粒·m~(-2)处理下单位面积出苗率最高，分蘖数最多，鲜重最大，单株最高，种子产量最大；生长速度在播种密度为412粒·m~(-2)处理下生长最快，密度为549粒·m~(-2)处理下稍次之，结合方差分析可以初步确定它在撒播时的播种密度为549粒·m~(-2)；(4)条播时，在行距为25cm、播种密度为412粒·m~(-2)处理下单位面积分蘖数最多，鲜重最大，单株最高，生长速度最快；种子产量在行距为15cm、播种密度为824粒·m~(-2)处理下最大，在行距为25cm、密度412粒·m~(-2)处理下次之；结合方差分析，就3种规格的行距来说，引进美国无芒雀麦条播时的行距为25cm，播种密度为412粒·m~(-2)；就这两种播种方式来说，应该选择撒播。

The results showed that the highest density of microvessel was found in the stratum moleculare than other stratum,while the stratum pyramidale and stratum oriens were high density, mediate density respectively, and the lowest density was found in the stratum lacuno-sum.

结果表明，海马皮质各层的微血管密度，以分子层最高，以下依次为锥体细胞层和多形细胞层，而腔隙层最低。

Spatial heterogeneity of the eggs and adults in higher density, adults in lower density were caused by random factors, but spatial variability of the 2~4 instars nymphs in the higher density, and of the eggs and 2~4 instars nymphs in the lower density were spatially autocorrelated.

在高密度下卵和成虫及低密度下成虫的空间异质性是由随机因素引起，而高密度下2~4龄若虫及低密度下卵和2~4龄若虫的空间异质性是由空间的自相关因素引起。

The result showed that the spatial variability of the soil bulkinthis area was complicated and there was not a certain variation.The soil bulk density of loamy soil was(1.55±0.09)g/cm3,the soil bulk density of sandy soil was(1.43±0.16)g/cm3 and the soil bulk density of clayey soil was(1.54±0.07)g/cm3.The soil bulk density of the cross-bedding soil composed by sandy soil and clayey soil was(1.47±0.12)g/cm3.The soil showed a tendencyto be compacted.

结果显示，研究区域土壤容重的空间变异情况复杂，无确定的变化规律；壤质类土壤的容重值为(1.55±0.09)g/cm3，砂质类土壤的容重值为(1.43±0.16)g/cm3，粘质类土壤的容重值为(1.54±0.07)g/cm3，粘砂交错层的土壤容重值为(1.47±0.12)g/cm3，土壤呈紧实趋势。

The analysis data came through scene surveys and video record investigations. The stair speed rule considering the factors of sex, age, and the information guide is analyzed by statistics methods. According to the change rule of the density with speed, the speed or volume data at the certain density are combined. The relationship between volume, density and speed is obtained through suitably enhancing the density of the data in sensitive regions.

通过现场观测和摄像调查获取大量数据，利用统计学的方法分析性别、年龄以及信息对楼梯速度的影响规律；根据行人速度随密度变化的大致规律，对给定密度下的行人速度或者流量数据进行合并处理；适当加密变化敏感区域的数据，并利用这些统计数据建立上下楼梯行人的流量—行人密度—速度曲线关系。

Objective:To explore the feasibility of laparoscopy in diagnosing and treating of abdominal diseases.

目的：探讨腹腔镜用以诊断腹部外科疾病及选择治疗方案的可行性。

The lifetime of nylon 1010 and nylon 1010/POSS composites decreased with increasing temperature.

热重-红外联用分析表明尼龙1010在氮气气氛下的降解产物主要为小分子的低聚物，POSS并不改变尼龙1010降解产物的组成。