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The result suggested that different genomes had different genetic speed or stability during evolution.3 The similarities co-efficiency between wild emmer and hexaploid synthetic was higher than that between wild emmer and common wheat. So that crossing among species is not a simple combination of genomes, but involve introgression of chromosomes, and the evolution made by this action was bigger than that made by environment.4 According to the results of salt tolerance identification, the salt tolerance of wild emmer is lower than that of common wheat in the whole.
野生二粒小麦与普通小麦之间的遗传相似系数稍高于野生二粒小麦与其与节节麦合成的双二倍体的遗传相似系数,说明物种之间的杂交并不仅仅是染色体组简单的合并,其中包括复杂的染色体组本身的一些特性以及染色体之间的互渗且这种作用远大于环境作用所引起的变化。
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In D3 gene with 5 site mutations. There exists individual variation in the COII gene, but this variation is less than that among other members of Myzomyia Series such as An. aconitus, An. jeyporiensis, etc. In addition, one haplotype different from both An. minimus A and C was found in these 3 genes studied.②The genetic distance between An. minimus A and An. minimus C is less than that among other members of Myzomyia Series. Molecular trees based on different genes and different methods show that An.
种系发生研究表明,微小按蚊复合体亲缘种A、C间的遗传距离远小于与之近缘的同系其它成员间的距离。2个分子标记3种方法构建的基因树显示,微小按蚊A、C的种系地位非常固定,不同地域来源、不同变异类型的微小按蚊始终在同一分"枝"上,与迈蚊系其它成员相比,呈现其相对稳固的单源性。
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In this paper, as a case of Karamay, we have studied on space-time changement of soil quality in oasis of arid area. We measured quality for different land use types and years in same type by combinativing field sampling for Karamay in Xinjiang and analysis in laboratory, which is directed by former theory of soil quality. Then we did integrated evaluation of soil quality for different land use types, and had drew some conclusions as followed: In four land use types, the soil bulk density of layers(0~15cm) for farmland and tree land is bigger than the other land use types.The organic matter of every layer in manpower Tamarix Bulrush land is bigger; organic matter of Tamarix Bulrush land release efficiency nitrogen which result ration of C/N is higher; total nitrogen of all layers in farmland variety great as being effected by mass use of nitrogen in agriculture; deadwood and defoliation of tree、shrub and bulrush pooled in 5cm layer to result that quick nitrogen is the biggest among all layers. The total salt of nature shrub tree land for every layer being bigger than farmland explain that nature shrub thee land strongly stand salt and farmland for basification in this area; that the nutrient of face layer is bigger than the ground layer may be explained by that vegetation gather nutrient to be stored in deadwood and defoliation.
本文对以克拉玛依为例,对干旱区绿洲土壤质量的时间空间变化进行研究,在有关土壤质量的研究理论指导下,通过田间调查取样和室内分析相结合的方法,对新疆克拉玛依市农业开发区的不同土地利用方式及同一土地利用方式下不同利用年限土样土壤理化性质进行测定,从而对新垦绿洲不同土地利用类型土壤质量进行综合评价,结果如下:四种土地利用方式中,农地、乔木林地表层(0-15cm)土壤容重较大;各土层人工柽柳芦苇地的土壤有机质含量均较大;柽柳芦苇地的有机质在矿化过程中所释放出有效氮,导致柽柳芦苇地的C/N比例较高;受到农业耕作使用大量氮肥的影响,农地各土层全氮含量变异较明显;乔木、灌木及芦苇的枯枝落叶主要集中在5cm范围之内,导致几种土地利用方式类型下该层土壤速效氮最大;天然灌木林地的土壤总盐在各层均较大,其次是农地,说明天然灌木林地的高耐盐能力,以及该区农业生产用地的土壤盐碱化程度较重。
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The main reason why quarter-sawn board of Birch had smaller dry compressing shear strength than flat-sawn board of Birch in normal conditions was that Birch had different shear strength to the grain between quarter-sawn board and flat-sawn board. Meanwhile xylary rays in flat-sawn board were transversely cut and left a lot of pores in the flat-sawn board, so adhesive can enter these pores and turn into adhesive nail. While these pores provided a kind of tunnel for water, so cause this phenomenon that wet compressing shear strength of flat-sawn board of Birch was smaller than that of quarter-sawn board of Birch. The possible reason why quarter-sawn board of Oak had greater dry compressing shear strength than flat-sawn board of Oak in normal conditions was that ratio of springwood on quarter-sawn board and flat-sawn board was different.
