查询词典 sample method

The results show that this method is reliable and can be used in designing a standard procedure of sample pretreatments for complicated testing system.

本文所提出的优化方法简单可靠，可用于复杂样本体系标准样品预处理方法的建立。

In order to further predict the durability of the TS-1 catalyst in the severe condition of calcination regeneration, a catalytic deactivation method was employed to facilitate the obtaining of deactivated catalyst from the regenerated sample, and thus the conduct of repetitious regenerations.

研究了负载成&蛋壳型&的TS-1催化剂在丙烯环氧化的单管放大试验装置上连续运转1 200 h失活后的焙烧法再生条件，并结合催速失活，对该催化剂进行了多次焙烧再生研究。

In conclusion, the sample which produced by the first modification method of treatment was in pH value of 4-10, chromium ion density of 10mg/L-100mg/L, absorb temperature of 20 degree Centigrade - 35 degree Centigrade, the surplus of green vitriol is 50% 's operation conditions according to chemistry measure, and the chromium ion has high and steady 's rate of wipe off, all can be more than 99%.

研究表明，改性灰Ⅰ在pH值4～10，六价铬离子浓度10mg/L～100mg/L，吸附温度20℃～35℃，按化学计量比硫酸亚铁余量50％的操作条件下，铬离子有较高且稳定的去除率，达到99％以上。

The 29 F globular clusters in the galaxy are selected as samples in my paper (The space distribution and motional orbits of the samples have not been researched in detail before.).According to the basic parameters: azimuth coordinates, distances from the sun, radial velocities and proper motions of sample clusters, the initial positions and velocities of the samples are reduced using the galactic coordinates, and their orbits are integrated by numerical method for three different galactic gravitational potential models.

本文选用银河系中29个累积光谱型为F型的球状星团作为样本(这些样本星团的空间分布和运动特征都没有被详细地讨论过)，根据它们的基本资料：方位坐标、日心距、视向速度，绝对自行等参数，归算处理得出了各样本星团的空间分布和运动速度。

In this paper,taking defatted silkworm chrysalis as raw material and using microscopic analysis technology of electronics and optics,we observed the change of structure of the sample which was soaked in hydro- chloric acid solution and sodium hydroxide solution,and ascertained the alkaline approach as the method of sepa- rating proteins and the chitin s.

以脱脂蛹为原料，采用电子光学显微分析技术，观察酸、碱浸泡样组织结构变化，确定了碱法为蛋白质与甲壳素的分离方法。

objectiveto determine the content of five trace metal elements in black nightshade herb.methodsthe sample was digested with microwave digestion system,and rate determined by flame atomic absorption spectrometry;resultsthe method is simple,rapid and accurate.the recovery was 98.75%～102.50%, and rsd was 0.1297%～1.2177%.conclusionthe contents of ca, mn, fe in the black nightshade herb are abundant.

目的测定中草药龙葵中fe，cu，zn，mn，ca的含量。方法样品经微波消解，采用火焰原子吸收法测定fe，cu，zn，mn，ca的含量。结果该方法快速、简便、准确，5种金属的回收率为98.75%～102.50%，rsd为0.129 7%～1.217 7%。结论龙葵中ca，mn，fe元素含量较高。

First, contrasts five kind decolorization method of vegetables samples, we know "Erlenmeyer flask activated charcoal adsorption" is good to vegetables sample decolorization, moreover the nitrate returns-ratio is high.

首先，对比研究了蔬菜样品的五种脱色方法，结果表明三角烧瓶活性炭吸附法对蔬菜样品脱色效果较好，硝酸盐回收率高，为本项研究采用的脱色方法。

For the sample with chloride less than 0.02 %, the standard addition method was used. The measured Nernst slope was employed to calculate the content of chloride ion.

对于氯含量低于0.02%的样品，采用标准加入法，并随同实验做实测能斯特斜率值，计算氯含量。

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。