查询词典 na

The influence of the K/Na modificator on structure and performance of high chromium cast iron was investigated.

考察了K/Na变质剂对高铬铸铁组织和性能的影响，确定了合金的熔炼工艺和热处理工艺，得出最佳的淬火和回火工艺温度(淬火1000℃+450℃回火)。

The main products are: NA Korea Electric implementing agencies Series, TM Series Korea Electric implementing agencies, Korea AP Series pneumatic actuators; Howrah in 2007 to become Germany HORA valve metallurgical industry in China, the sole agent.

主要产品有：韩国NA系列电动执行机构、韩国TM系列电动执行机构、韩国AP系列气动执行机构；2007年成为德国霍拉HORA调节阀在中国冶金行业的总代理。

Methods Incontinent children( n =9, mean age=6.3 ye ars) with high type imperforate anus were reconstructed using P na's approach and levator ani imbrication.

采用再次P na手术和盆底肌折叠术治疗高中位无肛畸形术后大便失禁患儿9例(平均年龄6.3岁)。

For 115 keV nitrogen ion beam output from the implanter, the current measured at the entrance of the TEM is 100-180 nA.

离子注入机输出的115keV氮离子在电镜人口测得的束流强度达100~180 nA。

The existence of numerous inchoative verbs ending in -''na'', such as Gothic ''ga-waknan'', Old Norse ''vakna''.

存在有许多的表始动词结尾於-''na''，像哥德语的''ga-waknan''和古诺斯语的''vakna''。

The activities of glutathione peroxidase, superoxide dismutase, catalase, the content of malonaldehyde in serum and lens were detected. At the same time, the activities of Na+-K+-ATPase, the content of macromolecular weight protein and infusibility protein in lens were detected too.

比色法测定各组血清及晶体中超氧化物歧化酶、谷胱甘肽过氧化物酶、过氧化氢酶活力和丙二醛含量以及晶体中Na+-K+-ATP酶活力、高分子质量蛋白和不溶性蛋白含量。

NA :YAG laser iridectomy is the effective and safe method for angle-closure glaucoma.

NA：YAG激光虹膜切除术是一种治疗闭角型青光眼的安全有效的方法。

Methods : 219 eyes of 192 patients with primary angle-closure glaucoma and 9 cases with angle-closure glaucoma secondary to uveitis were treated by NA: YAG laser iridectomy, and the clinical effects were then retrospectively analyzed.

回顾分析192例219眼原发性闭角型青光眼和9例葡萄膜炎继发青光眼，接受NA：YAG激光虹膜切除术后的临床效果，随诊16～46月。

The water activities and osmotic coefficients have been determined at 25 ℃, over the range of concentrations from diluted up to saturated with respect to the solute of NaCl for the synthetic salt lake brine Li Na K Mg Cl SO 4 H 2O systems by isopiestic method using an improved apparatus.

根据我国青海一里坪和东台吉乃尔盐湖晶间卤水Li Na K Mg Cl SO4 H2 O体系的组成制备了两种合成卤水储备溶液，采用等压法和改进的实验装置在 2 5℃下，从稀释到溶液中溶质NaCl达到饱和的浓度范围，对合成卤水溶液进行了等压测定，确定了它们的水活度aH2 O，和渗透系数φ；比较了两种卤水的热力学性质及其变化的规律，揭示了其天然卤水浓度差异的物理化学成因。

Stationary NA sequences; empirical measure; large deviations principle; linear processes; functional law of the iterated logarithm; strong approximations; LPQD sequences; m-dependent random element; precise asymptotics; the central limit theorem for the sum of random number

基础科学，数学，概率论、数理统计平稳NA序列；经验测度；大偏差原理；线性过程；泛函型重对数律；强逼近； LPQD序列； m-相依随机元；精确渐近性；随机指标中心极限定理

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。