查询词典 sample method

The characteristics of postures, crown form, branch appearance and the leaf shape of Syringa oblata were analyzed by practical measurement of individual plant Mathematic method and model were adopted to analyze the sample data and deeply explore the vegetation quantity of Syringa oblata in Harbin. A quantitative method was put forward for vegetation quantity of Syringa oblata distributed in Harbin and the information management system of vegetation quantity of Syringa oblata for Harbin has been established.

本项研究选取了哈尔滨市园林绿化上数量最多、应用最广的木犀科丁香属植物中的紫丁香为研究对象，立足于哈尔滨市的环境特点，采用逐株实测的方法，具体分析紫丁香姿态、冠形、枝形、叶形的特点，采用数学方法和模型研究对紫丁香样本数据进行分析，并深入研究紫丁香"绿量"的内涵，探索出了哈尔滨市紫丁香"绿量"的量化方法，建立了哈尔滨市紫丁香绿量信息管理系统。

Comparison has been done about the sample selecting of the partial duration series method and the annual maximum series method by using the statistical simulations. The effect of different threshold values on the frequency analysis results has been studied.

本文运用统计试验方法对部分历时序列法与年最大值统计法两种不同取样方法的比较、不同阈值对频率分析结果的影响等方面进行了研究。

A method for the determination of total iron in iron ores by auto-potentiometric titrimetry with micro-wave sample digestion technology is proposed. The results arc in agreement with those from ISO 9507 method.

将微波消解溶样技术与自动电位滴定相结合，用于铁矿石中全铁量的测定，检测结果与ISO 9507方法的结果相符。

The principle of the method is as follows: The method employs a transmission grating plate placed over a sample surface at a small distance h. According to diffraction theorym an incident light wave is divided into both reflected and transmitted diffraction waves at the grating plate.

该方法的原理如下：该方法采用了透射光栅放置在一个小的距离超过每小时板样品表面据衍射theorym事件光波分为既反映和传播的格板衍射波分歧。

This method is based on moving average techniques, a statistics Uis calculated and opimized within a variable-sized moving window centred at an arbitrary sample location. The optimal statistic U(r0) characterizes the entities present in an image,therefore the U-statistic method usually provide better results in geochemical pattern recognition.

建立在移动平均技术基础之上，对任意一个样品位置，以该样品为中心具有窗口大小r可变化的移动窗口内，可计算出窗口内的一组样品所确定的统计量U值，根据统计量的最佳值U(r0)所成的图像，可以更好的反映相邻样品间存在的空间相关和变化特征，有助于地球化学模式识别和异常筛选。

Method］ Take foramen magnum resin D101 to separate polysaccharide from the zymotic fluid of Cordyceps mycelium, the phenol-SO2 method to measure polysaccharide in sample.

方法］采用D101大孔树脂分离冬虫夏草菌丝体发酵液中的多糖；采用苯酚-硫酸法测定样品中多糖含量。

The L band 500W SSPA module which has reached national level is the first sample of the Southwest China Research Institute of Electronic Equipment in this aspect;2. The method which to obtain fast rising time for narrow pulse width is got;3. The method of eliminating autoecious surge with pulse power amplifier is presented;The cause of pulse shape aberration is analysed.

二、工作的创新之处(1)L波段500W固态功放组件达到国内先进水平，是29所研制的第一台固态雷达功放组件；(2)得到了如何在窄脉宽情况下获得快速上升沿的方法；(3)提出了针对脉冲功率放大器的消除寄生振荡的方法；(4)对脉冲波形变差进行了分析。

Based on the absorbance change of indicators with the concentration of hydrogen ion released from the enzyme-catalyzed reaction, a convenient colorimetry method is established for the assay of acidic phospholipase 〓 and glycogen phosphorylase b Brilliant yellow and bromothymol blue are chosen as indicators for assays of acidic phospholipase 〓 and glycogen phosphorylase b by following the absorbance changes at 495 nm and 615nm respectively The method is simple, sample-saving, sensitive and valid for a wide range of enzyme concentrations.

为了研究糖原磷酸化酶的激活动力学和酸性磷脂酶〓的复性过程，我们根据酶催化反应中释放氢离子浓度的变化引起相应的指示剂的光吸收发生变化的原理，建立了一种简捷的比色法，用于测定酸性磷脂酶〓和糖原磷酸化酶b的活性。选用亮黄和溴麝香草酚兰分别作为酸性磷脂酶〓和糖原磷酸化酶b测活的指示剂，在495 nm和615 nm处检测二者的光吸收值的变化，可以测定酶活。本方法的优点是，可在比较宽的酶浓度范围内进行活力测定，而且操作简单、节省样品、灵敏度高。

The P-wave velocity v(superscript p and electrical conductivity of chloritic amphibolite are measured at 1.0 GPa, from room temperature to 700℃, using ultrasonic reflection-transmission combined method and impedance spectra method respectively. The sample comes from northern margin of the North China craton.

在1.0 GPa、室温至700℃条件下，分别采用超声波反射－投射法和阻抗谱法，测量了华北克拉通北缘绿泥石化斜长角闪岩的弹性波纵波速度和电导率。

A mathematical model for determination of finish on diacetate cellulose tow was established. The method by this model was proved to be rapid and simple for sample preparation. The results obtained are identical to those by traditional method.

采用此模型进行二醋酸纤维丝束外油分析，具有分析速度快、样品制备简单等优点，且分析结果与传统分析方法有很好的一致性。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。