多根的

It was found that: the failure form of the stubble will be splitting and breaking when the stalk is cut by single blade; And it will be axial direction crack by torsional shearing stress, splitting and breaking by bending stress when the stalk is cut by two or more blades one by one.

结果表明：甘蔗茎秆受一刀切割时，根茬破坏的模式有劈裂和弯曲断裂；受两刀或多刀切割时根茬破坏模式有因扭转而产生的纵向裂纹，因弯曲而产生的劈裂和弯曲断裂。

This paper brief introduce numerical method of algebraic equation,points out their shortcoming of missing multiple root and put forward one new kind of method--multiple derivation numerical method.

本文对通常代数方程的数值计算方法特点进行了简介并给以分析，指出了这些解法无法得出重根数的缺陷，提出了一种新的解决方法———多次求导数值计算法，使得数值计算法更加清晰、明了，且可得出重根数。

The activities of catalase, polyhenol oxidase, urease, protease, saccharase of grafted eggplants were higher than those of the control, but the activities of peroxidase and phosphatase were obverse.

嫁接茄子的过氧化氢酶、多酚氧化酶、脉酶、蛋白酶、蔗糖酶的活性均高于自根茄子，但过氧化物酶和磷酸酶的活性自根茄子高于嫁接茄子。

MB1 root canals of the mesiobuccal root canals in maxillary molars were found obvious curve out by the rate of 82.5% in mesiodistal direction, 77.5% in buccolingual direction and there is no difference of curvature degree in the two directions.

结果：1上颌第一磨牙腭侧根管通畅、较直。2远中颊侧根管在近远中方向有80%，颊舌方向有45%出现大于5的明显弯曲，弯曲位置多位于根中1/3，且近远中向的弯曲明显大于颊舌向(P.05)。3上颌第一恒磨牙近中颊根颊侧根管在近远中方向、颊舌方向分别有82.5%、77.5%出现大于5的明显弯曲。

The predecessors have studied a lot to the pharmaco-analysis of the puerarin from clinical.They found that the puerarin is a effective medicine for the endeictic of high blood pressure,hyperlipemia,coronary artery disease,angina cordis,cerebral thrombosis,and at the same time,the therapeutic efficacy of puerarin is very effective to preserve the arterial blood vessel endothelial,to treat the disease of artherosclerosis,to prevent the thrombogenesis.

前人多从临床的角度对葛根素进行过药理分析，发现葛根素对于高血压、高血脂、冠心病、心绞痛、脑血栓等症状的治疗效果突出，对保护动脉血管内皮细胞、阻止动脉粥样硬化，防止血栓形成的作用也十分明显。

It is made up of a guide needle (11) which houses two or more active radio-frequency wires (14, 15) connected at their proximal end to a radio-frequency generator and each one having a spiraled, helicoidal or spiral, distal segment 14'.

其由引导针(11)构成，该引导针藏有两根或更多活动射频导线(14、15)，该导线在其近端连接到射频发生器，并且每根导线具有绕成螺旋的、漩涡状的或螺旋状的远端段(14′、15′)。

Lithocarpus polystachyus Rehd with rich valuable flavonoid and phloridzin, is an abundant plant resource in our country, located mainly as wild plants in the mountain area in southern China, and its rich resource of flavonoid and phloridzin has not been developed.

多穗柯是我国特有的一种丰富植物资源，富含价值很高的黄酮类及其根皮苷，目前主要以野生状态分布于江南山区，其丰富的黄酮类及其根皮苷资源尚处于完全未被开发利用状态。

Sweep gold machine and the adoption of four special arrangements for mutual funds, turned to the contrary between the reciprocating motion, and two with qiangli on the aliquation pipeline, together with the subsequent adsorption multi-road ultravacuum sweeplng and circulatory system, this can be a clean rapidly Qing prunean powder on paper, not recreate the leak.

扫金机又采用四根特殊揩金带，进行相互之间转向相反的往复运动，并且后面两根带有强力吸气管道，再加上后面的高真空吸附多路清扫循环系统，国此可干净迅速地扫清纸张上多余的金粉，没有金粉泄漏。

The deep cultivation-root cutting in before winter stage would increasethe weight and ratio of root system in middle and lower layer,the resultswould decrease the root redundancy.

冬前深耘断根可增加中、下层根系的重量和比率，降低根系生长冗余性，控制最高总茎数，提高成穗数及成穗率，使籽粒产量中来自花后光合器官输送的比例增加，从而使产量提高，因而在旱地高产麦田应推广冬前深耘断根。6研究了降水量对旱地高产小麦耗水规律及产量的影响，拔节前降水多且占比重高，土壤供水量及占比重少，拔节后降水量减少且占比重低，土壤供水量及占比重高，利于在旱地高产麦田形成高产。

When an optical fiber bundle was made of a large-core polymer optical fiber or a liquid-core optical fiber,the value of packing fraction was 100%.In the range of visible light or ultraviolet light,it is much more advantageous to choose an optical fiber bundle made of a large-core polymer optical fiber or a liquid-core optical fiber.

而单根粗直径聚合物光纤和液芯光纤配用圆形端套制作的光纤传光束，其敛集率为100%，在可见光或紫外光范围内，选用单根粗直径聚合物光纤或液芯光纤传光束具有更多的优势。

Fancy gold-plated dangling earrings with facetted White Opal crystals.

花式镀金悬垂耳环与facetted白欧泊水晶。

This essay chooses the study aim from biology teachers in middle school in Shi Jiazhuang which tells us that most of the middle school biology teachers in Shi Jiazhuang have the"burnout", lower successfulness, individualize.

本文选取石家庄市初中生物教师作为研究对象，运用问卷调查的方法对石家庄市初中生物教师职业倦怠的现状进行调查，调查结果发现，石家庄市初中生物教师这一群体普遍存在职业倦怠，情感枯竭程度偏高，成就感偏低，去个性化程度最为严重。