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In the forth chapter, the mechanism of pyrimidine benzylamine compounds is studied by the conventional bioassay and biochemical methods based on probe compound 104-4. The results presented here indicated that the addition of 5 mg/L of 3 branched-amino acids to sorghum seedling cultures incubated in the presence of 104-4 completely alleviated herbicide-induced stem growth inhibition, but each of Val, Ile and Leu single is only partly effective in reversing 104-4-induced growth inhibition at the same concentrations.

通过先导结构优化策略的实施，筛选出15个高除草活性的4，6-二甲氧基-2-取代嘧啶苄胺类候选化合物，在此基础上，对一些候选化合物进行作物安全性评价试验，实验结果提示化合物103-1和化合物105-3在低剂量下对某些作物有良好的选择性，可作为优选化合物进入田间小区试验。

The results show that the porosity of the membrane prepared by ScCO_2 induced phase separation is higher than that prepared by conventional method;the membrane structures are significantly influenced by the process parameters;compared with the conventional immersion precipitation phase inversion,ScCO_2 induced phase separation process can effectively avoid the formation of macrovoids at suitable operating conditions;during depressurization process,the great differences in the effect of depressurization time on membranes structure for various polymer materials result from that the speed of CO_2 gaseous nuclei escaping from membrane substrate can not keep the pace with the outer depressurization rate.(2) The tendency that the interaction parameters affect the binodal curve position is illustrated by changing the interaction parameters in reasonable ranges.

研究结果表明：与传统方法相比，采用ScCO_2诱导相转化法可获得更高的膜孔隙率；通过改变操作参数可对膜的结构进行调控，且操作参数对膜结构的影响与铸膜体系的自身性质也紧密相关；在适宜的操作条件下，ScCO_2诱导相转化法能有效避免采用传统的浸入沉淀相转化法制膜时易出现的大空腔结构；泄压过程中CO_2气核从聚合物膜基体中逃逸的速度能否与膜基体外部的泄压速度保持同步，是泄压时间对不同材质膜结构影响截然不同的根源所在。

Methods Barium Cholorid-induced ventriculararrhythmia model was induced in wistar rats,electroacupuncture on the borh area of lateral line1of forehead was then given.Heart rate and blood pressure was recorded in30rats in vivo.Results Scalp eletroacupuncture have obvious effect on heart rate and blood pressure of the anrrhythmia rats.

经络学说认为，十二经脉，内属脏腑，外络肢节，行气血，通阴阳，是人体功能联络调节系统；而头顶是经脉总汇之处，是人体精气汇聚的重要部位，头针的伏脏部位是内脏系统的功能集中区域，与心血管活动有着密切关系。

objective the effects of anthocyanin pigment from maize purple plant on resisting lipid peroxidation were investigated.methods the inhibition of anthocanin pigment from maize purple plant was examined in vitro that autcoxudation of lecithin liposome system induced by fe2+.50 mice were randomly divided into 5 groups.vehicle and different dose anthocyanin pigment from maize purple plant were given respectively,and then experimental injury of mice liver was induced to make use of bromobenzene and the content of mda was determined in liver homogenate.results the inhibition rates of anthocyanin pigment from maize purple plant on linoleic acid oxidation was higher that of ascorbic ascorbic acids.the content of mda in homogenate in middle and high dose of pigment were significantly lower than that in low dose and the injured control group.there were no significat differences in the content of mda in homogenate between low dose group and injury control group.conclusion the anthocyanin pigment from maize purple plant have the capability to resist lipid peroxide.