造成柞木径切板的常态压缩剪切强度比弦切板的常态压缩剪切强度大的主要原因是,在径切板和弦切板上早材胶接的比例不同,径切板的胶合强度试件上早材胶接的比例相对少,而弦切板的胶合强度试件上早材胶接的比例比径切板的胶合强度试件上早材胶接的比例相对大,由于早晚材胶接过程中强度决定于早材,这部分胶接强度比较低,这就使得柞木径切板的常态压缩剪切强度比弦切板的大;同时在柞木弦径面胶接过程中由于实际胶接面积的不同也能造成弦径面上API胶粘剂与之形成的化学键的数量不同,这也是造成柞木径切板的常态压缩剪切强度比弦切板的大的原因之一。
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This paper has studied the physiological and biochemical changes during the period of forming strong buds of tree peony, and expect to provide academic basis for extending its view value and economic benefit . The main results are as the following:1 Under the field condition, Characteristics of photosynthesis of tree peony are very regular. From before blooming to the prophase of abducting buds that after blooming ,that is April,May and June,the net photosynthetic rate of tree peony is higher than the other period .It indicates that this period is very important for accumulating photosynthetic products of tree peony . So, if we want to get quality flower of tree peony ,it is very important to strengthen the management of tree peony cultivation and to ensure provide the fertilizer and water.2 From the middle ten days of June, with the time elapsing and with the environment conditions worsening, the characteristics of photosynthesis of tree peony decline deeply. But it is different among different tree peony breeds. For example , cv. Wu Long Peng Sheng can also has higher net photosynthetic rate, it indicates that cv. Wu Long Peng Sheng is super than the other two tree peony breeds when adapting the environment conditions and cv. Wu Long Peng Sheng has wide prospect to extend .3 The main factors of effecting the characteristics of photosynthesis are stomatal factor and non-stomatal factor ,that is the ability of photosynthesis of leaf cells. Under the environment of high light intensity in midsummer, if overshadow tree peony properly, then it can slow the declining of chlorophyll content, and increase the net photosynthetic rate and benefit for the accumulating of photosynthetic products.4 The content of soluble sugar in the root of tree peony is the highest among different organs during the period of forming strong buds . According to analyse ,we believe that the soluble sugar will compose starch then, and provide the solid base of material for the growth and development next year. It provide us strong academic basis of adopting the method of cultivating root and protecting root under thefield environment conditions .In other words ,it will help to increase the health level of the whole plant of tree peony and will be beneficial to forming quality tree peony flower if we strengthen the management of root. 5 To tree peony, the endogenesis hormone is important for its growth and development .In the prophase ,that is about the blooming of tree peony and the mid-summer ,IAA and ZR contents are higher and GA content is lower and its changes are very little, and the content of ABA is decreasing . This indicates that IAA and ZR act the important promote function for growth and development of tree peony in this period, and the function of GA is not important. Bur in the period of anniversary senescence of tree peony , the content of IAA and ZR begin to decrease ,while the ABA content has a certain rebound .T
本研究对几个牡丹品种壮芽形成过程中的某些生理生化变化做了研究,以期了解牡丹生长发育过程中生理生化的变化规律,探讨大田栽培条件下提高牡丹花质量的栽培措施和管理技术,为提高牡丹的观赏价值和经济效益提供理论依据,结果如下:1 大田栽培条件下,牡丹光合特性在生长发育过程中表现出极强的规律性,牡丹各品种的光合速率从牡丹开花前,到牡丹花谢后的花芽诱导期前期(6月10日之前),也就是在4、5、6月份,各牡丹品种的净光合速率相对与其他时间都维持在比较高的水平,这说明,在这段时间,是牡丹光合产物积累的重要时期,因此,要保证得到高质量的牡丹花,在这段时间加强对牡丹的栽培管理,保证这个时期的肥水供应十分重要。2 从6月中旬后,随时间的推移,环境条件的恶化,牡丹的光合性能剧烈下降,但是不同牡丹品种间仍有差异,比如,乌龙捧盛仍可维持较高的光合水平,这说明了乌龙捧盛这个牡丹品种对于环境的适应性较之其他牡丹品种高,有着广泛的推广前景。3 影响牡丹光合性能的主要因子是气孔因素和非气孔因素即叶肉细胞的光合能力,在盛夏高温高光强的环境条件下,对牡丹进行适当遮荫,能缓解牡丹叶绿素水平的下降,适当提高Pn,有利于光合产物的积累。4 可溶性糖在牡丹各品种的壮芽形成过程中,根中可溶性糖的含量在牡丹各部位中始终维持最高水平,分析认为这些可溶性糖在根系中进一步合成淀粉等储藏性物质,为来年牡丹的生长提供雄厚的物质基础,这为我们在大田栽培条件下对牡丹采取养根护根的栽培措施提供了有力的理论依据,即在大田栽培条件下,加强对牡丹根系的管理,有助于提高牡丹整株的健壮程度,有益于形成高质量的牡丹花。5内源激素对牡丹的生长发育调节作用是十分明显的,在前期,即开花前后和盛夏,IAA和ZR含量维持在比较高的水平,GA含量低且变化不明显,ABA含量逐渐降低,说明了IAA和ZR对牡丹在这段时间内的生长发育起到重要的促进作用,GA的作用不是很明显,ABA可能在高温高光强下有明显的升高,也说明了ABA的确有一些促进作用,但是到了牡丹周年衰老期,IAA和ZR的含量开始下降,ABA含量却有了一定程度的反弹,说明了IAA和ZR的作用开始降低,ABA起到了促进衰老的作用
