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The plant expression vectors were constructed and two genes were transferred into A. thaliana and N. tabacum, antikanamycin plants were obtained.4. The trials of adventive bud regeneration directly and callus induction was conducted to select out the optimal explants and formula. The results revealed that double scale can produce 13~16 adventive buds per centimeter in MS medium added 10.0 mg/L 6-BA, 1.0 mg/ L NAA, 40 g/L sugar and 7.5 g/L agar. Scale, leaves, scape and different tissue of flower can be induced to produce callus in appropriate medium, but the filament with anther was the optimized explant.

构建了两个基因的pBI121和pCAMBIA1300植物表达载体，并通过农杆菌将上述基因转入烟草和拟南芥中，得到了卡那抗性的再生植株。4、以中国水仙不同部位外植体进行了不定芽直接分化和愈伤组织诱导分化试验，结果表明，双鳞片外植体在MS0+6-BA 10.0 mg/L+NAA 1.0 mg/L+蔗糖40 g/L+琼脂7.5 g/L培养基上可以大量地直接再生，再生芽数量平均可达13~16个/cm双鳞片，比传统的鳞茎盘之间分化提高30~50%；鳞片、叶片、花葶及花部不同组织在适宜的配方中均可不同程度地诱导出愈伤组织，但以带花药的花丝诱导出的愈伤组织最好。

G is called point-transitive if it has a point-transitive automorphism group. Let PM denote the perfect matching polytope of the graph G.

称G是顶点可传递的，如果其自同构群是顶点传递的。G的完美匹配多面体记作PM。

For a finite group G, an old theorem of Burnside asserts: each non-linear irreducible character of G must vanish on some element.

设G为有限群，古老的Burnside定理指出：G的每个非线性不可约特征标至少在一个共轭类上取零值。

Under the optimum conditions, the analytes could be separated within 17 min in a 75 cm length capillary at a separation voltage of 18 kV in a 10 mmol/L borate buffer (pH 8.2). A 300 μm diameter carbon disk electrode generated a good response at+ 0.95 V vs. saturated calomel electrode (SCE for all analytes. The relationship between peak currents and analyte concentrations was linear over about three orders of magnitude with detection limits (S/N=3) ranging from 78 μg/L to 110 μg/L for all analytes.

在优化的实验条件下，以直径300μm的碳圆盘电极为工作电极，检测电位为＋0.95V，在10mmol/L硼酸盐(pH8.2)的运行缓冲溶液中，上述6种活性成分能在17min内实现很好的基线分离，被测物浓度与峰电流在3个数量级范围呈良好的线性关系，检出限(S/N=3)范围为78~110μg/L。

If G has a properκ-coloring,then G is said to beκ-colorable.

若图G有一个正常κ-点染色，那么就称图G是κ-点可染色的。

The linear choosability numberΛ~l of a graph G is the minimum number k for which G is hnear vertex k-list colorable.

图G的线性点可选数是使得G是线性点k-列表可选的最小正整数，记为Λ~l。

The main component of ramie glial was pectin, hemicellulose and lignin; The single factor on degumming of ramie test was respectively analyzed with a high vigorous of pectinase KDN and TZ-888 compound enzyme （mainly xylanase and mannanase on the pH value, bath ratio, dosage of enzyme, metal ions, temperature and time.The orthogonal test of L9（34 were done by bath ratio, dosage of enzyme, temperature and time. The results showed that the best compages of KDN pectinase on degumming was 1∶12 of bath ratio,pH 8.6,1 mmol/L Mg2+,300 IU/g of KDN pectinase,35℃、6 h;the best compages of TZ-888 compound enzyme on degumming was 1∶18 of bath ratio,pH 4.0,1 mmol/L Ca2+, 500 IU/g of TZ-888 compound enzyme,45 ℃,6 h.

