查询词典 x-height

Products on the sulphurized surfaces of cerussite and smithsonite have been studied by means of infrared spectra,Auger electronic spectra,X-ray pho- toelectron spectroscopy and X-ray diffraction techniques etc.

本研究采用红外光谱、俄歇电子能谱、X 射线光电子能谱、X 射线衍射等手段测定了白铅矿、菱锌矿硫化表面产物。

The method involves exposing the cells to a compound having the formula I in which: w is a nucleic acid x is a non-amino acid or non-peptide nucleic acid binding group y is a spacer having a chain length equivalent to 1-30 carbon-carbon single covalent bonds or is absent R4 is H or halogen or CH2O-R3; and R1, R2 and R3 are the same or different and are either hydrogen, methyl, ethyl, alkyl, alkenyl, hydroxylated alkyl, hydroxylated alkenyl groups or ether containing alkyl, alkenyl, hydroxylated alkyl or hydroxylated alkenyl groups optionally being an acyl group having a carbon chain length equivalent to 3-24 carbon atoms saturated or unsaturated, with the proviso that at least one of R1, R2 or R3 includes a group having a carbon chain of 3-24 carbon atoms saturated or unsaturated, or to a compound having the formula II in which: w is a nucleic acid x is a non-amino acid or non-peptide nucleic acid binding group y is a space having a chain length equivalent to 1-30 carbon-carbon single covalent bonds or is absent, R5 is alkyl, alkenyl, hydroxylated alkyl, hydroxylated alkenyl group or ether containing alkyl, alkenyl, hydroxylated alkyl or hydroxylated alkenyl group optionally being an acyl group having a carbon chain length equivalent to 3-24 carbon atoms saturated or unsaturated, with the proviso that R5 includes a group having a carbon chain of 3-24 carbon atoms saturated or unsaturated.

该方法包括使细胞暴露于具有式的化合物，在式中：w是核酸，x是非氨基酸或者非肽核酸结合基团，y是具有等于1―30个碳―碳单共价键的链长的间隔基或者不存在，R4是H或者卤素或者CH2O－R3；R1、R2和R3是相同的或者不同的并且是氢、甲基、乙基、烷基、链烯基、羟基化烷基、羟基化链烯基或者包含烷基、链烯基、羟基化烷基或羟基化链烯基的醚，任选地是来源于具有等于3―24个碳原子的碳链长的饱和或不饱和脂肪酸的酰基，其条件是R1、R2或者R3的至少一个包括具有3―24个碳原子的饱和或不饱和碳链的基团，或者使细胞暴露于具有式的化合物，在式中：w是核酸，x是非氨基酸或者非肽核酸结合基团，y是具有等于1―30个碳―碳单共价键的链长的间隔基或者不存在，R5是烷基、链烯基、羟基化烷基、羟基化链烯基或者包含烷基、链烯基、羟基化烷基或羟基化链烯基的醚，任选地是具有等于3―24个碳原子的饱和或不饱和碳链的链长的酰基，其条件是R5包括具有3―24个碳原子的饱和或不饱和碳链的基团。

Another MCU, 89C2051 is used to realize the control of the three rows LED monitor showing coordinates of axis X and Z axis and other state of the system. Charnel A and C of 8155 are used for editor keyboard, which make the inputting or editing of the NC code and data possible. Charnel P1 of 8031 is used for the operation keyboard such as system power on/off and movement of axis X or Z. a programmable parallel I/O chip, 8255, is used to achieve system I/O and the transmission of other information. In summarize, the system developed is characterized by its simplicity, low development cost and high reliability.

在CPU存储器扩展电路设计中， CPU选用MCS-51系列的8031单片机，外扩32K的程序存储器和 8K的数据存储器，分别用于存放系统管理程序、数控加工程序以及运算数据；在显示电路设计中，选用MCS-51系列的89C2051单片机作为从CPU，控制三排LED显示器，用于X轴、Z轴动态坐标以及相关数字的动态显示；在手动键盘和编辑键盘设计中选用8155芯片的PA口和PC口作为行、列母线，扩展矩阵式编辑键盘，用于程序和数据的输入或编辑，同时选用8031单片机的P1口扩展手动键盘，用于系统启动、停止以及运动部件在X、Z轴方向的手动控制；在I/O口扩展电路设计中选用8255芯片扩展输入输出口，用于接收和传送开关量及相关信息。