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12H treatment group compared with 12h model group: the level of SOD, MDA of the Gardenoside group is no different with the model group; the level of the SOD of the Baical in group increase and the level of MDA is no different; the level of SOD of the Concha Margatitifera Usta is no different and the MDA of it decreased than the model; the level of SOD of the Cholic Acid group increased and the level of MDA decreased; the level of SOD of the Hefang Group increased and the level of MDA of it decreased than the model group.
考虑nNos可能只是参与缺血早期的神经毒性作用。到缺血24小时这一时程已经减低或耗竭。大鼠局灶性脑缺血12小时模型组缺血脑组织P53光密度值含量较正常组明显增高(p<0.01)。珍珠母治疗脑缺血12小时组缺血脑组织P53光密度值较缺血12小时模型组明显降低。胆酸治疗脑缺血12小时组缺血脑组织P53光密度值较缺血12小时模型组明显降低(p<0.05)。栀子苷治疗脑缺血12小时组缺血脑组织P53光密度值较缺血12小时模型组明显降低(p<0.05)。
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Different strains have different reaction to the delay of oviducts in body after animal death. After 10min delay C57BL/6 mouse oocytes have death rate of 56.5%,significantely higher than Kunming mouse (47.6%);Spontaneous activation rates were respectively 13.3% and 46.0%, C57BL/6 were obviously lower than Kunming mouse.4. The oviducts were obtained after being delayed 5min 24h after the mice were injected with hCG. The oocytes were cultured in CZB. About 81.1% occurred spontaneous activation, evidently lower than parthenogenetic rate (96.4%) with SrCl_2. Spontaneous activable oocytes had high cleavage rate(93.2%) and 4-cell rate(87.3%). However, spontaneous activable oocytes had blastula development rate(18.7%) as low as parthenogenetic oocytes by SrCl_2(22.9%).
不同品系小鼠卵母细胞对输卵管在体内滞留产生的反应不同,滞留10min C57BL/6系小鼠卵母细胞死亡率为56.5%,显著高于昆明鼠(47.6%);自发激活率分别为13.3%和46.0%,C57BL/6系小鼠显著低于昆明鼠。4.hCG后24h体内滞留5min卵母细胞在CZB中培养自发激活率为81.1%,显著低于SrCl_2孤雌激活率(96.4%);自发激活的卵母细胞有较高的卵裂率(93.2%)和4-cell比率(87.3%),但囊胚率(18.7%)较低,同卵龄的卵母细胞经SrCl_2孤雌激活囊胚发育率为22.9%,差异不显著。
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The results of the present research are as follows, The correlation between physico-chemical properties of organic compounds and their competitive power was studied, and it was indicated that organic compounds preferable to form H-bonding with organic matter of sorbents have stronger competitive power; Sorption behaviors of ionizable organic compounds in different species and their competitive power were examined, and the results showed that phenols and carbonxylic acids with benzyl circle have much stronger competitive power in molecular species than in ionized species, because negative charges of anionic forms can depressed their adsorption on the surface of the sediment; in contrast, organic bases such as aniline and p-chloroaniline show weaker competitive power in molecular species than in ionized species, and this is because both species of the organic bases could adsorb strongly onto the sediment; there is a correlation between competitive power of organic pollutants in multi-solute systems and their sorption isotherm nonlinearity in single-solute systems, and organic compounds whose sorption isotherms is linear in single-solute systems hardly have competitive power in multi-solute systems; Competitive sorption effects in more than two-solutes systems was studied, and it was exhibited that mixture of two cosolutes each of which could suppress sorption of nominal solute onto the sediment had synergistically competitive sorption effect on the nominal solute; A method about incorporating sorption/desorption of organic pollutants into river water quality model was developed, and discussion about degree of sorption/desorption effect on model prediction for different organic compounds was made, which will provide theoretical basis and practical processes for setting up more accurate water quality model.
