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The results show that the anticlinal walls of upper epidermis in Pseudocystopteris and Athyrium are a little thicker and the shape of them is wavilness; the density of stomata and the type of stomata apparatus on lower epidermis are similar.

结果显示:假冷蕨属和蹄盖蕨属植物上表皮细胞的垂周壁都有加厚,且多为波浪状;下表皮细胞的气孔密度和气孔器类型也很接近。

From the tests,we have obtained some structural variant features related with salt resistance and demonstrated the successful introduction of Rhizophora apicularta DNA into tomato.This thesis contains two parts. In the first part,the morphological and anatomical structures of the leaves were investigated. As to the morphology,some difference between control and transformed tomato were found. The leaf dimensions of the transformed tomato with unextended leaves were smaller than that of control. These structure changes should help to decrease the evaporation of water effectively and release the physiological drought resulted from saline.

本实验分两部分:第一部分、对转化番茄的形态及细胞显微结构进行观察与分析,实验表明转化番茄形态与对照相比有明显的变化,其叶面积变小,叶形收拢,这种结构可有效地减少水分的蒸发,缓解由盐胁产生的生理干旱;组织解剖结构结果显示,耐盐番茄在细胞结构上发生了明显的变异:其气孔器倾向下陷,表皮毛增多,叶脉微管组织不发达,微管束周围出现增多的贮水细胞,叶缘及其它部位表面分化出大型的多细胞分泌型结构,这些结构与转化番茄后代较强的耐盐能力有关。

The results show:the above two species of Flos lonicerae's palisade parenchyma are composed of 1 layer of cylindrical cells.But in karst areas variety palisade parenchyma is cylindrical cells .Palisade and spongy tissue have distinctly differentiation.,are both bifacial leaf.

研究结果表明:以上2种金银花栅栏组织的层数均为一层,有栅栏组织和海绵组织的分化,均为异面叶;但岩溶地区的栅栏细胞为圆柱形,非岩溶地区的栅栏细胞为长柱形;岩溶地区品种的上下表皮细胞明显比非岩溶地区的品种大,并且其栅栏组织和海绵组织的排列较非岩溶地区品种紧密;气孔都仅分布在下表皮,气孔类型为肾形,岩溶地区气孔密度大。

Both upper and lower epidermis cells are polygonal or irregular in shape in all species studied. The patterns of anticlinal walls are straight, arched or sinuous, and the raphal cuticular striastriae are occasionally observed on periclinal walls. Stomatal apparatus and secretory cells are found on the upper epidermis of several species and on the lower epidermis of all Species. The slomata apparatus mainly belong to the paracytic type and latercylic type; rarely anomocytic type occurs along with the paracytic one.

结果表明:这些植物叶片的上、下表皮细胞呈多边形或不规则形,垂周壁式样为平直、弓形或波浪状,平周壁偶有脊状条纹;少数种类上表皮还有气孔器或分泌细胞,所有种类下表皮具气孔器和分泌细胞;气孔器类型以平列型和侧列型居多,偶尔有无规则型;气孔极区呈稍角质加厚或棒状加厚,稀T形加厚。

Leaves glossy deep green adaxially, narrowly linear-lanceolate, straight or slightly falcate, 0.8-6.5(-7) cm × 1.5-5 mm, midvein green abaxially, 0.3-1.2 mm wide, flat with median longitudinal keel throughout, stomatal bands present on both surfaces, bands on adaxial surface 0.5-1.5 mm wide, of 7-28 rows of stomatal, white powdery or not, bands on abaxial surface 1.2-2.8 mm apart, 0.3-0.8(-1) mm from leaf margin, not or rarely white powdery, base decurrent, margin denticulate, sometimes indistinctly so, especially on old trees, with 18-55(-90) teeth per side, apex usually symmetric and spinescent, spine 0.3-2 mm. Pollen cone fascicles terminal, 1-3(-5) together, broadly obovoid, each of 8-20 cones, occasionally a few also around base of seed cone; peduncle 2-4 mm; cones narrowly oblong-conical.

