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The experiments express that the power of parametric test is not higher than nonparametric test at any time. According to different situation to select different statistical analysis methods in order to interpret data reasonably in practice.
参数检验的效能不一定高于非参数检验,在非参数检验方法不断发展的今天,应在适当的情况下,选择非参数统计方法,可以较好地解决实际问题。
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KM strain mice immunosuppressed with 7. 5~10mg/L DEX in drinking water had the higher oocysts output and fewer dead than other groups.(4) There was no significant difference infection rate between groups inoculated with different number CSO and groups inoculated CSO with conserved different time. Trial were divided into control, groups of 50mg/kg /d, 100 mg/kg /d and 200 mg/kg /d dose of the drug to study the anticryptosporidial activities of nitazoxanide in an immunosuppressed mice model. The experimental results showed the treatment with 200mg/kg bw /day was significant inhibition of oocyst excretion. To detect the two cryptosporidiums strain C.
实验结果表明:C.parvum虫种能够感染上本实验所采用的BALB/c和昆明小白鼠两种小鼠,而C.andersoni没有能够感染本次实验小鼠;且从小鼠感染后的排卵囊量和小鼠的生存状态来看,采用5~6周龄的KM鼠能获得最大量的隐孢子虫卵囊,小鼠的死亡数最少;每升饮水中地塞米松量为7.5mg~10mg组比12.5mg以上组小鼠死亡数量少,比5mg/L以下组排卵囊数量多;接种不同卵囊数和卵囊的保存时间这两个参数均对小鼠受感染后的排卵囊情况影响不大。
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The results showed that POD activity increased at first and then decreased in the skin and flesh of root. The peak occurred at 40 d and 60 d in the skin and flesh, respectively. POD activity in the skin was higher than that in the flesh at 30 d and then contrary results were observed. The higher POD activity was, the more POD isoenzyme was. The pattern of POD isoenzymes was different between skin and flesh at different vegetative growth stages. POD isoenzymes in the skin were composed of five monomers and four dimers while five dimers or two monomers, two dimers and one tetramer in the flesh. POD isoenzymes in the root were mainly acidic. POD localized mainly in the cell walls of periderm, cambium, xylem ray, xylem vessels and primary xylem.
结果显示,心里美萝卜营养生长期肉质根的皮和肉中POD活性均先升高后降低,分别在播种后第40 d和60 d出现峰值,30 d时皮中POD活性高于肉,之后则相反,酶活性最高时同工酶数目也最多,不同时期,皮和肉中同工酶种类不同;皮中POD同工酶由5个单体和4个二聚体组成,而肉中由5个二聚体或2个单体、2个二聚体和1个四聚体组成,均以酸性同工酶为主;组化定位显示POD主要分布在肉质根的周皮、形成层、木射线、木质部导管和肉的初生木质部等的细胞壁附近。
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Radiate was 108%. Different phytohormone had different influence on the rooting of the two species. NAA is better for rooting than IBA.
对来自西南部分地区和日本的一些石蒜品种进行了核型研究,发现石蒜存在较大的核型变异。
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It indicates that the different parts of the cattle-egg stone samples in different colours all mainly compose of pyrophyllite, coexisted by two kinds of polytype of monoclinic and triclinic pyrophyllite, and the average crystal structural formula is Al4.04 Si7.89 Al0.11O204. The aggregation of pyrophyllite arranges with no direction, and the crystal size of the single pyrophyllite crystal in the weathering skin is a little bigger than that in the basal part.
结果表明,不同颜色牛蛋石样品的不同部位皆以叶腊石为主要成分,并以叶腊石的单斜和三斜两种多型共存,其平均晶体结构化学式为Al4.04[Si7.89Al0.11O20]4;其叶腊石集合体呈无定向排列,风化皮中叶腊石单晶的粒度略大于基体中的。
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Among them, 16 cultivars were moderately or higher resistant to potato late blight, 28 cultivars were moderately or higher resistant to potato late blight, 28 cultivars were moderately susceptible or less than that, and 4 cultivars had different resistant due to different altitude, accounting for 33.3%, 58.34%,and 8.33% among tested cultivars, respectively.
抗性表现为中抗以上的品种有16个,占总参试品种的33.33%,中感以下的品种有28个,占总参试品种的58.34%;其中有4个品种的抗性表现因海拔高度的不同而表现出差异,占总参试品种的8.33%。
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To return to the table. It is evident from what we have found, that there is no colour which preeminently appears to be the colour of the table, or even of any one particular part of the table -- it appears to be of different colours from different points of view, and there is no reason for regarding some of these as more really its colour than others.
