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The results show that the tiller number, biomass accumulation, contents of soluble sugar and proline, and activity of SOD isozyme of E+ plants were significantly higher (P.05), but malondialdehyde content significantly lower (P.05), than those of E-plants. In conclusion, endophyte infection improved the salt tolerance of wild barley under outside pot conditions.

结果表明：在高盐浓度300 mmol L^(-1下内生真菌显著提高了宿主野大麦分蘖能力、生物量积累、可溶性糖含量、脯氨酸含量、SOD酶活性(P.05)，同时降低了丙二醛含量，说明内生真菌的侵入有利于提高宿主野大麦在室外盆栽条件下的耐盐性。

Initiation of the 6-month treatment with bena zepril induced a signif icant drop in MABP, UAER and ACE levels in all three groups(P＜0.05), but th e reduction was significantly greater in patients with II genotype (UAER 58.6%, MABP 2.87 kPa, ACE 72.3%), compared with patients with either ID or DD geno type (P＜0.01, respectivly).

结果：苯那普利治疗后3组UAER、MABP、ACE均下降，以II型组下降幅度最大(分别为58.6%、2.87kPa和72.3%)，DD型组下降幅度最小(P＜0.05)；而Ccr在DD型组下降幅度最大，II型组下降幅度最小(P＜0.05)；多元线性逐步回归分析显示：ACE基因型对UAER下降率有显著回归效果(R2=0.72，P＜0.001)。

For fixed generalized reflection matrix P, i.e., P^T=P, P^2=I, then matrix X is said to be generalized bisymmetric, if $X=PXP$ and $X=X^T$.

对于某个广义反射阵P，满足P^T=P， P^2=I，那么称矩阵X是广义双对称的，如果满足X=PXP及X=X^T。

Results:There were more sig n ificant decrease in Pt、Po、FI and FRI,more significant lengthening in TPT and 1 /2RT in 10 Hz and 20 Hz groups(P＜0.01).However,there was completely opposit e effect in 50 Hz and 100 Hz groups.

结果：①同对照组作比较，10 Hz和20 Hz组的Pt、Po、Pt ／Po 明显月经降低(P＜0.01)，TPT和1／2 Rt 明显月经延长(P＜0.01)，FI和FRI 明显月经下降( P＜0.01)。50 Hz和100 Hz组出现完全相反的效应(P＜0.01)。

By comparing with known compound A2'P 5'A,it was shown that two ribose rings of a and b adopt predominantly S conformation at 18℃, but with elevation of temperature, the N conformation of some ribose ring increaed: the torsional angles e' and β of the phosphate backbone were estimated to have a change of +2° and ±12°respectively; two ribose rings of both A2'P(CH3)5'A and were partially overlapped and the degree of overlapping of was smaller than that of the : with increasing of temperature, the adenine moiety of A2'P(CH3)5'A showed a stronger tendency to unstack than A2'P(CH3)5'A .

它们与A2′P5′A相比发现：(1)在18℃时两个核糖环是S型构象占主要成分，但随温度升高有的核糖环趋向于转化成N型构象；(2)磷酸骨架的扭角ε′和β分别改变±2°及±12°；(3)A2′P(CH_3)5′A和的两个核糖环均属部分重叠，并且前者的重叠程度小于后者；(4)随着温度升高，A2′P(CH_3)5′A比A2′P(CH_3)5′A有着更强的去堆积效应。

At last,a convergent and general protocol to marine natural product,as demonstrated by the enantioselective total synthesis of malyngamides O,P,Q,R, 5"-epi-Q and 5"-epi-R bearing terminal vinylic chloride structure,was developed in detail.E,(7S)-7-methoxytetradec-4-enoic acid was prepared using the above described Johnson-Clainsen rearrangement,the terminal vinyl chloride was constructed using Wittig reaction as key step,the pyrrolidone derivative was constructed using L-serine as natural chiral pool.Starting from the synthesis of malyngamides O and P to explore the general route,an aldol reaction of methyl acetate with the vinyl chloride part in the presence of LDA gave the skeleton of amine portion,followed by amidation with the fatty acid finished the synthesis of malyngamide P.

先以malyngamides O和P为试点探索通用合成路线，将乙酸甲酯和烯氯部分在LDA存在下进行aldol反应得到氨部分的骨架，再将手性不饱和脂肪酸和氨部分进行酰胺化反应完成了malyngamide P的合成，将P在碱性条件下进行烯醇甲基化反应完成了malyngamide O的全合成。

With the elevated glucose and time extending,the expression was lower and the translocating rates was decreased,which was Hgroup＜Egroup＜Bgroup,(p＜0.01 or 0.05). Conclusion Short-term exposure ofβ-cells to high concentration of glucose triggers the synthesis and secretion of insulin.

结果为：A、D、G组培养24h及48h的N／C值均无统计学差异(p＞0.05)，B、E、H组培养24h的N／C值减少，存在统计学差异(p＜0.05)，48h的N／C值组间比较统计学差异显著(p＜0.01)。C、F、I组培养24h的N／C值下降趋势，但无统计学差异(p＞0.05)，48h的N／C值组间比较存在统计学差异(p＜0.01)。

W h e th er a plan et can sup p o rt life de p e nd s on th e size and br i gh t ness o f its star, th at i s its 'sun'.

是否一行星能维持生命取决于那大小和亮度的它的恒星，那是它的&太阳&。

A/DK/Hubei/216/83(H7N8) shared 96%～98%homology with different subtypes avian influenza viruses which isolated from HongKong during 1972～1997, in addition, evolutionary analysis showed that the remainingfive gene except NA and PB2, had close phylogenetic relationship with 1972～1997strains. A/DK/Hubei/137/83(H10N4), sequence similarity analysis revealed that theNS, PA, PB1, PB2 gene shared 98%～99% homology with the 1997～2004 H5N1subtype avian influenza virus strains, and except NA and M gene, the other five geneformed independence branch with their own, and the distance between the otherisolates were far.

前者HA氨基酸剪切位点序列为P-E-V-V-Q-G-R，后者HA剪切位点序列为P-E-I-P-K-R；2株病毒的NA在第48位氨基酸后无20个氨基酸的缺失；NS蛋白的第79～84位也没有氨基酸的缺失，不具有高致病性特征；A／DK／Hubei／216／83(H7N8)与香港1972～1997年不同亚型AIV的同源性为96％～98％，进化分析表明，除NA和PB2独自成一支外，其余5个基因都与1972～1997年毒株亲缘关系较近。A／DK／Hubei／137／83(H10N4)除NA和M基因外，其他5个基因分别独立自成一支。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。