测定体积的

Methods and systems are provided for determining whether a volume of biological sample is adequate to produce an accurate electrochemical analyte concentration measurement.

提供一种测定生物样品体积是否足以产生准确的电化学分析物浓度测定的方法和系统。

By using a vitrating digital densimeter (DMA602/60), the densities of glycine and alanine in aqueous methanol, ethanol and propanol solutions were measured at 298.15 K, and the apparent molar volumes calculated. According to McMillan-Mayer approach, the volumetric interaction coefficients were evaluated.

用DMA602/60型震动管数字密度计测定了298.15 K下甘氨酸、丙氨酸分别在纯水和四个不同浓度甲醇、乙醇和丙醇水溶液中的密度，计算了相应的表观摩尔体积，用最小二乘法拟合了氨基酸在醇水溶液中的标准偏摩尔体积。

An efficient method for analyzing Arbutin and Hydroquinone in cosmetics by reversed-phase high performance liquid chromatography is developed.

探讨了高效液相色谱法同时测定美白化妆品中熊果苷和氢醌含量的方法，先对样品进行预处理，处理液为氯仿-饱和氯化钠溶液(体积比2∶1)，再选用Apollo C18柱，以甲醇-磷酸缓冲液-冰醋酸(体积比25∶475∶1)混合液为流动相，紫外检测，波长为254nm。

The patients with bisectional prostate hypertrophy (BHP, 415 cases) and prostate cancer (PCa, 225 cases) were diagnosed by pathobiology, and whose levels of PSA, and fPSA were examined in serums by ELISA.

病理诊断为415例良性前列腺增生和225例前列腺癌，利用酶联免疫法测定患者血清中的PSA、游离PSA，利用经直肠超声测定前列腺体积，并计算出f/tPSA及PSAD进行统计学分析。

The growth inhibiting rate of T24 cell lines were detected by MTT methods, apoptosis of cells were detected by flow cytometry, the mechanism of apoptosis was analyzed by detecting the protein expression of Bcl-2, Bax, Caspase-9, Caspase-3 and cytoplastic protein Cytochrome C. 4 We injected live T24 cells into the subcutaneous space of nude mice and successfully built up the animal model of bladder carcinoma. The effect of CS-PAA-EPI polymer magnetic microspheres targeting chemotherapy was investigated by HE staining, TUNEL ,tumor weight and volume inhibition rate. Results: 1 TEM revealed that the CS-PAA polymer magnetic microspheres were regular spherical shape,the average diameter was 80nm in dry condition. By controlling the pH value of the medium,polymers had positive or negative zeta potential. VSM showed the CS-PAA polymer magnetic microspheres had superparamagnetic. The diameter of CS-PAA-EPI polymer magnetic microspheres were 200nm in solution by DLS examining,the embedding ratio was 20%,the EPI loading rate was 15%, which was higer than reported in other articles. 2 Raw eye observation found that the rat"s bladder of treatment group was brown color,which meaned the aggregation of iron particles, compared with the control group, iron stain found iron particles were assembled in rat"s bladder of the treatment group, the amount of iron particles in liver and spleen were less obviously.