我们再回过来谈桌子,根据我们以上的发现,显然并没有一种颜色是突出地表现为桌子的颜色、或桌子任何一个特殊部分的颜色,--从不同的观点上去看,它便显出不同的颜色,而且也没有理由认为其中的某几种颜色比起别样颜色来就更实在是桌子的颜色。
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and Suggestions: This study found that immigration women were younger than native primiparity in Taiwan. Different nationality women had different rate on Cesarean section. Except for medical factors, there are some other non-medical factors that will affect delivery methods, such as parturient willingness, obstetricians' suggestions and attitude about virginal delivery.
结论与建议:由本研究结果发现外籍产妇生产年龄普遍较台湾产妇年轻,不同国籍产妇剖腹产比例有所差异;除了医疗因素影响生产方式外,产妇本身选择生产方式之意愿,产科医师是否有鼓励产妇选择自然产的态度亦是影响产妇决定生产方式的非医疗因素。
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The spore germination and gametophyte development of 21 ferns are studied. It indicates that :① the development period of prothallium and young sporophyte of the same species is different due to seeding time of spores;② the optimal temperatures of spores germination and gametophyte development of 21 ferns are about 15 -24 ℃;③ the rate of spore germination of rare ferns is much lower than the ferns which occur large populations in nature;④ the treatment with GA 3 can accelerate the germination of the spores;⑤ the prothallium changes from large to small, green to yellow when young sporophyte comes out. The prothalliums of all 21 ferns die away after the appear of the 3rd leaf of sporophytes;⑥ shapes of the 1st and 2nd leaves of the young sporophyte are different from those emerged later;⑦ spores cultured in dark can not germinate;⑧ a prothallium can develop only one young sporophyte though it has many archegoniums, and the spore propagation with leaf mould substrate is an economical method.
摘 要:以腐叶土为培养基质,对 21 种蕨类植物进行了孢子萌发和原叶体发育的研究,结果表明:①不同时期播种的同种蕨类的孢子,发育出原叶体和幼孢子体所历经的时间长短不同;②孢子萌发和配子体生长发育的适宜温度约为 15 ~ 24 ℃;③稀有蕨类的孢子萌发率低,而在野外能形成较大种群的蕨类的孢子萌发率高;④用 GA 3 处理孢子可以促进萌发;⑤当原叶体上长出幼孢子体时,原叶体由大变小,由绿变黄, 21 种蕨类的原叶体都在幼孢子体上长出第 3 片叶时消失;⑥幼孢子体上长出的第 1 、 2 片叶在形态上与以后长出的叶不同;⑦孢子萌发需要光;⑧ 1 片原叶体尽管有多个颈卵器,但仅发育出 1 株幼孢子体;⑨利用腐叶土进行蕨类孢子繁殖是一种经济实用的繁殖方法。
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Plate and λ/2 plate were placed inside the Nd∶YVO4KTP green laser cavity with angle 90°between their fast axis.The composite plate composed of HWP,QWP and KTP has the function of QWP.The composite plate with Nd∶YVO4 can effectively suppress the coupling of polarized modes,and multi-longitudinal-mode lownoise green laser was obtained.Since the composite plate counteracted the phase shift induced by temperature sensitivity of quartz plate,the green laser operated with lownoise reliability in different output power and different operation temperature.The threelongitudinalmode, the noise of less than 0.5% and output power stability of less then 1% for 12 hour are obtained in the green laser.
介绍了一种LD泵浦腔内倍频全固体Nd∶YVO4KTP多纵模、低噪音、高功率稳定绿激光器在Nd∶YVO4KTP绿激光器组成的谐振腔内放置厚度约相等的石英晶体λ2波片和λ4波片,使两波片快轴夹角互呈90°,HWP、QWP与KTP构成复合波片,其作用相当于QWP,此复合波法与各相异性Nd∶YVO4共同作用有效抑制了腔内偏振模耦合,获得多纵模低噪音绿光输出此复合波片相互作用由于抵消了石英晶体波片温度敏感引起的相位延迟量漂移,所以此激光器在不同功率、不同工作温度下,均能稳定可靠地运转于低噪音状态实验结果为,绿光输出纵模数为3个,噪音小于0.5%,12 h功率稳定性优小于1
- 相关中文对照歌词
- Different Than You
- 推荐网络例句
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They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.
他们没有侵略性,但我大喊,并在他们的方向扔石头让他们过的线索,远离我,以防万一。
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In slot 2 in your bag put wrapping paper, quantity does not matter in this case.
在你的书包里槽2把包装纸、数量无关紧要。
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Store this product in a sealed, lightproof, dry and cool place.
密封,遮光,置阴凉干燥处。