论文主要取得了以下研究成果。(1)有机化合物的吸附竞争能力与其物化性质具有相关性,易与沉积物有机质形成氢键的化合物其竞争能力也比较强;(2)可离子化有机化合物的吸附竞争能力与其存在形态有关。酚类、含苯环的羧酸类化合物,其离子态的吸附竞争能力远小于分子态,其机理为有机酸阴离子所带的负电荷抑制了表面吸附能力,主要发生分配作用;而苯胺类化合物,其离子态和分子态都表现出显著的竞争能力,而且离子态的竞争能力略强于分子态,原因在于有机碱阳离子所带的正电荷促进了其表面吸附能力;有机化合物竞争能力的强弱与其单组分吸附等温线的非线性程度具有一定的相关性,吸附等温线近似为线性的化合物没有或只具有微弱的竞争能力;(3)对目标有机化合物的吸附具有竞争效应的有机化合物混合后,将对目标有机化合物的吸附产生协同竞争效应;(4)以京杭运河为例,率先提出了将有机污染物的吸附/脱附作用及水文水力参数耦合到水质模型中的方法,并讨论了吸附/脱附作用对不同有机污染物预测模型的影响,为建立更准确的水质模型及进行更客观的风险和生态评估提供了参考依据。
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In D3 gene with 5 site mutations. There exists individual variation in the COII gene, but this variation is less than that among other members of Myzomyia Series such as An. aconitus, An. jeyporiensis, etc. In addition, one haplotype different from both An. minimus A and C was found in these 3 genes studied.②The genetic distance between An. minimus A and An. minimus C is less than that among other members of Myzomyia Series. Molecular trees based on different genes and different methods show that An.
种系发生研究表明,微小按蚊复合体亲缘种A、C间的遗传距离远小于与之近缘的同系其它成员间的距离。2个分子标记3种方法构建的基因树显示,微小按蚊A、C的种系地位非常固定,不同地域来源、不同变异类型的微小按蚊始终在同一分&枝&上,与迈蚊系其它成员相比,呈现其相对稳固的单源性。
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TyPe II collagen induced arthritisln the rat ank1e joint andoVathumin as antigen induced arthritis WA in the rabbit knee joint wereestab1ish2 Qualitative evaluation of me in skin, muscle, synovium, cedilagearound joint and blood was performed by OMA3 The CIA rats were treated on day 7 after hind paw swelling and erythemaAnimals were injected intravenously with ase at a dose of 10mg/kg,tWenty minuots 1ater, one ankle of the rats random1y assigned was exPosedlaser irradiation at l00J/cm fOr l000 seconds, and another ankle wasM grouP wihout laser The other two groups is unmanipulatedcontrol group and untreated CIA group Bimaleolar ankle widthmeasuremellts were taken in all animals every tWo days using amicrometer The histopathology of the ank1e Joint was assessed at day 21after disease onset4 The pro1iferating cell nuclear antigen WCNA of CIA treated by PDT andthe HMME group without laser was doterdrined by immunohistochemiStry5 The AfA rabbits were treated on day 7 after knee swelling and erythemaThe theraPy invo1ved lntravenous injection of l0mg/kg HMME, fOl1owedby 20 minues period in dim light, and transdermal light treatment with\l00 J/cm2 fOr l000 seconds The inner sides of the treated Anees wereirradiated at first, and then the outer side did 24 hours later, the synovialtissue of the Anees joint were removed and in situ cel1 aPoptosis wasdetCCted With tednal