查询词典 spectrum analysis

By means of X-ray powder diffraction and infrared spectrum analysis, it is proved thatthe main mineral composition of Luan Chuan nephrite is tremolite, and its every parameterswere very close to those of standard tremolite.

运用 X 射线粉晶衍射和红外光谱对栾川的蛇纹石玉进行了分析，分析显示该地蛇纹石玉由较为纯净的叶蛇纹石组成。

In this paper, we use spectrum analysis method to measure the length of the real estate cycle in China, analyze the rule of the real estate cycle, and propose many policies and strategies to adapt cyclic undulation of the real estate.

本文运用谱分析方法比较准确的测定我国房地产周期的长度，分析了我国的房地产周期的规律性，提出了适应房地产周期波动的政策和策略。

Then peroxidase isoenzyme spectrum analysis of five strains of Aleurites fordii.

标题 五个三年桐品种过氧化物酶同功酶的酶谱分析。

Then peroxidase isoenzyme spectrum analysis of five strains of Aleurites fordii.

五个三年桐品种过氧化物酶同功酶的酶谱分析。

The author analyzed total oxygen content, nitrogen content in steel made by typical process and the inclusion composition, change rule, morphology and distribution qualitatively and quantitatively by image analyzer, big sample electrolysis, SEM and energy spectrum analysis. The results showed that final inclusion form was small granule MnS, calcium aluminate, a small quantity of silicate and lumpy Al2O3. By intensifying deoxidation alloying process control in converter, argon blowing and slagging control and desulphuration and calcium reduction operation in refining course and overall-protection casting, the oxygen content was reduced by 20% above averagely, nitrogen content was reduced by about 10% and the inclusion content was reduced by 30%.

通过全O、N分析，夹杂物图像分析仪、大样电解、扫描电镜及能谱分析，定性和定量分析了典型工艺钢种钢中全O、N含量和工序过程夹杂物的构成、变化规律及形态、分布，分析钢中最终夹杂物表现形式主要为小颗粒的MnS、铝酸钙、少量的硅酸盐和块状Al2O3，通过强化转炉脱氧合金化工艺控制、精炼过程吹氩与造渣控制及脱硫和钙处理操作、全程保护浇注，钢水中O含量平均降低20％以上，N含量降低10％左右，铸坯中夹杂物含量降低了30％。

In the presence of sodium as catalyst, the ester exchange reaction between methyl dimethoxy acetate and cephalotaxine produced cephalotaxine dimethoxy acetate, which was then hydrolyzed in dilute hydrochloric acid. Spectrum analysis showed one of hydrolytic products was cephalotaxinone.

本文报导己二甲氧基乙酸甲酮和三尖杉碱在金属钠催化下，直接进行酯交换反应生成二甲氧基乙酸三尖杉酯，后者在稀盐酸中水解，水解产物之一经光谱分析碳定为三尖杉酮碱。

Wherein, it comprises faujasite at 1-95%, fusion-resistant oxide at 1-90%, and active metal as 0.05-60%; the mol ratio as SiO2/Al2O3 of faujasite is 6-20, the zeolite XRD spectrum analysis proves it is Y-type zeolite, whose particles have sheet shape.

催化剂中含八面沸石1％-95％，耐熔氧化物1％-90％，活性金属组分0.05％―60％。其中八面沸石的SiO2/Al2O3摩尔比为6―20，沸石XRD光谱分析属于八面沸石中的Y型沸石，晶体颗粒形貌具有片状形貌。

Infrared spectrum analysis revealed that S6 produced glucolipid in the process of metabolism.

红外光谱分析得知S6在代谢过程中能够产生糖脂类表面活性物质。

This article described the procedure and results of vibration test and spectrum analysis taking the portal Grane 2×50t as an example.

本文以2×50吨门式起重机为例，介绍振动测试与频谱分析的方法及结果。

The electrochemical adsorption behavior and mechanism of diethyl dithiocarbamate on the surface of marmatite, which are different from the mixed potential model of flotation electrochemistry, were studied by spectrum analysis, CA voltammetry and constant potential step.

采用光谱分析、循环伏安及恒电位阶跃法，研究了乙硫氮在铁闪锌矿表面吸附的电化学行为及机理，该机理与浮选电化学的混合电位模型并不一致。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。