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The time and frequency of the polecat searching different preys and burrows were nearly the same. The polecat attacked virtually all prey offered and thus exhibited opportunistic foraging behaviour. However, it did not captured all prey with equal sequence. It first captured the zokor, then the pika and last for the root vole. In addition to using the typical musteline killing method of biting the nape of the neck, the polecat evolved a variety of killing methods suited to a range of prey types depending on the activity, size and anti-predation ability of prey. The zokor was bitten on the head, whereas the pika was killed by bites to the head or throat and the root vole was killed by bites to the head or chest. The time polecats pursued the root vole was the longest, followed by that used in pursuing the pika and the zokor.

实验结果表明：艾虎对三种猎物的搜寻时间和搜寻频次基本一致，在搜寻猎物的过程中并非已知洞道系统中所存在的食物信息，是一种机会主义的捕食者；艾虎除了具有典型鼬科动物捕杀猎物的方法外，能够根据猎物的大小、活动性和反捕食能力采用不同的捕杀方法，在捕杀猎物的过程中首先捕杀高原鼢鼠，其致死部位全部为头部，其次捕杀高原鼠兔，其致死部位除了头部外，明显增加了颈部的比例，最后捕杀根田鼠，其致死部位主要是头部和胸部；艾虎在捕杀猎物的过程中，追击根田鼠的时间最多，追击鼢鼠的时间最少，而用于捕杀根田鼠的时间最少，用于捕杀鼢鼠的时间最多，艾虎捕杀高原鼠兔后单位时间内获得的能量值最大，其次为捕杀高原鼢鼠，而捕杀根田鼠后单位时间内活动的能量值最小。

Chapter 2 centres around the spiritual contents of her works. It penetrates through the skin to their core, that is, the tragic sense. Her works take the most ordinary people as characters. Unexpectable elements befall on these people, change their fate considerably. The helplessness of being fooled by destiny overshadows most of her works, leaving readers sign in vain. Then, her portrayal of characters bears a tinge of rootlessness, unsteadiness loneliness, filling the works with deep pensive mood. And finally, she exposes the ugliness of man from this covering of brilliance. Man dares not face his true being. What he shows and sees of himself tends to be his bright side. But his ugly side steels out, which gives himself a deadly blow.

第二章围绕作品的精神内蕴展开论述，侧重于由表及里的层层挖掘，悲剧意识构成王安忆作品精神内蕴的核心，其作品多写芸芸众生，在展现这些人的人生际遇时，难以预料的偶然因素总是改变着他们的命运，宿命感使作品笼罩在虚无的阴影之中，令人怅然；其次作家在写人物时，那种无根的漂泊感、孤独感，使作品有着深深的悲凉意蕴；再次就是对隐藏在绚烂表象之下的人的丑陋本质的发现，人总是无法面对自己真实的存在，看到的或表现出的总是冠冕堂皇的一面，但是那丑陋的一面总会在不经意中呈现出来，给人以毁灭的打击。

Using colchicine for the induction of polyploidy plants is one of the ways of artificial induction. Colchicine, root length and light were selected as the influencing factors to induce polyploidy Amorpha optimal with the root tip smeared, to explore the optimal induction conditions for polyploidy Amorpha optimal.

用秋水仙素对植物进行多倍体诱导是人工诱导的方法之一，为了探究诱导紫穗槐多倍体的最优化条件，选取秋水仙碱，根长以及光照情况3个影响因素，对紫穗槐根尖进行涂抹处理诱导多倍体。

Interactions within the rhizosphere are based on complex exchanges involving surrounding plant roots and are highly influenced by edaphic factors.

越来越多的试验表明，根分泌物在根与根、根与根际微生物间起着重要作用，并以其为媒介在植物与环境的相互作用中起着传递信息的作用。

When earlier place upside still does not have apparent symptom, root ministry grows to already was affected, radicle root needle grows stop, and cerebral cortex continues to add thick, in close root needle section chief gives very much new root, serious Shi Yougen dies, typical symptom is long around dead root piece short thick and much more ramose root group.