deoxync1eotidyl transferase-mediated dUTP nickend labelingR6suIt8:l The pathologic changes of CIA and AIA include subsynovial inflammation,opovial hyPerplasia, pannus formation, cartilage and bone destructionresemble RA.2 The studies demonstrated that there are different uptake of HMME withinskin, muscle, synovium, cartilage and b1ood, and the synovium cou1draPidly uPtake more ase than skin and cartilage at the firSt 30 minuesaller intravenous injection of HMME3 The bimaleolar anke width had no different among PDT treated group,H group withollt 1aser and untreated CIA group But hlstologicalevaluation showed statiStical1y significallt reductions in synovialhyperplasia, pannus formation and cart1lage reosion, bone destruction andtotal score in PDT treated group4 Image analysis showed that the ratlo bforeen the areas of the coufltedobect to that of the entire area in PDTtreated grOup is lower than that in conirol group, but the integrated oPticaldensity had no different between the two groups5 Imape analysis showed that the ratio between the area of the countedobject to that of the e
治疗组在大鼠出现踝关节红肿后1周,炎症达到高峰时进行PDT治疗。随机治疗大鼠一侧的踝关节,另。2。一一侧作单纯HMME 对照。治疗方法是大鼠麻醉后尾静脉注入 HMME10ngkg,20分钟后踝关节照光,激光波长627.sum,功率密度 100mwcm',照射时间1000秒,能量密度100)/。治疗后避光喂养72 小时。隔日一次测量大鼠的踝关节左右横径,治疗后两周取关节进行病理d 观察。 4。大鼠CIA模型用上述方法进行PDT治疗后,治疗组和单纯HMME 组用兔疫组化SP法检测石蜡切片的核增殖抗原。 5。兔AIA模型在关节炎出现第七天进行PDT治疗,随机治疗一侧膝关节,另一侧作自身对照。兔耳静脉注入I'arrainrelomg/Kg,20分钟后,膝关节用金蒸气激光照射,激光能量密度100)儿旷。24 /J'时后取膝关节滑膜作病理检查,并用脱氧核昔酸末端转移酶介导的缺口末端标记法原位检测凋亡细胞。结果: 1。模型观察:CIA大鼠炎症高峰期滑膜下炎细胞浸润明显,滑膜细胞明显增殖,炎症达到高峰后二周,血管缀形成,并侵蚀和破坏软骨和骨, CIA模型病理改变与人类RA相似。兔AIA模型膝关节滑膜病理可见滑膜细胞增生,滑膜下炎细胞浸润,也与人类RA滑膜改变相似。 2。关节周围组织中光敏剂含量的测定结果表明,各组织对HMME 的吸收速度和吸收量不同,荧光值一时间曲线不同,滑膜组织比皮肤和软骨对 HMME的吸收多,在 2 0分钟时即有明显差异。 3.PDT对CIA模型的治疗结果表明:PDT治疗后关节炎组、单纯 HMME组和治疗组踝关节左右横径统计学检验差异没有显著性,但病理评分PDT治疗组滑膜增生、血管资形成及软骨破坏、骨破坏和总分比关节炎对照组和HMME对照组好,统计学检验差异有显著性。。3_军医进修学院硕士学位论文中文摘要 4.PDT治疗组PCNA阳性细胞较对照组少,图像分析结果表明面密度(阳性染色的面积总和与统计视野面积的比值)治疗组小于对照组,统计学检验差异有显著性。。 5.PDT治疗组凋亡阳性细胞较对照组明显增多,图像分析结果单位视野内阳性细胞数和面密度PDT治疗组高于对照组,统计学检验差异有显著性。凋亡细胞核直径PDT治疗组较小,与对照组相比,统计学检验差异有显著性。结论:二。CIA、AIA的病理改变类似人类RA,可作为研究RA病因、发病机制、检查及治疗方法的模型。 2。各组织对HMME的吸收速度和吸收量不同,滑膜组织比皮。
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Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.
Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。
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I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.
我来只是现在,'歼灭战perfuming自己与胡努特,那麼,他来到和SAT 。
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The shamrock is the symbol of Ireland and of St.
三叶草是爱尔兰和圣特里克节的标志同时它的寓意是带来幸运。3片心形叶子围绕着一根断茎,深绿色。