目的 探讨玉米紫色植株色素抗脂质过氧化的作用。方法体外实验测定玉米紫色植株花色苷色素在fe2+引发的卵磷脂脂质体体系中抗氧化活性。体内实验，取50只小鼠随机分成5组，分别给予溶媒和不同剂量的色素，然后采用溴代苯致实验性肝损伤，测定肝匀浆的丙二醛含量。结果在由fe2+引发的卵磷脂脂质体体系中玉米紫色植株色素对脂质过氧化有明显的抑制作用，抑制率随样品的浓度增高而增大，并且明显优于抗坏血酸。在溴代苯致小鼠实验性肝损伤模型实验中，中、高剂量组的丙二醛含量均低于损伤模型组。低剂量组和损伤模型组比较丙二醛含量差异无统计学意义。

Analgesic action of wild and cultivated Polygonun capitatum was observed by aceticacid-induced twisting test.ResultsBoth wild and cultivated Polygonun capitatum could inhibit cotton-induced granuloma of mice, and inhibit twisting response of mice obviously. In the same dose, there had no significant difference between wild and cultivated Polygonun capitatum.

结果野生与栽培头花蓼对小鼠腹腔毛细血管通透性、小鼠足肿胀、小鼠耳肿胀和棉球肉肿等炎症具有明显的抑制作用；对醋酸引起的扭体反应有明显的镇痛作用；相同剂量的野生与栽培头花蓼之间没有明显差异。

objectiveto study the protective and therapeutic effects of the extract of retinervus luffae fructus and carapax trionyei on con a-induced hepatic fibrosis in balb/c rats.methodsthe hepatic fibrosis in rats was first induced by intravenous injection of concanavalin a, the treatment in both protective and therapeutic stage was performed by subcutaneous injection of the extract.

目的 探讨鳖甲复方中药针剂对con a在balb/c雄性小鼠中诱导肝纤维化的预防和治疗作用。方法采用con a诱导肝纤维化，造模期间及造模成功后均用复方中药针剂干预药剂组，比较组间各项血液生化指标和肝脏组织学方面的差异，以探讨针剂对肝纤维化的预防和治疗作用。

Objective:To observe the inhibitory effect of EGCG on cataractous lenses of rabbits Dexamethason peroxide induced.To explore the validity of EGCG on the treatment of Dexamethason induced cataract formation.

目的：观察表没食子儿茶素没食子酸酯对抑制地塞米松诱导体外培养兔晶状体上皮细胞凋亡的作用，从而探讨EGCG对晶状体糖皮质激素损伤进行药物治疗的可行性。

However, dexamethasooe did not seem to affect the sustained current and the sustained component of the biphasic current induced by ATP. The in hibitory effect of dexamethasonc on ATP induced currents was blocked by glucocorticoid receptor antagonist RU38486 (10μmol/L) and protein kinase A inhibitor H-89 (10μmol/L), but not by G protein inhibitor GDP-β-S (0.2mmol/L) and protein kinase C inhibitor chelerythrine chloride (10μmol/L).

地塞米松对ATP激活电流的快速抑制作用可被糖皮质激素受体拮抗剂RU38486(10μmol/L)、蛋白激酶A抑制剂H-89(10μmol/L)阻断，而G蛋白激活抑制剂GDP-β-S(0.2mmol/L)、蛋白激酶C抑制剂Chelerythrine chloride(10μmol/L)对地塞米松的快速抑制作用无明显影响。

Results:Oxidized and native LDL-ICboth induced cholesteryl ester accumulation in human macrophages, the level of cellular CE induced by IC were significan...

001，而且随剂量的增加而升高，并转化为泡沫细胞；而天然LDL、抗apoB处理的巨噬细胞内未见胆固醇酯的堆积。

Methods Dietary-induced hyperlipidemia were induced in female SD rats by given 4% cholesterol and 1% cholic acid diet for 16 weeks.

用含4%胆固醇和1%胆酸钠的高脂饲料饲喂大鼠建立高脂模型，观察大鼠血脂、24h尿蛋白、血肌酥和肾小管间质病理改变，免疫组化法检测肾小管上皮细胞巢蛋白和α-平滑肌肌动蛋白表达。

This matter overthrew all basises I learned from Sunday school .

这件事把我从周日学校学到的所有道理都颠覆了。

It's one of the cruel ironies of aging: if you want to remember your favorite restaurants, the less you should eat at them.

这是一个老化的残酷讽刺：如果你想记住你最喜欢的餐馆，你应该更少吃到它们。