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The results indicated that the water or 50% ethanol extracts from peonies petals could reduce light absorption of DPPH and OH initiated hydroxylation of salicylate, and inhibit O2(superscript -) mediated light chemical reduction of nitroblue tetrazolium effectively, and lipid peroxidation of polyunsaturated fatty from yolk lipoprotein, in which DPPH scavenging activities of 6 peonies water extracts were hinger than that of 200 μg/mL BHT, but lower than 80 μg/mL Vc. In 4 kinds of detecting systems of antioxidation, the peroxidation activity of deep colored flowers of peonies was higher than that of light colored flowers of peonies.

牡丹花瓣提取液能明显抑制卵黄组织匀浆的脂质过氧化作用,降低DPPH的吸光值、抑制O2介导的NBT光化学还原及OH作用下的水杨酸羟基化作用,其中牡丹花瓣提取液清除DPPH自由基的活性高于200μg/mL BHT,但低于80μg/mL Vc.6个品种的牡丹花瓣提取液,在4种测定系统中均具有一定程度的抗氧化能力,且水提取液的抗氧化活性略高于体积分数50%乙醇提取液,深色花瓣提取液对不同自由基的清除能力较强。

The results of the determinating the activity of the CA in vitro showed that the CA of the water—fed individuals were in activing statics after eclosion. Because of the apperence of the Vg in haemolymph and the deposition of the vitellin in oocytes in the unfed females, it was shown that the CA in such individuals were in activiting statics, too. Again because in the water—fed females which did not lack the feeding action the activity of the CA showed dropping tendency gradually still, it could be said that the activiting of the CA was possibly effected by the nutrition but it was never related to the adult feeding action. In another respect, the brain of the female adult had not significant effect on the activiting CA. The oocytes could depositing vitellin in individuals removed brain tissue on the day of eclosion, which showed that the activting of CA was not concerned with brain.

CA活性的体外测定说明饲水个体的CA同样具有活性,不取食个体血淋巴中Vg的存在以及卵母细胞中卵黄的沉积表明,在不取食的个体中CA同样具有活性,所以CA的活化与成虫期的取食动作无关,与成虫是否取食花蜜也无太多的联系,但是CA活性的维持可能受成虫期营养的影响,如果以卵母细胞发育和CA体积大小作为CA活性的指标,则饲水个体CA的活性在后期受到了影响,说明饲水不能替代取食蜂蜜来维持成虫期CA的活性;成虫期脑对CA的活化无明显作用,羽化当日摘除脑的个体,其卵母细胞仍然可以沉积卵黄,说明CA的活化与脑无关,而是受某种不确定的因子的影响;用抗JH物质—早熟素—Ⅱ以10ug/虫的剂量在颈部点滴处理雌虫,对Vg的发生和卵巢的发育具有一定的迟缓作用,其原因有待于进一步的研究。

In the paper the main topics are:(1) to analyze the chemistry composition, the X-ray diffraction, the DTA, and the functions of all raw materials;(2) to define the best direction for producing glass and foam glass, and the best burning technical process;(3) to characterize the unit weight and thermal conductivity of foam glass;(4) to analyze the reason of bubbling up, including the influence factor of temperature, time and so on;(5) to discuss the reasons of leading to shortcomings.There is high content quartz (SiO2) in the two gangues from gold mine and potassium feldspar mine respectively. They can be used to prepare glass, because the quartz (SiO2) is the main raw material.

论文的主要内容包括:1、对矿山尾矿的湿化学分析,粒度、X射线衍射和热稳定性的分析,以及硼砂、碳酸钙及制备泡沫玻璃的玻璃粉、磷酸钠实验原料在实验中的作用进行分析;2、确定尾矿烧结成玻璃体和利用玻璃体烧结泡沫玻璃的最佳配方以及两次烧结的最佳烧成工艺条件;3、泡沫玻璃制品的体积密度和导热系数等物理性能的测定;4、泡沫玻璃的发泡机理分析,包括发泡温度、发泡时间、发泡剂的用量、稳定剂的用量及其它因素对发泡作用的影响;5、讨论造成泡沫玻璃成品各种缺陷的原因及其解决方法。

The titrant is a mixture of EDTA and sodium fluoride, both mercury film electrode and fluorinion selective electrode are inserted in the titration solution. In a process of titration, both the added volume of titrant and the concentration of mercury ion at each titration point can be obtained simultaneously from the potentials of two electrodes, and then the concentration of each component in the alloy can be obtained from the titration curves by multivariate calibration.

用ED-TA与氟化钠的混合溶液作为滴定剂,被滴定液中同时插入了汞膜电极和氟离子选择电极,在滴定过程中的任一滴定点,溶液中汞离子的浓度和滴定剂的加入体积可由两个电极的电位测定值同时获得,从而可应用多元校正法由相应的滴定曲线求得混合金属中每一种组分的含量。

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推荐网络例句

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。

You rap, you know we are not so good at rapping, huh?

你唱吧,你也知道我们并不那么擅长说唱,对吧?