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As the track space increasing, the holding power which flexible holding parts act on sugarcane is dropping off. As the canvas layers and length of flexible holding part increasing, the track space is also increased when flexible holding parts act on sugarcane same holding power. As the length of flexible holding part increasing, the rate of slope of holding power following the track space to change would be decreased, so holding power would vary slowly. The holding power has a better linear relationship with the track space. Holding sugarcane stalk on knot or not on knot, sugarcane stalk having leaves or without leaves, the holding power would have not significant difference. Considering the structure of device and stress of sugarcane, 4-layers canvas conveyer belt was used as flexible holding part, while its length is 120mm, 160mm, or 200mm, the corresponding maximum track space is 135mm, 183mm, or 235mm. Experimental investigation of sugarcane windrowing was done on the arc-track-type flexible holding and conveying test mechanism.

随着轨道间距的增大,柔性夹持元件施加给甘蔗的夹持力逐渐减少;施加给甘蔗相同的夹持力,随着柔性夹持元件帆布帘层数和长度的增加,对应的轨道间距增加;随着柔性夹持元件长度的增大,柔性夹持元件施加给甘蔗的夹持力随轨道间距变化的斜率减小,夹持力大小的变化越缓慢;柔性夹持元件提供的夹持力与轨道间距均呈线性关系;柔性夹持元件夹在甘蔗节上还是不夹在节上,甘蔗有叶还是无叶,其施加给甘蔗的夹持力无显著差异;从夹持输送装置结构以及甘蔗的受力情况来考虑,选择4层帆布帘输送带作为柔性夹持元件更能平稳、柔和地夹持输送甘蔗,4层帆布帘120mm、160mm、200mm长的柔性夹持元件夹持甘蔗所需最大轨道间距为135mm 、183mm、235mm。

From 24h to 96h, the removal rates of NH4 -N in every experimental group were all negative indicated that when being exposure to Hg2 , Egeria najas not only couldnt remove NH4 -N from water, but also would increase its concentration.

在24-96h的处理时间内,各实验组中细叶蜈蚣草对NH_4~-N的去除率基本为负数,说明在Hg~(2 )的作用下,细叶蜈蚣草不仅不能去处水中的NH_4~-N,相反还可能使水中的NH_4~-N增加。96h内水体NO_3~--N含量变化无明显的规律性,而细叶蜈蚣草对水体NO_3~--N的去除率变化规律比较一致,先上升后下降最后比较平稳。

Stem leafless; petals less than 2 mm; basal leaves including petiole less than 1 cm

茎无叶;花瓣不到2毫米;包括叶柄的基生叶少于1厘米 5 N。

Stems erect or ascending, simple or branched, leafy or rarely leafless.

茎直立或上升,单一或分枝,多叶的或很少无叶。

Leaves borne on current year's branches, crowded, sessile, persistent on old branches after withering; spring leaves at base of current year's branches and similar or different from summer leaves; leaf blade linear, linear-needlelike, or linear subulate, usually very shallowly obdeltate to subcomplanate in cross section, apex usually pointed to awned.

叶生于当年分枝,密集,无梗,在老枝上宿存在之后蔑视;当年分枝的春天叶在基部和不同于夏天叶的相似的或;叶片线形,线形,钻形的或线形,浅非常通常在subcomplanate在横断面上,先端通常指向具芒。

In the vaneless diffuser, which was little bigger than that of vaneless diffuser. The reason was the intervention of vane enhanced the unsteady degree of the flow and expanded the unsteady effect region.

叶轮对有叶扩压器内部非定常流动的影响也没有维持到有叶扩压器的出口,非定常影响区域为大约在半径r/r〓=1.3以内的区域范围,略大于无叶扩压器内的非定常影响区域。

However, the effect from impeller did not keep to the outlet of the vaneless diffuser. Through analyzing the periodic mean field, an unsteady effect region was found within the region whose biggest radius ratio was less than 1. 2 in the vaneless diffuser. The unsteady flow at three flow rate conditions had the similar unsteady characteristic.

无叶扩压器内近前盘r-6面上锁相平均流场的分析表明,当叶轮处于不同周向位置时,无叶扩压器内的流动表现出非定常流动特性,尤其是在人口区域非定常流动特性更为明显。

Shrubs, erect, rarely treelike, deciduous; new leafy shoots from axils of leaves of past season; young shoots sometimes verticillate, not scaly, setose, pubescent or glabrous.

灌木,直立,很少乔木状,落叶;新叶状枝生自以前季节的叶的腋的;有时轮生的幼枝,无鳞片,具刚毛,被短柔毛或无毛。

Leaves and petioles glabrous or leaves abaxially clustered hairy in vein axils; petals present or absent

叶和叶柄无毛的或叶背面簇生有毛的在脉腋;花瓣宿存或无 14

The leaves soft, fat and elastic, the good; hard and inelastic, not good; The color red-brown and even, the good; uneven, black, carbonized, and putrefied such as mud and leaves not opening, not good quality.

叶质柔软、肥嫩、有弹性的好,叶底硬、无弹性的品质不好;色泽褐红、均匀一致的好,色泽花杂不匀,或发黑、碳化、或腐烂如泥,叶张不开展属品质不好。

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With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务,乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐,因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。

Closes the eye, the deep breathing, all no longer are the dreams as if......

关闭眼睛,深呼吸,一切不再是梦想,犹如。。。。。。