比及

Effects of solvent species, ethanol concentration, microwave power, extraction time, ratio of material to liquid and ultrasound wave on extraction rate of gingerol were investigated through single factor and orthogonal test.

以生姜粉为材料，通过单因素和正交试验探讨超声波－微波协同萃取姜辣素的工艺条件中溶剂种类、乙醇浓度、微波功率、微波处理时间、料液比及超声波等因素对萃取效果的影响。

A genetic epidemiologic case-control study with 297 pedigrees (79 genealogies and 198 controls) was carried out to estimate the segregation ratio and hereditability (h2 ) of gastric cancer by the methods of Li-Mantel-Gart and Falconer.

通过遗传流行病学病例对照研究，对泰兴市297个家系(先证家系79个，对照家系198个)，应用Li-Manel和Falconer方法进行了分离比及遗传度的估算。

At last,this paper analyzed the influence of the inversive receiver to the chracteristic of the clutter and the ratio of signal power and the noise power ,discussed the effective detection of target signal in correlated clutter,and then put forward a new method naming multi-periods shift accumulation for detecting moving target when not knowing the exact movement parameter.

最后，本文分析了倒置接收对目标回波信噪比及杂波特性的影响，讨论了在相关杂波区对回波信号有效检测的方法。针对如何在弹目相对运动参数未知的条件下对高速运动目标进行积累检测这一问题，提出了一种多周期移位积累的新方法。

Using FFAP quartz glass capillary columm and adopting adequate carrier pressure and process,a gas chromatographic method was performed for the determination of fatty acids in the epiphyte s from the soil near the Yun-Gui altiplano jokul.

选用固定液为FFAP的石英玻璃毛细管柱，设置合适的载气柱前压、分流比及程序升温，采用气相色谱法测定了采自云贵高原雪山、雪线附近土壤中的真菌的脂肪酸组成。

OBJECTIVE To study the specific absorptivity and the formation ratio of ampicillinum natricum and p nitrophenol charge transfer compound.

目的 研究氨苄西林钠与对硝基苯酚形成电荷转移化合物的表观百分吸收系数、形成比及不经分离测定注射用氨氯青霉素钠中氨苄西林钠的含量的方法。

Coefficient of permeability is one of the main parameters that affect the embedment of the phreatic line or the stability of the tailings dam.

分别对取自尾矿坝区的4种尾矿料进行颗粒分析试验、原状土与重塑土渗透试验、尾矿浆水渗透试验，分析了颗粒级配、孔隙比及时间对尾矿料渗透系数的影响。

Result:4 items of observation indices,including uniformity of tumor density,enhanced mode of tumor,nidus prominency proportion and cortex raise feature have statistic meaning on differentiation of atypical RAML and RCC.

结果：肿瘤密度的均匀性，肿瘤的强化模式，病灶突出比及皮质掀起征4项观察指标对不典型RAML与RCC的鉴别有统计学意义。

METHODSUsing orthogonal design, total flavonoids in extract was as evaluation index, and ethanol concentration, extraction time, ratio of material to solvent and extration frequency were as inspecting factors to screened the optimum extraction technique, and total flavonoids content in extract was detected by spectrophotography.

方法］采用正交设计法以提取物中总黄酮含量为评价指标，以乙醇浓度、提取时间、固液比及提取次数为考察因素，筛选翻白草的最佳提取工艺。应用分光光度仪测定提取物中总黄酮的含量。

METHODSUsing orthogonal design, total flavonoids in extract was as evaluation index, and ethanol concentration, extraction time, ratio of material to solvent and extration frequency were as inspecting factors to screened the optimum extraction technique, and total flavonoids content in extract was detected by spectrophotography.

［目的］探讨翻白草中总黄酮的最佳提取工艺。［方法］采用正交设计法以提取物中总黄酮含量为评价指标，以乙醇浓度、提取时间、固液比及提取次数为考察因素，筛选翻白草的最佳提取工艺。

In this paper, the orthogonal experimental analysis method is used to study on the effects of molar ratio of the unsaturated vinyl monomers, with carboxylic groups or sulphonic groups or polyoxyethylene side chain groups,etc., and the effects of the mean degree of polymerization in PEO side chains.

根据聚羧酸系高效减水剂的结构特点，采用正交试验分析法，分别研究了带羧基、磺酸基、聚氧化乙烯链酯基等活性基团的不饱和单体的物质的量之比及聚氧化乙烯链的聚合度等因素对聚羧酸系减水剂性能的影响，从而得出合成聚羧酸系高性能减水剂的一种最佳配方，并对试制产品进行了性能试验。

Plunder melds and run with this jewel!

掠夺melds和运行与此宝石！

My dream is to be a crazy growing tree and extend at the edge between the city and the forest.

此刻，也许正是在通往天国的路上，我体验着这白色的晕旋。