查询词典 Z-twist

A frame is set up in this paper that the unit vector of the star is taken as Z axis of the frame, and all the constant gyro drifts of inertial navigation system are projected on to the frame .

如果建立一个以星体方向为Z轴的坐标系，并将陀螺漂移投影到该坐标系，文中将证明绕该坐标系Z轴方向的陀螺漂移是不可观测的，并分析由此引起的导弹落点误差。

M/z 2732 set, it yielded a sensitivity of 91.30%(21/23), a specificity Of 68.18%(30/44), area under the ROC=0.76; m/z 9111 set, it yielded a sensitivity of 52.17%(12/23), a specificity Of 81.82%(36/44), AUC=0.57. Differential proteins were detected from serum of pancreatic cancer. Combination of SELDI-TOF-MS with CM10 protein chips may provides a new proteomics mode for laboratory diagnosis of pancreatic cancer.

结果 发现胰腺癌患者与正常对照、胰腺对照的血清蛋白质指纹图谱有44个差异表达的蛋白质(P.05)，其中m/z 2732敏感性为91.30%(21/23)，特异性为68.18%(30/44)，受试者工作特征曲线下面积=0.76；m/z29111敏感性为52.17%(12/23)，特异性为51.52%(36/44)，AUC=0.57。

Bipyridyl and 1,10-phenanthroline (L3), Cl3SnCH2CH2COORo L (L= L1, a; L2, b; L3, c), formed by low-heating solid-state reaction. The crystal structures of 1 and 2 show that the tin atom adopts a distorted trigonal bipyramid geometry via intramolecular carbonyl oxygen to tin coordination [the distances of Sn-0 bond are 0.2351(6) ran for 1 and 0.2362(3) nm for 2]. Compound 1 belongs to monoclinic with space group P2/c, a = 0.9842(2) nm, b =1. 0923(8) nm, c = 1.23948(11) nm,/?= 93.894(15)°, V= 1.3294(4) ran3, Mr = 366.23, 7 = 4. Compound2 belongs to monoclinic with space group P2{/c, a = 1.04443(9) nm, b = 1.04823(7) nm, c = 1.28113(9) nm,/= 90. 953(8)°, V= 1.40239(19) nm3, Mr = 380.25, Z = 4

利用元素分析、红外光谱、核磁共振对其结构进行了表征，并通过X射线单晶衍射测定了1和2的晶体结构，二者均为具有分子内羰基氧原子配位的畸变三角双锥结构。1属于单斜品系，空间群P21/c， a=0.9842(2)nm，b=1.0923(8)nm，c=1.23948(11)nm，β=93.894(15)°，V=1.3294(4) nm^3，Mr=366.23，Z=4.2属于单斜晶系，空间群P21/c，a=1.04443(9)nm，b=1.04823 (7)nm，c=1.28113(9)nm，β=90.953(8)°，V=1.40239(19)nm^3，Mr=380.25，Z=4。

Methods The skeletal muscle stem cells were enzymatically isolated with collagen and dispase, and then purified by different adhesion time from 6 female SD rats. The purified cells were transinfected with adenovirus carrying lac-Z gene, and injected into the bladder neck of 6 autologous and 4 allogeneic rats. Tissues of blader neck and ureter were obtained in sacrified rats after 5 and 15 days, histological examination and X-gal staining were performed.

采用混合酶消化及反复差速贴壁法分离、纯化培养SD大鼠骨骼肌干细胞，然后用携带lac-Z基因的腺病毒载体转染肌干细胞，待转染成功后将携带lac-Z基因的骨骼肌干细胞注射于自体和同种异体的膀胱颈及后尿道周围，分别于注射后5、15d，处死大鼠取出膀胱颈及后尿道，行组织学检查及X-gal染色。

Only a part of the stone is vacuum coated (e.g. Crystal Helio Z).

Z只为水晶石的某一部份进行真空涂层处理，例如彩紫 Z 。

Fifty-two protein peaks in the sera were significantly different between 57 patients with tuberculous pleuritis and 70 controls(P＜0.01).The protein peak at m/z 5643 was highly expressed in 47.4%(27/57) sera from the patients with tuberculous pleuritis,and lowly expressed in 4 sera from the patients with non-TB pleuritis.

因此，选择5643 m/z蛋白作为潜在的诊断标志物，经RP-HPLC分离、纯化，并利用MALDI-TOF-MS及LC-MS/MS进行鉴定，5643 m/z目标蛋白质是粘蛋白，又称为α-1-酸性糖蛋白。57例结核性胸膜炎患者血清和70例对照血清蛋白指纹图谱比较，有52个差异蛋白峰(p＜0.01)。

Patients with congenital anal atresia and concomitant rectovaginal or rectoperineal fistula were undertaken Z shape plastic operation with fistula reserved. 2 patients with rectovaginal or rectoperineal fistula were removed and closed fistual and repaired os of fistula.

采用Z成形术修复先天性肛门狭窄9例，保留瘘口瘘道＋Z成形术修复先天性肛门闭锁伴直肠阴道瘘或直肠会阴瘘5例，彻底切除瘘管、分层闭合瘘道、修复瘘口治疗单纯性直肠阴道瘘或直肠会阴瘘2例。

The disp lacement senso r of Z axis adop t s single po int laser po sit ion detecto r PSD, and it s reso lut ion is about 10nm.

Z 方向位移传感器采用激光单点位置探测器PSD， Z 轴方向的位移测量精度达10 纳米。

To make it more practicable, the paper also builds a web based cost management information system for Z Company.

论文还根据总结出的理论方法，结合现在的计算机技术和Z建筑公司的成本管理的特点，构建了Z公司的基于web的工程项目成本管理系统。

The feeding head can rotate around axial Z and axial X or Y. With the help of Siemens NC system, which can overcome the limitations of feeding heads working space, we can make axle sleeve and so on. It can be used to repair irregular shape products in laser cladding, such as metallic sheath. Using 3D coaxial feeding head, large area laser refabrication was carried out in metallic sheath.

由于原数控系统是非开放性的，不宜直接在原有系统上进行二次开发，考虑到现有条件，采用单片机控制二步进电机以实现送粉头能绕Z轴转动和绕水平轴转动，加上原有数控系统的在Z轴方向上的运动配合使送粉工作头具有三维空间工作能力，它克服了普通送粉头工作空间的限制，同时还具有粉末流束焦点可调功能。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。