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The results showed that both two autotoxic substances exhibited allelopathic promotion at low concentration and allelopathic inhibition at high concentration on pepper seed germination and seedling growth.

结果表明：这两种自毒物质对辣椒种子萌发和幼苗生长具有低浓度促进，高浓度抑制的化感效应。

The effect of guanidine hydrochloride concentration on the oxidative refolding of denatured-reduced lysozyme of high concentration in the presence of artificial chaperone , that is, cetyl trimethyl ammonium bromide and β-cyclodextrin,was studied.

研究了表面活性剂十六烷基三甲基溴化铵加β-环糊精和盐酸胍对高浓度变性-还原溶菌酶氧化复性的影响，利用基于二态复性模型的表观动力学模型分析了溶菌酶的复性过程。

The foam properties of four kinds of cleavable s-triazine fatty sulfonate surfactants with different length of alkyl chains were studied by improved Ross-Miles method. The effects of mass concentration, temperature and calcium ion concentration on their foam properties were discussed.

采用改进的Ross-Miles法研究了4种不同烷基链长的可断键均三嚓脂肪磺酸盐表面活性剂(OSEAT、DSEAT、TSEAT、HSEAT)的泡沫性能，考察了质量浓度、温度、Ca(上标 2+)浓度对它们泡沫性能的影响。

Root-derived organic carbon is composed of three compartments: root detritus, root eaudates and root symbionts, which represents a large important and potential C sink in forest ecosystems, The known responses of root derived organic carbon and heterotrophic microbes to elevated CO2 were reviewed. Overall, increases in root biomass, productivity, and exudation indicate an augmentation of C inputs into the soil via roots, although changes in root lifespan are still unclear and may modify this flux positively or negatively, Altogether, changes in root chemistry and morphology that may augment soil C storage under elevated CO2 include decreased N concentration and wider root diameter, Alternately, a shift in rooting depth upwards in the soil profile may increase average turnover rates of root detritus. Effects of CO2 concentration on C qualities of root exudates and root symbionts are the least understood components discussed here, Changes of soil heterotropic microbial activity and community under elevated CO2 still remained large uncertainties.

林木根源有机C包括根东通过根枯落物、根系分泌物和根共生菌周转3条途径向土壤输入的有机C，它是森林生态系统中一个重要的、潜在的C汇，综述了根源有机C与其微生物对CO2浓度升高的响应，虽然对根系寿命的变化尚不清楚，但CO2浓度升高将导致根系生物量、生产量、死亡量和分泌物的增加；同时，CO2升高亦促使根共生菌生物量的增加而增加了共生菌的C归还潜力，表明CO2升高使根源有机C的输入增加了，CO2农度升高情况下，根系化学性质和形态特征的这些变化均有利于增加土壤C的吸存；而根分布深度的降低则对土壤C吸存不利；CO2浓度升高对根分泌物和根共生菌质量的影响研究则极少，CO2浓度升高下土壤微生物活性和群落组成的变化存在较大的不确定性，目前CO2浓度升高下林木根源有机C对森林长期C吸存的贡献仍很不清楚。

For rivers with lower concentration of suspended sediment, effect of concentration on settling velocity is inapparent.

对于含沙浓度较低的河流，浓度对沉速的影响不显著。

Taking sludge dewatering filtrate as research object,the impacts of stoichiometrical initial Mg2+,PO43- and NH+4 concentrations,initial NH4+ concentration and initial Ca2+ concentration on the recovery effect of struvite were investigated.

以污泥脱水滤液为研究对象，考察了按照等化学计量比改变Mg2+、PO43-和NH4+的初始浓度、单独改变NH4+初始浓度和单独改变Ca2+初始浓度对鸟粪石回收效果的影响。

First, through monofactorial experiment, we studied the influences of pH, temperature and substrate concentration on acidic trehalase activity of baker's yeast. Then we designed an orthogonal experiment to detective the optimal condition of ascertaining acidic trehalase activity. The optimal conditions are: substrate concentration 1.6%, pH 4.0, temperature 30 and seed volume 0.02g/mL compressed yeast.

首先通过单因素实验研究了pH值、温度、底物浓度对面包酵母酸性海藻糖酶活性的影响，然后通过正交试验得出了酸性海藻糖酶活性测定的适宜条件：海藻糖浓度1.6%、温度30℃、pH 4.0、酵母菌泥接种量为0.02g/mL。

The effects of drug phosphatidycholine ratio, pluronic F 68 concentration and glycerol tristearate concentration on the mean particle size, entrapment ratio and drug loading were investigated.

结果 平均粒径、包封率、载药量和综合指标拟合所得多元二次方程的复相关系数分别为 0 93 93 ，0 773 9，0 980 1和 0 83 69。优化条件制备的药质体的平均粒径、包封率和载药量分别为 76nm ，97 4 9%和

Furthermore,the effect of concentration multiple and salt concentration on the salting out of 2,3-butanediol in flocculated broth was studied.

最后，考察了不同浓缩倍数的絮凝后发酵液中直接加入盐后的盐析情况。

Through these we find the characterization of ammonium sulfate and aniline ratio, hydrochloride and perchlorate (HCLO4) concentration, polyvinylpyrrolidone and polyvinyl alcohol of Concentration on the morphology and conductivity polyaniline films have great impact.

通过这些表征我们发现过硫酸铵与苯胺摩尔比、盐酸和高氯酸（HCLO4）的浓度、聚乙烯吡咯烷酮和聚乙烯醇的浓度对聚苯胺薄膜形貌和电导率有很大的影响。

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。