正面的叶有光泽的深绿色,披针形狭线形,直的或稍镰刀形, 0.8-6.5(-7)厘米×1.5-5毫米,中脉绿色背面,全部的0.3-1.2毫米宽,平的具中间的纵向的脊,气孔带宿存在两面,在正面0.5-1.5毫米宽上条纹状,7-28排stomatal的,与否白色粉状,相隔1.2-2.8毫米的条纹状的在背面,从叶缘的0.3-0.8(-1)毫米,白色敷粉的或很少的不,基部下延,边缘具小齿,有时不清楚如此,特别是在古树上,具18-55(-90)齿每边,先端通常对称和具刺,刺0.3个-2毫米雄球花束簇终端,花序梗2-4毫米;圆锥形孢子叶球狭长圆形。

The results showed that, the diurnal changes of Pn of leaves in eggplant showed a double peak curve (there was a significant "midday depression" at noon), whether of Erming or Kuaiyuan; seedling stage, flowering stage, or fruits growing stage; top leaves, middle part leaves or bottom leaves. But the extent and the time of midday depression were different. The stomatal conductance, transpiratory rate, intercellular CO2 concentration, and air CO2 concentration of eggplant leave were decreased when midday depression was happened, but photosynthetic active radiation and leaf temperature were maximum. The reasons of midday depression of eggplant leaves were stomatal factors.

结果表明,茄子晴天Pn日变化无论品种是否相同、生育期是否相同、叶位是否相同(上部叶片、中部叶片和底部叶片),无一例外地表现为&双峰&曲线,即有光合&午休&现象存在,只是&午休&的时间和程度上有差异;光合&午休&时气孔导度、蒸腾速率、细胞间隙CO2浓度、大气CO2浓度均下降,而光合有效辐射和叶片温度此时几乎处于最大值,茄子光合&午休&是由气孔因素引起的。

It shows that the average thickness of the surface layer of crystals,the palisade and cone layer and the eggshell membrane are 20.8,220.8 and 62.5μm,respectively,which accounting for 6.8%,72.6% and 20.6% of the total thickness of the eggshell.There are many vesicular holes in palisade layer with an average diameter of(0.32±0.08)μm(n=30).The function of such holes may be of significant to air exchange.The shape of eggshell pore on the surface layer of crystals is round or ellipsis.The fracture surface of the pore is funnel-shaped.

结果表明:白冠长尾雉卵壳的表面晶体层、栅栏锥体层和壳膜层的厚度分别为20.8,220.8和62.5μm,分别占卵壳总厚度的6.8%,72.6%和20.6%;栅栏层有很多蜂窝小孔,其直径为(0.32±0.08)μm(n=30);卵壳表面有许多圆形或椭圆形的气孔,可能与胚胎发育过程中的气体交换有关,气孔横断面呈细漏斗状,在其上半部有颗粒状填充物。

Especially for the fluid containing sand, cutting may damage the sealing surface 5, soft sealing gate valve of the operating temperature limits by the valve seal material good throttle control when needed (such as control valves or bypass pipe had a small vent), the cut-off valve is the most appropriate valve.

尤其对于含有砂的流体,节流会损坏密封表面 5、软密封闸阀的操作温度受密封材料的限制截止阀当需要好的节流控制(如控制阀的旁通管路或有小的排气孔)时,截止阀是最合适的球阀。

Especially for the fluid containing sand, cutting may damage the sealing surface 5, soft sealing gate valve of the operating temperature limits by sealing material Valve When the need for good throttle Cast Gate, Globe, Check Valves control (such as control valves or bypass pipe had a small vent), the stop valve is the most appropriate Ball When the operating temperature between-29oC to 200oC, most manual valve suitable for hydrocarbon and utility systems operations, the use of the ball at 100oC above, applications should be carefully considered when the temperature of the soft sealing material limit should be more than 100oC.

尤其对于含有砂的流体,旋塞阀节流会损坏密封表面5、软密封闸阀的操作温度受密封材料的限制截止阀当需要好的节流控制(如控制阀的旁通管路或有小的排气孔)时,截止阀是最合适的球阀当操作温度在-29oC至200oC之间时,大部分手动球阀适应于烃及公用系统的作业中,在100oC以上使用的球阀,应用时要仔细考虑软密封材料的温度限制应该在100oC以上。

There are direct-acting identification method,jar or bottle identification method,steel tube identification method and hole identification method.Steel tube identification method and hole identification method are better than others method for forensic science,because these two methods have the higher credibility.

目前已经形成的警犬鉴别人体气味的方法有直接鉴别法、罐内或瓶内鉴别法、管式鉴别法和气孔鉴别法,由于管式鉴别法和气孔鉴别法的鉴别结果有较高的可信度,故被法庭科学认为是2种较好的鉴别人体气味的方法。

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