导叶

In order to discuss the signal transduction mechanism,wheat cultivar Lovrin10 and different leaf rust fungus races were used to form compatible and incompatible interaction groups to study the role of drugs affecting calcium metabolism and calcium channel on HR induced by wheat leaf rust fungus.

为进一步探讨小麦抵抗叶锈菌侵染的防卫反应的信号转导机制，利用小麦品种洛夫林10和不同叶锈菌生理小种组成亲和与不亲和组合，研究影响Ca2+代谢和钙通道的药物对小麦受叶锈菌侵染后诱发的HR的作用。

On the basis of analyzing the principles of interleaver filters of the interference of polarized light and planar lightwave circuit-type lattice structure, the equivalent mathematical representation of the spectral transmittance of the two kinds of interlearers is revealed. The equivalent relationships of the structural parameters of them are given.

在分析比较双折射晶体偏振光干涉型和平面波导环形格子结构型光交错复用滤波器原理的基础上，揭示了两者在光谱透射率的数学上的等效性，给出了两者结构参量之间的等效关系，可以直接利用经简单傅里叶级数对比法获得的晶体的结构参量对平面波导环形格子结构型光交错复用滤波器进行结构设计。

After pretreatment with Ca(NO3)2,W7 and TFP in improving and blocking Ca2+*CaM messenger system, membrane damage in strawberry leaf was relief by Ca(NO3)2treatment, at the meanwhile, salt damage index was reduced, the content of prolinc and chlorophyll were enhanced, Pn, EVAP and GS were improved, ABA content in root and leaf was reduced, the content of ZTJAA, GA and ZT/ABA were enhanced, the content of unaturated fatty acid increased, whereas, saturated fatty acid content in leaf and root was reduced, the rate between unaturated fatty acid and saturated fatty acid and index of unaturated fatty acid were enhanced.

在Ca(NO_3)_2、W7和TFP喷叶预处理促进或阻碍Ca~(2+)·CaM信使系统传导后，发现Ca(NO_3)_2处理能减轻叶片的膜伤害，降低盐害指数，增加脯氨酸含量和叶绿素含量，提高净光合速率、蒸腾速率、气孔导度，降低根系和叶片中的ABA含量，增加ZT、IAA和GA含量和ZT/ABA比值；提高叶片和根系中的UFA含量、U/S比值和IUFA，降低根系和叶片中的SFA含量。

The results showed that:The reductions in the shoot and root dry weights, leaf area,stern diameter of grafted plants were lower than those of ungrafted plants under the same NaCl stress.Na~+,MDA,H_2O_2 contents,O_2~- producing rate,Na~+/K~+ ratio, Na~+/Ca~(2+) ratio were lower,whereas K~+,solube sugar,shoot water content,SOD,POD, CAT,APX activity,the stability of AsA/DHA,Photosynthetic rate,transpiration rate and stomatal conductance in the leaf of grafted plants were higher than those of ungrafted plants at the same NaCl stress.Intercellular CO_2 concentration of grafted plants decreased whereas that of ungrafted plants increased significantly under salt stress.

结果表明，盐胁迫下，嫁接苗地上部和根干重、叶面积、茎粗受抑制的程度显著低于自根苗；嫁接苗叶片中Na~+、MDA、H_2O_2含量、超氧阴离子产生速率、Na~+/K~+和Na~+/Ca~(2+)比值显著低于自根苗，而叶片中K~+含量、可溶性糖含量、地上部含水量、SOD、POD、CAT、APX活性、AsA/DHA的稳定性、光合速率、蒸腾速率、气孔导度显著高于自根苗；嫁接苗的胞间CO_2浓度显著下降，自根苗的则显著上升。

In addition,the leaves of the control plants appeared to be much reder than the transgenic tomato,and the change were obvious followed by far from the treated time at low temperature,which suggested that the constituently expression of the chloroplast sHSP had some protective fountions to the tomato at low temperature.2 Effect on contents of MDAMDA is the product that membrane lipid peroxide and the contents of MDA in plants can reflect the degree of the damage that the plants are encountered to some extent.

低温处理6周后，转基因苗叶片中chla，cib含量及叶绿素总量明显高于对照，反应叶绿体中类囊体垛叠程度的chla／the比值也大于对照，可见冷害条件下转基因植株体内叶绿素的破坏程度小。4））t％hs用：低温Al：Pll6周，测定植物光合作用的重要指标净光合速率、蒸腾速率、气孔导度、胞间隙CQZ鹏，结果显示赂因番茄的即雏率、蒸腾速率、气孔导度均明显高于对照，而胞间隙COZ 氏于对照。

Casting anchors, such as: Type AC-14 Anchor, Spek anchor, Baldt Anchor, Hall anchor, Danforth Anchor, USN Stockless Anchor, Type JIS Stockless Anchor Four-Fluke anchor and so on. Fabricated Steel Stockless Anchor: RS-22(D'Hone Anchor), RS-18, RS-19, RS-26, RS-29 and so on; Steel castings: rudder blade, hang rudder arm, plane rub rudder bearing, cable wheel, roller fairleader, mooring pipe, anchor mouth, ship bottom hinge plate, stern, closed and opened hook, gear, annulus, bearing bracket and so on.

