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Make use of HPLC, can availably classify true or false D-calcium pantothenate, the D-calcium pantothenate sample diagram and standard diagram have similar diagram in same reservation time, the content meets provision;The false D is mainly depend on adding calcium inorganic salt, urea and glucose etc, to make specific optical rotation, calcium content, nitrogen content to attain a nation standard, but these material in the same reserve time have never absorbed diagram to make peak area very small, the content of external standard be low.

本文以市售D-泛酸钙为样品(山东新发药业有限公司生产),对所建立的检测方法进行了验证,通过精密度、准确度和标准曲线等验证项目的实验,结果表明,本文所建立的D-泛酸钙的高效液相色谱检测方法可以准确地检测产品的含量;利用液相色谱图谱,可以有效地区分真假D-泛酸钙,D-泛酸钙样品图谱与标准品图谱在相同的保留时间处,有类似谱图,含量符合规定;搀假的泛酸钙主要靠添加无机钙盐、尿素和葡萄糖等使比旋度、钙含量、氮含量达到国家标准,但这些物质在此处无谱图造成峰面积很小,外标含量低。

Her concern is that this precedent of a set, after tax and other tax policies will be introduced with, in particular the operation of the food shop more worried about health, quality supervision departments will follow the policy so that the shop operating costs than Now increased to 10 percent, its biggest advantage - the low price will no longer exist.

她担心的是,这个先例一开,之后个税等税收政策也会跟着出台,尤其是经营食品的网店更担心卫生、质监等部门的政策也会接踵而来,这样,网店经营成本比现在要上升10%,其最大优势--低价也就荡然无存了。

However, the CMOS image sensors can provide stronger anti-radiation capacity than CCD as well as Single Chip Integrating with image sensors array, drive and control circuit, signal processing circuit, A/D conversion circuit and Completely Digital Interface Circuit. The CMOS image sensors also possess high quantum efficiency, wide spectral response, good response uniformity, low supply voltage and low request of clock. At the same time, the small bulk, high reliability, low power consumption and low cost are the prominent advantages of the CMOS image sensors too, thus CMOS image sensor has more exploiture foreground in X-ray real-time radioscopy imaging system.

由于CMOS 图像传感器比CCD 具有更强的抗辐射能力,还具有将图像传感器阵列、驱动和控制电路、信号处理电路、模数转换电路、全数字接口电路等实现单片集成以及量子效率高、光谱响应宽、响应均匀性好、工作电压低、对时钟脉冲要求低、体积小、重量轻、功耗低、高可靠、低成本等优点,因此在X 射线实时检测中更具有开发前景。

The effects of molar ratio of linoleic acid and ethanol, temperature , and amount of ionic liquid on esterification reaction were studied and the optimal reaction conditions were obtained, that is, n :n = 4:1 , at refluence temperature, with the amount of ionic liquid equaling 42wt.

研究了环境友好的BF4离子液体催化亚油酸等高碳脂肪酸与无水乙醇酯化反应,考察了亚油酸与乙醇的摩尔比、反应温度、离子液体用量等条件对亚油酸酯化反应结果的影响,优化了反应的工艺条件。

Zhuang thoughts, the social politics, economy, the aesthetics of Chu Sao and literature of Han dynasty, points out that under the common function of these reasons, the trend of aesthetics thought of an awakening of individual consciousness appears, secondly, analyzes the characteristics of the trend of aesthetics thought from several aspects, like the reviviscence of Lao,Zhuang thought, the emergence of sentimentalism and the permeation of the aesthetics consciousnesses to the human life etc, thirdly, discusses the relationship between "the Nineteen Ancient poems "and the trend of aesthetics thought.

第三部分对《古诗十九首》自然美、含蓄美、悲凉美、浑雅美等美学特色进行系统分析,并指出:第一,《古诗十九首》自然之美表现在深衷浅貌、自然精切的语言和情感的真挚自然上;第二,《古诗十九首》的含蓄美表现在表情达意说理、用典、比兴以及曲终奏雅,意在言外等方面。

On the other hand, whether traditional or modern wood doors wood composite doors are obviously high, medium and low classification, the low flows, such as Korean pine, pine, oak trees all belong to the relatively low use of wood doors, the high-grade wood, walnut, Cherry, sand Billy.

另一方面,无论是传统实木木门还是现代实木复合木门,都有明显的高、中、低档的划分,低档的实木,如红松、杉木、柞木等均属于比较低档的木门用材,高档的实木,有胡桃、樱桃、沙比利等。

Various designs have the common teak, the black walnut, the red cherry, the sand billy, the oak and so on several varieties, a gate set of fittings, causes the construction great convenience, adapts now the green environmental protection request, is the work, the market, the hospital, the leisure fitness and so on public place and the life home ideal uses the gate.

各款式均有柚木、黑胡桃、红樱桃、沙比利、橡木等十几个品种,门套配装,使得施工极为方便,更适应当今绿色环保的要求,是办公、商场、医院、休闲健身等公共场所及生活居家的理想用门。

Various designs have the common teak, the black walnut, the red cherry, the sand billy, the oak and so on several varieties, a gate set of fittings, causes the construction great convenience, adapts now the green environmental protectio

各款式均有柚木、黑胡桃、红樱桃、沙比利、橡木等十几个品种,门套配装,使得施工极为方便,更适应当今绿色环保的要求,是办公、商场、医院、休闲健身等公共场所及生活居家的理想用门。

They include the variation of the degradement velocity of different sample, the inhibition product of PCR, the amount of DNA extraction, quality of DNA and the heteroplasmy of some tissue. Correct sequencing, comparison of the result of forward and reverse primers sequencing should be done to rule out wrong signals, and prevent contamination. In addition to gene sequencing, low grade heteroplasmy could be dealt by Denaturing high performance liquid chromatography. Multiplex Ligation-dependent Probe Amplification. The analysis of mitochondrial HV Ⅰ, HV Ⅱ sequencing is able to identify the maternal sanguinity, then it could assist in the human identification. It also complements the genomic STR system in distribution of population, the origin of human, and analysis for fossil.

分析粒线体DNA时必须考虑各类检体腐败DNA降解速度之不同、PCR的抑制物质、DNA的萃取量及品质、特定组织的异质现象、萤光序列分析图及正、反向引子定序结果比对、排除杂讯干扰、防治污染等,除以基因定序外,低程度的异质现象也可用Denaturing high performance liquid chromatography、Multiplex Ligation-dependent Probe Amplification等方法分析,粒线体HV Ⅰ、HV Ⅱ碱基序列的分析可鉴别一个人的母系血缘关系、辅助人类身分鉴定,对於族群分布、人类起源探讨、远古检体的分析可作为辅助STR系统的利器。

Chemical analysis showed that the fresh basalts and corestones slightly changed in composition except that variations in Fe(superscript 2+) to Fe(superscript 3+) are most noticeable. In the course of corestones changing to saprolite elements of Si, Ca, Na and Mg, the ratio of SiO2/Al2O3 decreased gradually, while the elements of Fe, Al and the values of LOI and CIA significantly increased.

化学全分析结果表明新鲜玄武岩与核心石在除Fe外,其它组分无明显的改变;核心石在转变为腐岩过程中Si、Ca、Na、Mg等元素逐渐流失,Fe、Al等逐渐富集,同时烧失量LOI和化学蚀变指数CIA显著增加,硅铝比逐渐减少。

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歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车,和一双合并为一移交&整个lotta爱&。

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