初期当地上部还无明显症状时，根部生长已受到影响，幼根根尖生长停止，而皮层继续加厚，在近根尖处长出很多新根，严重时幼根死亡，典型症状是在死根四周长出短粗且多分枝的根群。

In the present study, two soybean genotypes (BZ10 and BL2) differing in root architecture and phosphorus efficiency were intercropped with a maize cultivar (Huatian 1) in a field experiment to assess the effects of soybean root architecture on nitrogen and phosphorus nutrition of the intercrops.

在温室的根箱试验中发现，浅根型、磷高效率的大豆品种巴西10号根系在土壤有效磷相对较高的表层分布较多，其表层的根系数量和长度均显著地高于深根型、磷低效率品种本地2号。同时巴西10号的根系与玉米根系接触较多。

This utility model disclosed a multifunctional medical bed, which includes bedstead, bed board and the ups and downs institutions, bedstead has a four box beams, two fixed and two longeron longeron Events, bed board are four longitudinal medial convex-concave shape of the edge was the cross-cutting board, threeéups and downs, including the board and connected the three screw or hydraulic cylinder, the multi-functional medical bed may also include raised his sick body.

本实用新型公开了一种多功能医用床，它包括床架、床板和起落机构，床架四框内有一根横梁、两根固定纵梁和两根活动纵梁，床板是四块纵向内侧边缘呈凹凸形状相互交叉的板子，起落机构包括三块樘板和与其连接的三个丝杠或者液压油缸，该多功能医用床还可以包括病人抬起机构。

The company believes has long term plans to expand its presence in china, and our approach is "long on east, and short on west".nwe are looking for suitable candidates to be part of our china team, and he must possess strong mental and analytical ability, and most importantly, a self driven mindset to succeed, and the desire to differentiate from the pack, taking "road less traveled", and being innovative passionate and positive, which are key to success.n斯考根投资有限公司是完全由在奥斯陆上市的ims se投资成立.ims

集团在航运事业、造船以及液货系统制造方面拥有多项发展意向。公司在中国有长期计划以扩大发展，我们的策略是&东方长线投资，西方短线收益&。n我们持续寻找合适人才加入我们的中国团队，他需具备较高的心理素质和较强的分析能力，最重要的是，拥有积极进取的成功信念，脱颖而出的渴望，愿意尝试&少有人走的路&，以及保持创新、激情和积极的态度，这些都是成功的关键。n

One of the most famous cases was that of a ermont railroad worker named Phineas Gage, who in 1848 suried and, remarkably, recoered rapidly from a horrific accident in which a heay iron tamping rod more than three feet in length was drien by an explosion completely through his skull.

最著名的病例是美国佛蒙特州一个名叫Phineas Gage的铁路工人。1848年他从一次可怕的事故中幸免遇难并且很快地康复了。在这次事故中，一根三英尺多长的沉重的小铁棒被爆炸气流炸飞起来穿透了他的头骨。

objective to evaluate clinical effect of the handling protaper nickel-titanium rotary instruments in preparation of canals of posterior teeth.methods 96teeth with pulpitis or periapical periodontitis were instrumented by handling protaper rotary instruments using step-down technique,and by k files using step-back technique for control.all teeth were obturated with lateral condensation methods.the efficiency of preparation was analyzed with ra-diographs before and after operation.results no transportation,apical blockage and ledge were found in test.the technique could keep canals smooth.there were two ledge,one instrument fracture and nine transportation in control.the operative time was shorter and post treatment pain seldom occurred in handling protaper group.conclusion the handling protaper niti rotary instruments can prepare the canals effectively and safety.after the preparation,the canals could be easily washed,sterilized and filled.it is an efficient instrumentation method for posterior teeth's canals and be used widely.

目的 评价手用protaper预备后牙根管的临床效果。方法选取患有牙髓炎和根尖周炎的后牙96例，随机分成试验组和对照组各48例，试验组用手用protaper多锥度镍钛旋转器械逐步伸入法预备根管，对照组用k锉，逐步后退法预备根管，两组均用侧向加压充填法充填根管，根据治疗前后的x线片，评价后牙根管预备效果。结果试验组无根管偏移、根尖阻塞、台阶，且根管壁平滑流畅，无器械折断等并发症发生。对照组有2例台阶形成，器械折断1例，根管偏移9例。试验组操作时间短且术后疼痛轻微。结论应用手用protaper预备后牙根管快速、安全，成形效果好，易于根管冲洗消毒及填充，可视为临床上预备后牙根管的有效方法。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。