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The effects of IBA, NAA, S3307, VB1, and cane sugar on cutting propagation of tender branch for golden leaf amur ninebark were discussed in this paper by treating branches with different concentration and mixed solution with IBA, NAA, S3307, VB1 and cane sugar.

试验以金叶风箱果为试材,采用IBA、NAA、S3307、维生素B1,以及蔗糖等化学物质,以不同的浓度及混合使用等处理,进行扦插生根试验。

PFOS induced thyroid follicle cell hyperplasia, the depletion of colloid and even vacuolation with dose-effect relationships after 6 months exposure. Malformations of gonad with intersex, pearling and segmental aplasia were found in all treatment groups. The gonad with intersex showed a testis tissue with a female ovarian cavity like structure.

6个月后,PFOS组甲状腺出现滤泡上皮细胞增生、胶质减少甚至空泡化等现象,且随着PFOS浓度的增加而加重;各组幼蛙性腺出现间性、睾丸珍珠状和先天性萎缩等畸形现象,外观为间性的性腺主要表现为睾丸组织中产生类似雌性个体的卵巢腔。

They avoid heavy salt loads through a combination of selective accumulation of ions, ion compartmentalization, salt excretion and salt exclusion, accumulation or synthesis compatible solutes which are mainly pinitol and mannitol for maintaining osmotic balance, and promotion of antioxidative to scavenge reactive oxygen species.

红树植物具有盐腺、叶片肉质化等形态特征,通过离子选择性积累、盐分区域化、泌盐和拒盐等机制降低体内的盐分浓度,积累或合成渗透调节物质来维持渗透平衡,增强抗氧化系统以清除活性氧。

Different factors such as retention time ,electrolytic voltage,primary concentration of wastewater,temperature and pH value are discussed.

探讨了电解法预处理医药废水时停留时间、电解电压、废水初始浓度、温度和废水pH值等影响因子对去除色度、COD和提高废水可生化性等处理效果的影响,并考察了其应用于工业实际废水处理的可行性。

Customs of food and life were asked with same questionary.

测定工人血压、身高体重等,用统一的调查表询问饮食习惯、生活习惯等项目,并测定作业环境中苯、甲苯、二甲苯的浓度,对所得数据进行单因素方差分析和多元逐步回归分析。

A new method for estimating parameters is proposed due to the characteristics of artificial fish school algorithm such as overcoming the local optimal value and robustness. Firstly, the parameters of production function are constructed into the artificial fish and residual sum of squares is designed into the function of food consistence, secondly, the parameters of production function are estimated by the random behavior, preying behavior, swarming behavior and following behavior.

基于人工鱼群算法能够克服局部极值、鲁棒性强等特点,给出了一种生产函数中参数估计的通用新方法,该方法首先将生产函数模型中的参数构造成人工鱼模型,利用残差平方和设计食物浓度函数,然后通过人工鱼的随机、觅食、聚群、追尾等行为,对生产函数中的参数进行估计。

The influences of temperature,scan rate and nitromethane concentration on the electrochemical characteristics of nitromethane were also discussed.

以铂微盘电极为工作电极,采用循环伏安等测试方法研究了硝基甲烷在离子液体1-正丁基-3-甲基咪唑六氟磷酸盐(BMImPF6)中的电化学行为,讨论了温度、扫描速度以及底物浓度等因素对其电化学行为的影响。

Using different concentrations of PEG solution simulated drought stress, measured PB86, PR107, RRIM600 and GT1 rubber tree seedling leaves relative water content, the relative conductivity, malondialdehyde, soluble sugar content, superoxide dismutase, 8 physiological indicators, and their changes in the law, and using principal component analysis, membership function analysis, correlation analysis grey mathematical statistical methods, such as the evaluation of four strains of rubber tree seedlings and with the drought resistance the relevance of indicators; at the same time analysing the use of hypertonic solution screening rubber tree seeds and the drought resistance of different rootstocks on 7-33-97 budding seedlings of the impact of drought that rubber tree planting material and rootstocks drought assessment, and provide a theoretical basis choice.

利用不同浓度的PEG溶液模拟干旱胁迫,测定了PB86、PR107、RRIM600和GT1橡胶树实生苗叶片相对含水量、相对电导率、丙二醛、可溶性糖含量、超氧化物歧化酶等8项生理指标,研究了它们的变化规律,并利用主成分分析、隶属函数分析、灰色关联分析等数理统计方法评价了4个品系橡胶树实生苗的抗旱性及其与各指标的相关性;同时分析了利用高渗溶液筛选的橡胶树种子的抗旱性以及不同砧木对热研7-33-97芽接苗抗旱性的影响,以为橡胶树抗旱砧木和种植材料的评价、选择提供理论依据。

Surface tensions and interfacial tensions were measured by the method of stationary rings, and the critical micelle concentrations were measured by the methods of conductance and surface tension.

运用红外光谱和核磁共振等手段对所得表面活性剂的结构进行了表征,并对其表面张力、界面张力及其临界胶束浓度等性能进行了定量测定;结果表明,所得阳离子型含氟表面活性剂具有极低的表面张力:17.8、22.9、23.8、21.5、25。

The effect of flow rates, initial concentrations, resin bed heights, its height/ diameter ratios and temperature on breakthrough curves of sulfuric acid/2-naphthalenesulphonic acid, 2-naphthalenesulphonic acid/sulfurous acid and sulfuric acid/ 2-naphthalenesulphonic acid/sulfurous acid systems was investigated. Excellent agreement was obtained between experimental data and the suggested breakthrough data model, with which the breakthrough curves can be accurately predicted for multi-component adsorptive separation in resin bed, the experiment of adsorptive separation may be scaled up, and the plant may be designed.

考察了流速,初始浓度,床层高度,床层高径比,温度等因素对硫酸-2-萘磺酸,2-萘磺酸-亚硫酸和硫酸-2-萘磺酸-亚硫酸等混合体系穿透曲线的影响,所建立的穿透曲线模型与实验结果拟合较好,模型可较准确预测多组分吸附分离的穿透曲线,可用于指导吸附分离实验的放大以及装置的设计。

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