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A study on the anatomical structure and the barbloin's store place of Pulsatilla chinensis of different growth lengths by anatomy and barbloin histochemical localization shows that multicellular nodulos, secretory cavities and secretory ducts in phelloderm and secondary phloem are the primary place of the barbloin substances and the major structural characteristics, wide or narrow of the secretory ducts is related to the growth length, 4 to 5 years old reaches maximum.

利用解剖学和组织化学定位方法对不同生长龄白头翁根的解剖结构和皂苷的储藏场所进行了研究。结果表明:栓内层和次生韧皮部中的分泌细胞团、分泌腔和分泌道是白头翁根的主要结构特征,是皂苷类物质的主要贮存场所;而分泌腔和分泌道的数量及分泌道的宽窄与生长年限相关,4~5年生达到最大值

The collisional absorption of the right circularly polarized wave and the left circularly polarized wave propagating parallel to the magnetic field by inhomogeneous magnetized plasmas is discussed, and the attenuations are calculated under different conditions.

讨论了不均匀磁化等离子体片对平行于磁场方向传播的左、右旋圆极化电磁波的碰撞吸收,计算了不同条件下衰减率。计算表明,当电磁波的频率接近电子碰撞频率时,磁等离子体对电磁波的吸收达到最大值

Based on the water and fertilizer coupling experiment in corn field,one-dimensional soil moisture content model containing the water uptake corn roots is used in this paper to simulate the evapotranspiration and the water uptake of corn roots and the change of soil pondage and soil moisture budget under the different water and fertilizer coupling conditions in corn field.

结果表明:在玉米生长初期以棵间蒸发为主,其后则是以植株蒸腾为主;玉米在30~40 cm土层吸水速率达到最大值;玉米灌水量为田间持水量的70%与85%对土壤0~80 cm土层贮水量的贡献是相等的,并且高肥力在一定程度上可增强根系的吸水能力,高灌水可增强玉米根系对养分的吸收利用,但对于提高水肥利用率来说,理想的处理为中肥中水。

On the basis of the above analysis, the temporal and spatial distribution features of precipitable water vapor in GPS in North China are analyzed.

结果表明:可降水量在时间上先升后降,7、8月达到最大值;在空间上由北向南递增;可降水量的日变化特征不十分显著,仅表现为小幅度波动。

As the time of ball milling increases in powder processing, the remanence and alignment of magnet gets better, and then decreases after the maximum point.

粉末球磨过程中,随着球磨时间的增加,磁体的剩磁和取向度增加,达到最大值后开始下降。

The results show that: if we do so, tensile index, tear index and burst index of paper have been improved when replacing 30% of carbon black with lignin can increase the tenability rate of the Fruit Raising Outer Pouch, it comes to the maximization when the dosage of lignin.

结果表明:用木素来代替炭黑30%时,纸的抗张指数、耐破指数、撕裂指数都有所提高,伸长率达到最大值

The results showed that 50Hz magnetic field at 0.4mT transitorily induced the activation of P38 MAPK at 10 to 15min, while 0.1mT 50Hz magnetic field did not induce the activation of P38 MAPK within 24h.

结果提示CHL细胞经0.4及0.8mT工频磁场辐照处理后,可呈时相性增强SAPK磷酸化,并且均在15min时达到最大值,SAPK磷酸化分别提高20%和17%;同时SAPK激酶活性也相应增强,分别是对照的2.9±0.4和2.1±0.9倍。

There are similar changes of ABA concentrations both in xylem and root.

在土壤干旱的初始阶段叶片中ABA浓度急剧增加,到干旱第3天时即达到最大值(=1.63nmol·g-1FW)。

L1 (near-ambient) or 100 lL ? L1 CO2. Transcripts of the principal Ci and NO3 assimilatory genes RUBISCO LSU and nitrate reductase displayed very strong diel oscillations with peaks at the end of the scotophase.

Ci 和NO3-同化基因的转录本RUBISCO LSU和硝酸盐还原酶显示出非常强烈的昼夜节律的波动,并在夜间末期达到最大值

And the effect of different carbon source for the SYPS-062 and Corynebacterium glutamicum ATCC13032 fermentation were studied. The experiment result showed that the sucrose was 60 g/L, the yield of L-serine and biomass reached the maximal value, 6.6 g/L and 8.1 g/L respectively.

同时考察了碳源对菌株SYPS-062发酵产L-丝氨酸的影响,实验结果表明,当蔗糖浓度为60 g/L时,菌株SYPS-062生物量和L-丝氨酸的积累均达到最大值,分别为8.1 g/L和

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