测定

In the present study, direct ammonium molybdate spectrophotometric method was used to measure the phosphate uptake of unicellular M. aeruginosa.

采用了直接显色法对单细胞铜绿微囊藻蓄积正磷酸盐的浓度进行测定，并与传统测定方法进行比较。

On the basis of many times of experiments, the interference of alkaline insoluble matters and silicon impurities on the determination of monatomic silicon was discussed, and the method for the removal of main impurity component in industrial silicon was proposed.

分析了样品中的碱不溶物及硅质杂质对单质硅测定的干扰，提出了排除工业硅中主要杂质成分游离二氧化硅干扰的测定方法。

He found that the interval of an octave is rooted in the ratio 2:1,that of the fifth in 32,that of the fourth in 4:3.and that of the whole tone in9:8.the phthagoreans applied these ratios to lengths of a string on an instrument called a canon,or monochord(a board with two bridges between which a string is stretched and a third bridge that divide the string in two parts);and thereby were able to determine mathematically the intonation of an entire musical system.

毕达哥拉斯将这些弦长比例应用于一种叫做卡农的乐器上，卡农也可以称之为单弦琴或者单弦音响测定器（是一个由两个码构成的木板，码子之间有一条被拉伸的琴弦，第三个码子位于琴弦两端的码子之间），因此能够用数学的方法测定整个音乐系统的音调。

All of particles complies with Gaussian distribution, meanwhile calculates particle numbers According to mass percentage, and selects parameter of particle and wall. The gradation of Bailey method about the maximum nominal particle diameter 16 mm is simulated by PFC2D, such as CA0.2, CA0.4, CA0.5, CA0.6, CA0.8. Determine moveability of asphalt mixture through rolling distance of accumulation particle it's when asphalt mixture is stable at the gravitation. Computer simulation result is identical to testing result.

首次采用PFC2D程序的线性接触刚度模型，选取颗粒和墙体参数，按设计质量的百分比换算成颗粒数量，按照高斯分布规律排列颗粒构成，对贝雷法设计的公称最大粒径为16mm的级配CA0.2、CA0.4、CA0.5、CA0.6、CA0.8进行堆积模拟，在重力作用下形成自然堆积，测定混合料基本稳定时的滚动距离来判断混合料的分离程度，得到结果与离析势能指数的测定结果完全一致。

breast cancer cell line MCF-7 were marked killed by trametes robiniphila murr in certain concentration. The IC50 of trametes robiniphila murr in three days to MCF-7 was about 0.05mg/ml. Its cell toxin were increased while the touched time was delayed or the concentration was advanced. Trametes robiniphila murr also can advance cell toxin of adriamycin and reverse resistance of MCF-7/Adr.

用MTT 法测定不同浓度的槐耳浸膏作用不同时间下对乳腺癌细胞系MCF-7 的杀伤作用，同时测定应用槐耳浸膏时对阿霉素的增敏作用和耐药逆转作用；结论：金克在一定范围内对乳腺癌细胞系具有明显的杀伤作用，其作用3 天时，IC50 在0.05mg/ml 左右，随着药物浓度升高和作用时间的延长其杀伤作用相应的增强，对阿霉素化疗具有增敏作用和逆转耐药作用。

For thesake of knowing mechanism of preparing nacreouspigment of mica titanium and adjusting pH with urea, we need to measure fast and exactly concentration of titanium to direct preparing top grade nacreous pigment of mica titanium.

为了更好地了解尿素中和法制备云母钛珠光颜料过程中钛水解的机理，指导高档次云母钛珠光颜料的制备，需要对该过程中钛的含量进行准确快速的测定，本文对过氧化氢分光光度法测定钛的方法进行了实验研究。

In the preparation of mica iron nacreous pigment with urea hydrolyze method, some factors such as pH, linear range, minimum limit of detection, response time and interfering material will affect this determination.

实验选用氨气敏电极测定溶液中的铵离子，考察了影响氨气敏电极在尿素中和法制备云母铁珠光颜料过程中测定铵的各种因素：pH值、线性范围、最低检出限、响应时间、干扰物质等。

This method is sensitive, rapid, and accurate. It can be used for the determination of arsenic in naphtha widely.

该方法灵敏度高，测定结果准确可靠，可广泛应用于石脑油样品中砷含量的测定。

The gasoline sample and water can be emulsified directly and nebulized in an ultrasonic nebulizer and the aerosol produced was introduced to flame.

用火焰原子吸收光谱法测定汽油中铅含量是由Robinson首先提出的，以异辛烷稀释汽油，用四乙基铅标准进行测定。

Analysis of K and Na in nepheline were curried out with higher precision and repeatability by means of adding fluohydric acid during sample melting to remove SiO2 ,adjusting the ratio of K and Na in the solution to reduce the mutual interference of the two elements, and adding cesium chloride to eliminate ionization interference.

摘要本方法用于测定霞石中的钾、钠，主要通过在溶样时加入氢氟酸除去二氧化矽，调整溶液中钾、钠的含量，消除互相之间的干扰，加入氯化铯消除电离因素的干扰，提高了分析结果的准确性和重现性，使测定结果更接近化学分析值。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新