测定...的时间

Chapter 2 researches on spectral distribution of radiant flux in light resources, advises that it is satisfying and convenient in lighting engineering with applying radiance method in lighting lab, measuring by PR-650 chromo meter.

论文第三章进一步研究了视觉科学最新成果光生物效应的理论依据和测定方法，视觉功效法是研究中间视觉的有效研究方法，反应时间表征了中间视觉和光生物效应的总视觉效果和人眼真实的视觉功效。

In the experiment,ζ-potential of the two minerals were measured, and the effects of pH, concentration of oleic acid and flotation time on the purity and recovery of SiO2 were tested. Furthermore, the crystal structure, surface characters of quartz and clinochlore, and the solution chemistry of oleic acid as the anionic collector were analyzed.

实验中测定粉石英和斜绿泥石的ζ电位、pH值、油酸浓度、浮选时间对SiO2回收率和纯度的影响；分析粉石英、斜绿泥石的晶体结构和表面性质以及油酸作阴离子捕收剂时的溶液化学。

The final acidity of yogurt ferment by the two bacteria was 57.65 T and 54.43 T respectively.Because the -galactosidase produce by starter is a endoenzyme it must abstract after the cell wall broken. This experiment compare the different method of cell wall broken and research on the influence of temperature and time on condition of cell wall broken.

由于发酵剂菌种产生的糖代谢酶，β-半乳糖苷酶是胞内酶，通过对渗透压破壁和不同浓度的氯仿和甲苯两种有机溶剂破壁方法的比较，以及破壁所需温度和时间的研究，确定采用5％氯仿，45℃保温8～12h对菌体进行破壁，β-半乳糖苷酶的活力采用AOAC提出的标准进行测定。

To investigate the hydration of proteins in magnetized water, pure water was treated with a static magnetic field over different effective treatment time t(subscript eff. Viscosimetry and oxygen nuclear magnetic resonance (17O-NMR) spectra were recorded. The hydration properties of β-lactoglobulin in magnetized water were examined by differential scanning calorimetry and NMR.

为探讨蛋白质在磁化水中的水合作用，首先利用粘度测定及氧17核磁共振(17O-NMR)对经静磁场处理不同有效时间t(下标 eff后的纯水进行了分析，进一步又利用差示扫描热量计及NMR对溶解于磁化水的尽乳球蛋白的水合特性进行了分析。

The contents of protein, reducing sugar, total sugar and fat of mulberry leaf after leaf disinfection by bleach powder and Xiaotelin were determined. Effect of bleach powder and Xiaotelin on the orgainc nutrient of mulberry leaf was analysed. The results indicatd that the decomposition of organic nutrient were correlation with disinfection time and dose.

测定了经漂白粉和消特灵两种药物在不同时间、不同浓度进行消毒处理的桑叶内的蛋白质、还原糖、总糖、脂肪的含量，分析了漂白粉和消特灵在消毒过程中对桑叶内蛋白质、还原糖、总糖、脂肪含量的影响。

Acid concentration in hydrolysis, the temperature and the time were important factors influencing the measurement results of monosaccharide content.

葡聚糖的纯度一般由酸水解后的单糖含量表示，水解时酸的浓度、温度和时间是影响单糖含量测定结果的重要因素。

Researchers from Montpellier University in France travelled to Senegal, where they used questionnaires, photography and, bizarrely, body odour to determine how much time fathers invested in their children and how much of a family resemblance there was.

来自法国蒙彼利埃大学的研究人员在塞内加尔采用问卷、照片以及奇异的身体气味的方式来测定父亲们花多少时间与他们的孩子在一起以及存在多少家族相似性。

The results showed that the most important factors related to the accuracy were the recrystallized potassium persulfate and the sodium hydroxide.

通过试验发现，过硫酸钾、氢氧化钠的纯度是影响测定准确性的最重要因素，其中分析纯AR级的过硫酸钾(K2S2O8)经纯化处理可以降低空白值；消解时间的延长和消解温度增加对提高实验准确性的影响不显著。

The effects of different storage temperature(-5 ℃,-10 ℃,-15 ℃,-20 ℃,-25 ℃) and different package methods(uncover package,vacuum package,package full of nitrogen) on squilla were evaluated by sensory method and biochemical properties including total volatile basic nitrogenand K value.

鲜虾蛄包装条件分别为：充氮包装、抽真空包装和普通包装。在-25℃下冷冻8h，然后分别在-5、-10、-15、-20、-25℃等温度条件下贮存，并在不同的贮存时间对虾蛄的感官指标评价、K值和TVB-N值进行测定。结果表明虾蛄的K值与TVB-N值有较好的相关性。

To understand the mechanism of the luminescent enhancement for the nanocomposites,the measurements of steady fluorescence emission,fluorescence lifetime and spin-lattice relaxation time ( t 1) of the individual carbon atoms in MEH-PPV for the nanocomposite films were carried out.

结果激发态激子自淬灭的几率降低，稳态荧光量子产率提高和动态荧光寿命的延长；通过共轭碳原子的自旋-晶格弛豫时间的测定，观察了MMT对聚合物分子运动的影响，并由此探讨了MEH-PPV凝聚态与光物理性质的关系。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。