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concentration on相关的网络例句

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Results show that the aqueous extract of 11 species could inhibit seed germination and seedling growth in Ligularia sagitta, and its effect is concentration dependent, increasing with the increase of concentration.

结果表明,11种供体植物水浸液对箭叶橐吾种子萌发和幼苗生长均有化感作用,不同浓度的水浸液对植物的化感作用强度不同,低浓度时较弱,高浓度时较强。

The cell wall of sclerenchyma in ROL barrier was significantly thickened in conventional lowland rice (Yangdao 6) with the increase of PEG concentration, but upland rice (Zhonghan 3) was not sensitive to low PEG concentration. The thickening of ROL barrier obviously became stronger at 50 g·L-1 and higher concentrations. Besides, suberisation of cell walls increased significantly with the time extension.

随PEG浓度的升高,水稻(扬稻6号)根的ROL屏障厚壁细胞胞壁宽度明显增加;旱稻(中旱3号)对低浓度PEG胁迫不敏感,当PEG浓度达50 g·L-1以上时,ROL屏障厚壁细胞才表现出明显加厚的趋势,且随PEG胁迫时间的延长,厚壁细胞栓质化程度变高。

The EC50 values of procymidone and Junduqing were more than 10g/mL. At the concentration of EC50, all the tested fungicides did not affect the number of sclerotium. But the weight of sclerotium fell more than 70% after treated with triazole fungicides. All the triazole fungicides had no effect on the germination of sclerotium below the concentration of 10μg/mL.

在EC50值浓度下,所有供试药剂对菌核形成及其数量均没有影响,但三唑类杀菌剂对菌核单重影响较大,各处理所形成的菌核单重降低率均在70%以上;而当药剂浓度在10μg/mL以下时,己唑醇等三唑类杀菌剂对菌核萌发均没有影响。

The time rate of change of concentration is proportional to the second derivative of concentration.

浓度对时间的变化率成正与浓度对距离的二阶导数。这种关系被用于描述非稳定态扩散。

Its characteristic band is sensitive to the polarity of environment. It was found that the semilogarithmic plot of λ versus surfactant concentration exhibited two inflection points. The first inflection point corresponded to the critical micelle concentration, and the second inflection point C(subscript cm addressed the critical point reaching dense structure in the micellar core.

由于它的荧光特征波长对环境极性的敏感性,其荧光发射波长-表面活性剂浓度(λ-1gc)曲线出现了2个浓度相距较大的转折点,第一个转折点对应临界胶团浓度,第二个转折点C则表征胶团结构达到较为密实的临界点。

The results showed that at the onset of this disease, the serum zinc concentration of 20 patients was lower than the limit of the normal value, and the mean concentration of serum zinc in patients was significantly lower than that of the control group.

在 4 1例白血病患儿和 3 3例正常对照儿童中,观察到在明确诊断化疗前,4 1例白血病患儿中有 2 0例患儿的血清锌浓度低于正常低限,他们的平均血清锌浓度为 1 2 3± 3 4 μmol/L ,明显低于对照组 1 8 3± 4 0 μmol/L。

In this paper,the behavioral,physiological, ecological adaption mechanism of H.armigera and H.assulta to their common host plant tobacco were studied comparatively,and the main results were summarized as follows:Electroantennogram response of adult to tobacco volatiles:(1) H.armigera and H.assulta elicited similar EAG responses to the tested 20 tobacco volatiles;both of them elicited significantly more sensitive to green leaf volatiles,aliphatic and aromatic compounds, than to monoterpene,sesquiterpene,heterocyclic compounds under lower concentration; while the similar EAG responses under higher concentration were detected,but most of them were not significantly different with each other.

本文从行为、生理和生态适应三个方面,对棉铃虫和烟夜蛾与烟草间的互作进行了比较研究,主要结果如下:成虫对烟草挥发物的EAG反应:(1)两种夜蛾对测试的20种烟草挥发物均可产生EAG反应;低浓度下对绿叶气味、脂肪族、芳香族化合物的EAG反应显著高于单萜类、倍半萜类和杂环化合物;高浓度下的EAG反应也表现出相似的总体反应趋势,但多数反应值间的差异未达显著水平。

The results show that sulfite ion increases with pH value and concentration of sodium sulfite, which results in the increase of solubility of silver chloride. In the circular leaching solution, the solubility of silver chloride becomes lower with the increase of concentration of chloride ion.

结果表明:pH值的增大和亚硫酸钠浓度的提高,使与银配位的亚硫酸根离子增多,从而氯化银的溶解度明显提高;在亚硫酸钠循环浸出氯化银的过程中,溶液中不断积累的氯离子导致浸银效果逐渐变差。

In this paper, the mechanism of leaching of silver chloride by ammonia and the influences of concentration of ammonia, pH value of the solution and concentration of chlorine ion on the solubility of silver were studied.

摘 要:作者利用配合物化学理论,对氯化银在氨水中的溶解度进行一系列计算,结果表明氨水浸出氯化银时,氨浓度、pH值、氯离子浓度对氯化银溶解度都有影响。

In industrial production, the solution can circularly leach silver chloride 11 times when the concentration of sodium sulfite is 2mol/L and the concentration of silver ion is 30g/L after every leaching process.

结合工业生产,确定了亚硫酸钠浓度为2mol/L,控制每次浸出液中银的浓度为30g/L时,亚硫酸钠溶液可以循环浸出氯化银11次。

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The network space is the typical form of abstract space when it comes to the digital stage.

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The Notarial System,as the system of judicial certification in our country,is both the constructor and the defender of social credit system,It has its special value and function in the social honesty.

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"他永远不会像你爱他那样爱你。"本说。