样方法

Pielou的合并样方法和刀切法是两个比较通用的方法，用它们可以解决其中的一些问题。

It is concluded that Pielou ′ s pooled quadrat method and jackknife method are two better methods to solve some of the problems , and jackknife method is more practical in application than the other .

采用路线调查法和样方法研究了陇东黄土高原丘陵沟壑区天然草地植物群落组成的特征。

Route survey and quadrat method were adopted to investigate the florae on natural grasslands in hilly and gully area of the Loess Plateau lying in east Gansu Province .

X射线衍射粘土矿物分析制样方法

Oriented sample mounts for the analysis of clay minerals by X-ray diffraction

V型件翻边成形的数值模拟面向样件的二维钣金件优化排样方法研究

Numerical Study on Flanging of V-Shaped Sheet Metal Part A Part - oriented Method of 2D Sheet Metal Nesting

本文介绍一种用于X射线荧光波谱分析的无标样方法，推导了计算元素含量的迭代方程式。

This paper expounds a methods for X-Ray fluorescence spectrometry without standards , and derived a iteration equation for calculation of concentrations of the elements .

OD调查数据的扩样方法

The Methods of OD Survey Sampled Data Expansion

研究了ICPAES的操作条件和溶样方法，确定了适宜的实验条件，如对仪器参数和共存元素对信号的影响进行了研究。

The influence of ICP-AES operating conditions , sample dissolution methods and spectral lines were studied .

XRF测定硅铁的制样方法研究

A Study on the Sample Preparation Method in Ferrosilicon XRF Determination

采用X射线荧光光谱仪测定钛矿，研究了利用混合熔剂系统制样方法，测定精度及制样精度。

With X ray fluorescence spectrograph to determine titanium mineral , the method to make specimen with mixed flux system , determination precision and specimen-making precision are researched .

ICP-MS中进样方法的综述

Review of sampling methods for ICP-MS

基于空白KBr压片的红外光谱制样方法

Sampling Technology for Infrared Spectroscopy Based on Pure KBr Discs

使用一种新的制样方法，获得了可用于观察锯齿形切屑内绝热剪切带及其附近区域的微细组织形貌的TEM薄膜试样。

The TEM film samples used to observe the microstructure of the adiabatic shear bands in the sawtooth chips are attained by a new sample preparation method .

ICP发射光谱法中粉末悬浮体进样方法的研究&Ⅰ.进样系统及影响因素

Study of powder suspension sample introduction technique for inductively coupled plasma-atomic emission spectrometry ⅰ . sample introduction system and factors affecting spectral intensities

本文研究了制样方法、试样划伤、表面污染以及试样厚度等因素对LDPE薄膜透光率和浊度的影响。

The effect factor of the preparation , wear , contaminate and thickness of specimen on the haze and transmittance of the LDPE film was studied .

利用ICP-AES法测定硅铝钡合金中主元素，通过对溶样方法、溶样时间、元素分析谱线和背景校正扣除的综合分析优化了测定条件。

ICP-AES was used for the determination of main elements in silicon-aluminium-barium alloy . Comprehensive study on method of sample dissolution time of relevant elements , background correction was made in detail .

并对Agrawal提出的单一尺寸矩形毛坯最优化排样方法进行扩展，构造出一种分支定界方法，用于解决长板最优分割问题。

A branch and bound method is constructed by extending Agrawal 's approach to solve this problem .

~3H-TdR淋巴细胞转化试验中制样方法的探讨ICP分析用的气溶胶性质及HW雾室分析性能的研究

Experiment of lymphocyte transformation with ~ 3H-TdR & A study of method of sample preparation AEROSOL PROPERTIES PRODUCED BY ICP SAMPLE INTRODUCTION SYSTEMS AND ANALYTICAL PERFORMANCE OF HW SPRAY CHAMBER

采用样方法取样，依据重要值指标运用双向指示种分析（TWINSPAN）法，将山西中条山中段植被群系分成16个群丛。

62 samples collected in Midpiece of Zhongtiao Mountains were classified into 16 associations by Two-way Indicator Species Analysis ( TWINSPAN ) .

研究了利用电感耦合等离子体发射光谱法（ICP－AES）测定铁矿、锰矿、水泥等矿产品中微量硫的溶样方法、工作条件的选择和结果的准确性。

Studied are the determining trace sulfur in iron , manganese ores and in cement by using spectroscopic method of inductance coupling plasma emission , the selection of work conditions and the accuracy of results .

采用样方法进行调查，每个样地面积为20m×20m。测度主要种群的生态位宽度、生态位相似比例、生态位重叠值。

In this paper the niche of the main tree populations in Pinus taiwanensis forest in Gutian Mountain National Nature Reserve were measured using the formulas of niche breadth , niche similarity and niche overlap by sampling method , every plot was 20 m × 20 m.

锰的测定中锰黄铜溶样方法

A Method for dissolving manganese - brass in determination of manganese

研究了制样方法；光谱条件等。

A series of sampling methods and spectrum conditions are studied .

金矿样品的几种溶样方法

Study on several methods of decomposition of ore sample containing gold

密闭微波溶样方法的进展

Progress of methods for sample digestion with microwave in closed container

熔融法在粗杂铜取制样方法中的应用

Application of melting method into copper blisters and scraps sample preparation

原子吸收光谱分析中溶样方法研究现况

Advances of Sample Dissolution Methods in Studying Atomic Absorption Spectrometry Analysis

等离子体原子光谱分析中溶液样品雾化进样方法的新进展

New Advances in Solution Sample Introduction Methods for Plasma Atomic Spectrometry

转炉补炉砂制样方法的研究

Study on method for sample preparation of repairing materials for BOF

固体废物取样、制样方法研究

Study on Method of Sampling and Sample Preparation of Solid Waste

蛋白质凝胶过滤色谱上样方法的改进

An improvement of sample application method in protein gel filtration chromatography