查询词典 projective pencil of lines

The flow characteristics of surface singular point, seperation lines, re-adhesional lines, low speed back-flow area of the impeller and back-flow area at the impellor's inlet were revealed.

揭示了额定流量与小流量时叶轮的表面奇点、分离线、再附着线、低速回流区和进口回流等流动特征，进而提出了改进螺旋离心泵设计方法与结构的设想。

It is a company which specializes in manufacturing and processing glass ,With the most advanced production lines in china as well as the automatic quality inspection lines, our main products are over 1000 kinds of glassware, such as glass vase , glass tanks , glass hookah , glass bongs , glass teapots , glass beads , martini glass ,glass ornaments , glass lamp ,smoking pipes , fish aquariums , drinking glass , ice bucket , Oil bottles

拥有中国先进的生产设备和质量自动检测线，我们的产品有上千种品种，例如：玻璃花瓶，玻璃鱼缸，水烟玻璃，玻璃茶壶，玻璃珠，马提尼杯，玻璃饰品，玻璃灯罩，烟袋，喝水杯，冰桶，油瓶，醋瓶，酒精瓶，饮料瓶，果酱瓶，玻璃罐，果汗瓶，咖啡瓶，工艺瓶，蜂密瓶，佐料瓶，饮料瓶，酱菜瓶，香水瓶，指甲油瓶，沐浴露瓶，药瓶，膏霜瓶，玻璃酒瓶，水果盘，烟灰缸，乳液瓶，玻璃球，玻璃钟罩，玻璃烛台，玻璃杯，以及玻璃相关加工，例如：玻璃丝印，烫金，电镀，磨砂，喷色，烤花，植绒，刻花，彩绘，拉膏，喷砂，马塞克等。

Methods Based on the cloning of human sodium/iodide, stably expressing hNIS human glioma cell lines TJ-905-t and transient co-transfection of hNIS and hT-PO cell lines TJ-905-co were obtained, their radioactive 125I uptake function and ^131I inhibitory effect on cell proliferation were investigated.

方法应用基因转染技术获得稳定表达hNIS的TJ-905转以及hNIS和人甲状腺过氧化物酶瞬时共转染的TJ-905共，然后研究两种细胞的摄碘功能以及^131I的细胞毒作用。

Shining white lines, like course lines, extend far into the dark stage in a perspective manner.

幽暗、深邃的舞台，几条清晰的白色线条，像运动场上的跑道线一样呈透视状，延伸向舞台深处。

The foreign PinⅡ gene could increase stem borer resistance of DH lines and enlarge the possibility of screening for resistance lines.

应用F〓群体cw3和DH群体对第6染色体waxy基因附近的5个SSRs标记作图，分别得到覆盖51.7cM和57.9cM的连锁群。

This invention relates to a cascade multiple zero-type matrix rectifier, in which, a general input filter is connected between a net and a step-down transformer to get sine-wave input current, the step-down transformer includes n secondary windings with Yn spliced mid lines, the phase of all the three-phase windings is the same, the rectifier array is arrayed in a 1 row x n lines by n zero-matrix rectifier units, each line of which is connected with the seconday winding of the step-down transfornmer, and the outputs of the rectifier units are serial orderly to form a DC output, the general controller is responsible for regulating work of the entire system and connected with the branch controllers by signal cables to control the work of the rectifier units in the array.

本发明涉及一种级联多重化零式矩阵整流器，总输入滤波器连接在电网与降压变压器之间，滤波得到正弦波形的输入电流，降压变压器有n个Yn接带中性线的次级绕组，所有三相绕组相位相同，整流器阵列由n个零式矩阵整流器单元排成1列×n行的阵列，阵列中每一行与降压变压器的一个次级绕组对应连接，阵列中整流器单元的输出依次串联，形成一路直流输出，总控制器负责控制调节整个系统的工作，并通过信号电缆与各个分控制器联络，控制整流器阵列中每个整流器单元的工作。本发明由低压小功率的变换器串联得到幅值可调的高压直流电源，同时在电网侧得到位移为零的输入电流，具有网侧四象限运行能力等优点，适用于中高压直流供电领域。

Retreating, at the terminus of the Great Northern Railway, Amiens street, with constant uniform acceleration, along parallel lines meeting at infinity, if produced: along parallel lines, reproduced from infinity, with constant uniform retardation, at the terminus of the Great Northern Railway, Amiens street, returning.

637从大北铁路阿缅街终点站，不停地以标准加速度正沿着那如果延长、会在无限彼方相遇的平行线逐渐离去。沿着那重新出现在无限彼方的平行线，不断地以标准减速度，正朝着大北铁路阿缅街终点站折回来。

It is reliable method to construct subseries cell lines of bladder neoplasm strains with improved invasive experiment,and the subseries cell lines can be used as cell model for studies of bladder carcinoma′s invasiveness and metastasis.

运用改良的侵袭实验筛选膀胱癌细胞系的高侵袭力亚系的方法是可靠的，建立的高侵袭力亚系细胞为今后对膀胱癌侵袭及转移的研究提供了较为可靠的细胞模型。

Objective To establish the high invasiveness subseries cell lines of three bladder neoplasm strains of BIU-87,EJ and T24,and to observe the invasive process in vitro.Methods The high invasiveness subseries cell lines were selected based on the penetrating power of artifical basilar membrane and polycarbonate membrane through constructing invasive cabin.

医药卫生体制改革最新方案内容概览及其展望多种自身抗体联合检测对类风湿性关节炎作用持续高眼压下青光眼手术治疗的临床观察目的建立BIU-87、EJ和T24 3株膀胱癌细胞的高侵袭力亚系，并对侵袭过程进行观察。

There are not differences in the meiosis of both A lines and B lines , and between CMS of hot and sweet pepper.

椒细胞质雄性不育系金A 和保持系金B 减数分裂和雄配子发生的整个过程。

However it can often be frust ating for a child when people are unable to pronounce their name.

但它往往可以令人沮丧的一个孩子当人们无法断言他们的名字。

All these compounds were obtained from this genus for the first time. Compound, 4-cumylphenol, was a new nature product.

所有化合物均为首次从本属海藻中分离得到，其中4cumylphenol为新天然产物。