Checkweigher is difficulty to use in high speed filling and the liquid shake to the vibration, is unable to monitor missing or mis-aligned Lid/Cap/Crown, filling the pressure Detection. X Ray inspector although can automatically find out the manufacture flaw: The greasy dirt, the liquid, the distortion and contaminant, the reject product will remove from on-line, but will need to liquid/foam differentiation and X

称重检测存在难以适应高速灌装要求和液体晃动对称量影响，无法判断瓶盖封口是否完好，灌装压力是否达到指标；X射线影像检测虽然能够自动查出以下制造缺陷：油污、液体、变形和异物，将不合格容器从线上剔除，但需要克服泡沫影响和X射线安全性。

This Peugeot concept car I design will have these characteristics. It is called "cyx". C represents 'cityward' , which the car is designed for future cities. Y stands for 'yare', which shows the Peugeot's reputation for precise and predicatable handling. X is 'x-factor', meaning your excited feeling when you drive this Peugeot concept.

我给这辆车起名为cyx，三个字母各有寓意。C是"cityward"的意思，因为车子所有的一切是为适合明日都市开发的；y代表yare，表示车子的弯道性很好，加速快捷，这也是标致一贯的特点；x是x-factor，因为驾驶它能给你带来快感。

The characteristic is repeatedly, how much does defer, haemoptysis measure differ. Sign of model of ball of bacterium of music of X line clew person occupy 40.7%, not typical person 59.3%; and CT not only can ask for from X line model basis of first visit to a doctor gets in resembling, and can from its not typical ask for what " lunar halo obtains to ask for "" float lotus to ask for the ball of concerned Qu Jun such as " in resembling to diagnose clew. 44 routine fine raises 28 positive in lens scrutator, 39 routine biopsy person in 16 paradigmatic fact are Qu Jun ball.

特征为反复、迁延、咯血量多少不一。X线提示曲菌球典型征象者占40.7%，不典型者59.3%；而CT不但可自X线典型征像中得到初诊依据，而且能从其不典型征像中获得"月晕征""浮莲征"等有关曲菌球的诊断线索。44例行纤支镜检查者中28例阳性，39例行活组织检查者中16例证实为曲菌球。

Considering that both the solution of the structure natural vibration frequency and mode as well as its elastic stability coefficient can transform into eigenvalue problem of the structure dynamic equilibrium equation, taking the fundamental frequency and the elastic stability coefficient of the structure as the evaluation criteria, the possible arrangements of Mi-brace and X-brace for halfthrough CFST arch bridge with 360 m span were comparatively analyzed, and the advices for the reasonable space of the Mibrace and the X-brace were advanced.

鉴于结构自振频率、振型及弹性稳定系数的求解均可转化为源自结构动力平衡方程的特征值问题，先以结构基频及弹性稳定系数为衡量标准，对一座360 m跨的中承式钢管混凝土拱桥可能的米字撑及X撑布置方案进行了分析对比，并据此提出了X撑及米字撑的合理间距。

Relaxor ferroelectric(1-x) PbMg_(1/3Nb_(2/3)O_3-x PbTiO_3 ceramics near the morphotropic phase boundary were prepared by the columbite precursor method.

采用铌铁矿预产物合成法制备了组成在相界附近的(1-x)Pb(Mg1/3Nb2/3)O3-x PbTiO3弛豫铁电陶瓷。

The complexus of X organ and sinus gland was the main part of the neurosecretory of eyestalk.The X organ,which contained type I～VI neurosecretory cells,was located optic ganglion and was single nerve cell.

结果表明，克氏原螯虾眼柄神经内分泌系统主要组成部分为X器官-窦腺复合体。X器官分布在视神经节上，由I~VI型6种神经分泌细胞构成，均为单级神经元。I~VI型分泌细胞类型及数量在不同生长期存在差异。

The electrodeposited films were characterized by X-ray diffraction, scanning electron microscopy and energy dispersive X-ray spectroscopy for structural, morphological and componential properties.

采用X射线衍射、扫描电镜和X射线能谱对预制层的结构、形貌和成分进行了表征。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