铸钢锚有：AC-14锚、斯贝克锚、贝尔锚、霍尔锚、丹福尔锚、美式无杆锚、日本无杆锚、四爪锚；钢板焊接锚有：RS-22、RS-18、RS-19、RS-26、RS-29等；铸钢件有：舵叶、挂舵臂、平面摩擦舵承、锚链轮、辊子、导缆滚轮、导缆孔、锚唇、船底铰链板、封闭和开口式钩子、艉柱、齿轮、齿圈、轴承座等各种铸件。

The results showed that the growth of Jinguang plum seedlings were remarkably restrained by salt stress. With the increasing of salt concentration, the plant height, leaf area, leaf fresh weight, leaf dry weight, stem dry weight and root dry weight were remarkably decreased, and the chlorophyll content, photosynthesis rate, transpiration rate and stomatic conductance in leaves were declined too, but the intercellular CO2 concentration was inclined.

结果表明盐胁迫抑制了金光杏梅幼苗的生长，随着盐浓度的升高，金光杏梅的株高、叶面积、叶鲜重、叶干重、茎干重、根干重均显著降低；叶片叶绿素含量、净光合速率、蒸腾速率、气孔导度亦显著降低，且盐浓度越高，下降幅度越大；细胞间隙CO2浓度随着盐浓度增加而增大，表明盐胁迫下非气孔因素是导致金光杏梅叶片光合速率下降的主要原因。

The comparative research results showed that:(1)Thediurnal variation of the net photosynthetic rates in the aquatic leaves was a "double-peak", with an various "midday-decline", the time of the peak value appeared at about 10:00 A.M. and 13:00 P.M., while that in the xeric leaves was showed with invarious peak value and "midday-decline"; The diurnalvariation of transpiration ratesof both aquatic and xeric leaves appeared as a single-peak, the appearance time of peak value of the latter was earlier than the former and gradually decreased in the afternoon; The stomatal conductances appearance time of both of them were close to that of photosynthesisrate ,reached to the maximum in the morning and then gradually decreased: Diurnal variation of intercellular CO2 concentrationshows that: both aquatic and xeric leaves increased at first, and then exhibit a tendency of ascending within narrow range.(2) The net photosynthetic rates, photosyntheticallyactive radiation, stomatal conductances and transpiration ratesof both two kinds of leaves showed positive correlation, The correlation degree among them was prominent, there was significant negative correlation between The net photosynthetic rates and intercellular CO2 concentration.

研究结果表明：(1)水生叶片净光合速率的日变化曲线呈双峰型，出现明显的&午休&现象，峰值出现在10：00左右和13：00左右，但旱生叶片表现出的峰型和&午休&现象不明显；两种叶片的蒸腾速率日变化曲线表现为明显的单峰型，旱生叶峰值出现时间早于水生叶，中午过后逐渐下降；两种叶片气孔导度峰值出现时间和光合速率相近，均表现为上午升高至最高，随后逐渐下降的趋势；两种叶片胞间二氧化碳浓度日变化表现为：整体上先下降，然后有一上升趋势：(2)两种叶片的光合速率与光合有效辐射、气孔导度、蒸腾速率呈正相关，全部达到显著水平；光合速率与胞间CO2浓度显著负相关。

The new method of Fourier's expansion-difference method that was presented newly for analyzing arbitrary-shaped grooveguide is adopted in order to solve some practical application problems of wave guide in this paper.

为了更便捷地解决波导和谐振腔的实际应用问题，本文采用已提出的一种分析任意截面槽波导的傅立叶展开-差分法对这类电磁场边值问题进行分析计算。

Visual evoked potentials of twelve healthy volunteers were recorded under two conditions including normal state and one night's sleep deprived state, and were wavelet transformed to time-frequency values between 30 to 60 Hz. The inter-trial phase coherence of prefrontal lobe and the evoked response phase coherence between prefrontal lobe and occipital lobes were calculated.

在正常状态和一夜睡眠剥夺状态下提取12名受试者的视觉ERP，进行30~60 Hz的小波变换，以此计算前额叶区域的导联内相位相干，以及枕叶和前额叶之间的相位相干性。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。