不定位

Results demonstrated that the level of ROS was greater in embryo than in aleurone layer, and only very little ROS could be detected in starch. Furthermore, the ROS produced in embryo were mainly localized inside cells but not on cell membrane. By contrast, ROS from aleurone layer were accumulated on cell membrane.

结果表明：胚细胞产生的活性氧最多，糊粉层细胞次之，淀粉细胞几乎不产生活性氧；而且胚细胞产生的活性氧主要定位在细胞内，细胞膜上不产生；糊粉层细胞产生的活性氧主要定位在细胞膜。

Simulation results show that the proposed algor ithm not only has better location performance with weak observational data, but also is relatively more insensitive to the target height.

仿真结果表明，该方法不仅对弱观测数据具有较好的定位精度，而且不受目标高程约束，当目标高程不确定时，仍具有稳健的定位效果。

Results as bellows: AtSIRT1 was located in Mitochondrial as hSIRT4 of human, and maybe take part in respiration and electron transformation chain, AtSIRT2 was located in nucleolus as hSIRT6 of human, maybe play important role in extend lifespan;mutation in AtSIRT1 leaded to cotyledon of plant turn to yellow and caused short life span. Mutation in AtSIRT2 could make the color of leaf turn to purple and accumulate a lot of anthocyanin;Sirtinol, a inhibitor of SIRT which did not cause the same model of the mutation of AtSIRT1 and AtSIRT2 indicated that the mechanism of Sirtinol was different from other organism;the structure of AtSIRT1 and AtSIRT2 were similar to other known Sir2, which indicated that they maybe have the same function;AtSIRT2 was overexpressed and its activity was detected.

结果表明，1，拟南芥AtSIRT1与人的同源蛋白hSIRT4相同，定位于线粒体，可能参与呼吸作用和电子传递，SIRT2与人的同源蛋白hSIRT6相同，定位于细胞核，可能同它的功能类似，在延缓衰老及调节细胞寿命方面起作用。2，AtSIRT1突变，可引起幼苗和植株的子叶变黄和早衰；AtSIRT2突变，可引起叶片发紫，沉积大量花青素。3，SIRT蛋白的抑制剂Sirtinol不能表型模写AtSIRT1和AtSIRT2突变体，说明Sirtinol在拟南芥中的作用机制不同于其他生物。4，AtSIRT1和AtSIRT2蛋白质结构预测表明与已知的Sir2蛋白相似，揭示其功能的相似性。5，在大肠杆菌中过量表达了其中一个基因(AtSIRT2)，可体外检测其酶学活性，进一步证明其功能。

In chapter 3, we analyzed the motion near the collinear libration points in the model of circular restricted three body problem.

前者是稳定秤动点，对定位和轨控都比较有利，而后者是不稳定的，但可以是条件稳定的，其定位条件不同于L〓或L〓处。

A two-times locating method based on the gray contrast of surroundings is presented in locating central reference point. This method has better adaptability and robustness, and can basically meet for the accuracy of automatic locating center. Fourier spectral analysis is improved to obtain a more accurate ridge frequency in computing ridge frequency. The average ridge width is used in designing Gabor filters, so the filters have certain adjustability. The rotating invariance of fingerprint images is solved by the rotating of feature models in feature matching.

在中心参考点定位部分，提出了基于局部邻域灰度对比度的二次定位方法，该方法具有较强的适应性和鲁棒性，基本满足自动中心定位的准确度要求；在频率域估计中，改进了傅立叶谱分析法，提高了纹线频率计算的准确度；引入平均纹线宽度作为Gabor滤波器的设计参数，使滤波器具有一定的自适应性；在特征匹配阶段，通过对特征模板的旋转解决指纹图像的旋转不变性问题。

The investigative work in this text is divided into primarily three part: The first, pass the analysis before in to the car proceed four- wheeler fixed position examination process an instrument for using equipments with examine the method, find out its existent key problem; The second, the local four- wheeler positions the technical present condition now, aiming at some four- Wheelers fixed position parameter of the some familiar car type cant proceed the project that regulatory present condition put forward solution, and verify the possibility of the project; The third, for increases to manipulate and stabilize the function automotive, to in common use McPherson strut in car with control up and down the arm strut the excellent turning afresh.

本文研究的工作主要分为三部分：第一，通过剖析以前在对汽车进行四轮定位检测过程中所使用的仪器设备和检测方法，找出其存在的主要问题；第二，就目前国内四轮定位技术的现状，针对一些常见车型的某些四轮定位参数不能进行调整的现状提出解决的方案，并验证方案的可行性；第三，为了提高汽车的操纵及稳定性能，对汽车常用的麦弗逊悬架和上下控制臂悬架重新进行优化。

To cooperate with new and old parts: although standard zero, components, but in between interchangeable in assembly parts, and to make the optimal coordination between trim, still needs a lot of work, such as the gear and rack, boring if after removal of gear various performance indicators are used by detecting without the need to change, and to replace worn rack, rack and rack positioning pin hole on installation bolt holes and should be first, reoccupy hand crossed positioning drills and tapered reamer to match the drill and match hinge, and after the installation of new and old super-modulus gear mesh clearance to achieve technical standards, this work takes about one day.

。新，旧零部件重新配合过程：尽管标准零，部件间具有互换性，但在装配中，要使新旧零部件间的配合达到最佳状态，仍需大量的修整工作，如镗床的齿轮与齿条，若拆卸后齿轮的各项性能指标经检测尚能使用不需更换，而齿条磨损严重需更换，那么齿条及齿条安装面上的定位销孔和定位螺钉孔就需先划线定位，再用手电钻及锥形铰刀重新配钻和配铰，且新齿条安装完毕后与旧齿轮的啮合间隙需达到技术要求的标准，此项工作需时约一天。

To cooperate with new and old parts: although standard zero, components, but in between interchangeable in assembly parts, and to make the optimal coordination between trim, still needs a lot of work, such as the gear and rack, boring if after removal of gear various performance indicators are used by detecting without the need to change, and to replace worn rack, rack and rack positioning pin hole on installation bolt holes and should be first, reoccupy hand crossed positioning drills and tapered reamer to match the drill and match hinge, and after the installation of new and old super-modulus gear mesh clearance to achieve technical standards, this work takes about one day.

。新，旧零部件重新配合过程：尽管标准零，部件间具有互换性，但在装配中，要使新旧零部件间旳配合达到最佳状态，仍需大量旳修整工作，如镗床旳齿轮与齿条，若拆卸后齿轮旳各项性能指标经检测尚能使用不需更换，而齿条磨损厉害需更换，那么齿条嘉逸条安装面上旳定位销孔和定位螺钉孔就需先划线定位，再用手电钻及锥形铰刀重新配钻和配铰，且新齿条安装完毕后与旧齿轮旳啮合间隙需达到技术要求旳标准，此项工作需时约─天。

Enormous kinds of hub in different shapes are fastened and located by the chuck in various ways, such as fastened with external swing pressure plate and internal hook pressure plate (pressure plate to rotate by 90° to facilitate loading/offloading of workpiece), gripped with claw, and fixed positioning and moveable positioning, etc.

轮毂的品种很多，形状差别较大，卡盘的夹紧和定位方式各不相同，有外部摆动压板夹紧式和内部钩形压板(压板可转位90°，便于装卸工件)夹紧式，还有卡爪抱紧式等，有固定定位式和活动定位式等。

Pin locators are to be recessed such that pins do not interfere with part orientation/location.

定位销要被隐藏起来，这样，定位销就不干扰到零件的定位取向/位置。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。