摘 要：本研究根据苎麻胶质的主要成分为果胶、半纤维素和木质素，用高活性的KDN果胶酶和TZ-888复合酶（主要是木聚糖酶和甘露聚糖酶）从pH值、浴比、酶用量、金属离子、温度、脱胶时间等方面进行单因素试验，然后选取影响显著的浴比、酶用量、温度，时间进行四因素三水平的脱胶试验，结果表明鲜麻采用KDN果胶酶脱胶最佳组合为浴比1：18，pH 8.6， 1 mmoL/L Mg2+，酶用量300 IU/g，温度35 ℃、时间6 h时处理，TZ-888复合酶脱胶最佳组为浴比1：12，pH 4.0， 1 mmoL/L Ca2+，酶用量500 IU/g，温度45 ℃，时间6 h进行脱胶为优化的试验条件。

The main component of ramie glial was pectin, hemicellulose and lignin; The single factor on degumming of ramie test was respectively analyzed with a high vigorous of pectinase KDN and TZ-888 compound enzyme （mainly xylanase and mannanase on the pH value, bath ratio, dosage of enzyme, metal ions, temperature and time.The orthogonal test of L9（34 were done by bath ratio, dosage of enzyme, temperature and time. The results showed that the best compages of KDN pectinase on dry ramie degumming was 1∶12 of bath ratio,pH 8.6,1 mmol/L Mg2+,20 IU/g of KDN pectinase,4℃、4h;the best compages of TZ-888 compound enzyme on degumming was 1∶18 of bath ratio,pH 4.0,1 mmol/L Ca2+, 300 IU/g of TZ-888 compound enzyme,40 ℃,5 h.

摘 要：本研究根据苎麻胶质的主要成分为果胶、半纤维素和木质素，用高活性的KDN果胶酶和TZ-888复合酶（主要是木聚糖酶和甘露聚糖酶）从pH值、浴比、酶用量、金属离子、温度、脱胶时间等方面进行单因素试验，然后选取影响显著的浴比、酶用量、温度，时间进行四因素三水平的脱胶试验，结果表明干苎麻采用KDN果胶酶脱胶最佳组合为浴比1：12，pH 8.6， 1 mmoL/L Mg2+，酶用量200 IU/g，温度45 ℃、时间4 h时处理，TZ-888复合酶脱胶最佳组为浴比1：18，pH 4.0， 1 mmoL/L Ca2+，酶用量300 IU/g，温度40 ℃，时间5h进行脱胶为优化的试验条件。

On the other hand,the conformal deformations problem is to find a metric on H2(-1), conformal to g,with the given function K as its Gaussian curvature ,that is,it is important for us to study the solvability of the conformal Gauss curvature equation in geometry analysis.

e~(2u)g，它的高斯曲率函数K满足共形高斯曲率方程Δ_gu+1+Ke~(2u)=0。另一方面，对H~2(-1)上预先给定的一个函数K，共形形变问题-寻找g的共形度量=e~(2u)g使K是的高斯曲率，即共形高斯曲率方程的可解性研究是几何分析中的一个重要问题。

The influence of oligosaccharides biocide on bacterial colony in the stem of Chinese Cotton 12 was determined by routine separation mathod.The results of two groups experiments indicated that the number of bacterial colonies in the cotton stem,wtich were treated with the oligosaccharides,was lowerthan the control group;and it dropped significantly(8.0×107CFU/g)after treating 10 days,while the control group was 4.2×109CFU/g.This results illustrated that the oligosaccharides biocide could control the cotton damping-off,and as a equaled 0.05,the oriental difference was significant.

通过常规分离方法，测定寡聚糖生物农药对中棉12品种的棉茎体内细菌群落数量的影响。2批实验结果表明喷寡聚糖后棉茎体内细菌群落数量均低于对照，喷寡聚糖10 d后棉茎体内细菌群落数量显著下降(8.0×107CFU/g)，对照4.2×109CFU/g；寡聚糖生物农药对棉花苗期病害的防治效果实验结果表明：寡聚糖生物农药对棉花苗期立枯病有一定的防治效果，且在α=0.05水平差异显著。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。