研究结果：1合成的CS-PAA磁性聚合物微球呈球形，大小均一，TEM测定其干态下粒径为80nm左右，磁化曲线证实具有超顺磁性，具有一定的PH敏感性，固载表柔比星后，水溶液性状稳定，无沉淀物，DLS测定直径约200nm左右，测定载药率为15％，较文献报道高，包封率为20％。2肉眼观察试验组大鼠膀胱表面呈褐色，可见大量的Fe粒子聚集，普鲁士兰染色法显示，试验组大鼠膀胱壁内有大量的Fe粒子，分布至膀胱壁全层，与对照组大鼠相比，试验组大鼠的肝、脾内的Fe粒子聚集量明显降低；HPLC测定结果与Fe染色相同；高剂量磁性CS-PAA-EPI生理盐水组及单纯EPI生理盐水组均在给药后14天出现血肌酐和尿素氮的升高，其他组大鼠血生化指标没有明显变化。3MTT法发现，高、中、低剂量磁性CS-PAA-EPI生理盐水组在外加磁场的协同作用下杀伤T24细胞效应明显高于单纯的EPI生理盐水组，FCM发现试验药物组可引起明显的肿瘤细胞凋亡，试验药物治疗组细胞胞浆内出现了由线粒体释放出的细胞色素C，试验组细胞Bcl-2蛋白减少，Bax蛋白变化不明显，Caspase-3、Caspase-9蛋白受到了激活活化。4高、中、低剂量磁性CS-PAA-EPI生理盐水组的瘤重抑制率和瘤体积抑制率均明显高于单纯的EPI生理盐水组(P＜0.01)，其中高剂量组的抑制率最高。

Physiological indexes of drought-resistance, namely the four water parameters of osmotic potential at the turgor loss pointπ(subscript p, water potential at the water saturation point (π0), bulk modulus of elasticity, and the rate of bound water in cells V(subscript p/V0, for the three fire resistant trees, Schima superba, Cyclobalanopsis glauca, and Elaeocarpus glabripetalus, were studied using the pressure-volume technique.

应用压力－容积分析技术测定了木荷Schima superba，秃瓣杜英Elaeocarpus galbripetalus和青冈Cyclobalanopsis glauca等3个防火树种春季、夏季和秋季的水分特征参数，即初始质壁分离点渗透势π，饱和含水量时的最大渗透势π0，细胞弹性模数ξ，细胞质壁分离时的共质体水体积量与饱和时共质体水体积量之比V/V0。

Of conclusion leukaemia patient outside configuration of week blood white blood cell and structural change can pass VCS parameter to determine mensurably, if partial parameter is neuter distributinging breadth of bead cell volume, lymphocyte is average bulk is leukaemia the sieve is checked, diagnosed new index.

结论白血病患者的外周血白细胞形态和结构变化可以通过VCS参数定量地测定，部分参数如中性粒细胞体积分布宽度、淋巴细胞平均体积是白血病筛查、诊断的新指标。

Study on adsorption in porous media of reservoir is very important for phase equilibrium calculation of condensate gas and the right way of insight at the gas or condensate gas reservoir.In this paper,experiments for measuring absolute adsorption of N2, CO2 and natural gas on 8 different artificial cores using an accurate porosimeter and an precise chromatographic instrument under room temperature (283～292°K) and low pressure (0.167～0.3MPa) have been studied.From these experiments,the following results can be obtained:i.

利用高精度孔隙度测定仪和气相色谱分析仪，采用恒体积法，测定了室温(283～292K)、低压(0.167～0.3MPa)下N2、CO2和天然气在8个不同的岩心孔隙内表面的吸附量，对于天然气，还测定了吸附前后自由气体的摩尔组成，被吸附气体的摩尔组成和天然气各组分的相对吸附量。

Methods:Using 10% OP and 10% TWEEN-20 as increasing dissoluble agents, andPAN as developing dye,the absorption of the complex compound of cadmium was measured at 555 nm. The content of the tracecadmium in water sample was determined.

分别以体积分数为10％OP和体积分数为10％吐温-20为增溶剂，以PAN1-(2-吡啶偶氮-2-萘酚为显色剂，在555nm波长处测定水中镉络合物的吸光度。

Methods Mean corpuscular volume in peripheral blood and mean corpuscular volume of urine erythrocyte of 124 patients with glomerular or nonglomerular hematuria were detected by Culter J T2IR whole blood analyzer.

采用Coulter J T2IR 全血细胞分析仪测定53 例各种类型肾小球性疾病和71 例非肾小球性疾病病人的外周血红细胞平均体积和尿中红细胞平均体积，以16 fL 为界值判定血尿来源。

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。