查询词典 nm

The decrease of the 271 nm peakin the spectra of carbon tetrachloride solution is less than that of the chloroformsolution.

比较氯仿和四氯化碳溶液271 nm的吸收峰强度随光照的进行而减弱的情况，可以发现在四氯化碳溶液中比在氯仿溶液中下降的幅度要小。

One NM collects all the catalogued states of a protein as well as the mutual transitions between the states.

一个NM收集一个蛋白质的所有的分类状态，及状态间的相互转换。

Methods: red sage root,astragalus root,white peony root,corydalis tuber,fevervine herb,dahongpao,chinese gall,cinnamon bark in this preparation were identified by tlc;the content of paeoniflorin in this preparation were determined by hplc, agilent zorbax sb 4.6×150 mm,rp-18e（ 5μm） was used. the mobile phase consisted of acetonitril-water ( 15:85 ), the velocity of flow was 1.00 ml.min-1.the detection wavelength was 230 nm.

采用tlc法鉴别处方中丹参、黄芪、白芍、延胡索、鸡屎藤、大红袍、五倍子、肉桂等药材；采用hplc法测定处方芍药苷含量，agilent zorbax sb 4.6×150 mm，rp-18e（ 5 μm ）色谱柱，流动相为乙腈-水（ 15∶85 ），流速1.00 ml.min-1，检测波长230 nm。

After hydrolysis γ-polyglutamic acid became aminoglutaminic acid which could shape comoles compound (1:1) in pH 9.6 of borax buffer solution with chloranil. The comoles compound had absorption maximum at 350 nm.

利用γ-聚谷氨酸水解成谷氨酸，在pH 9.6硼砂缓冲溶液中，能与四氯对苯醌形成1：1的络合物，该络合物在波长350 nm处有最大吸收，通过测定其吸光度确定γ-聚谷氨酸含量。

Result:The best prescription was : Lecithin: Sodium Cholate =8∶1,Lecithin:Proanthocyanidins =15∶1,sonde-type ultrasound time was 5 min,the entrapment efficiency of FNL was 67.13%,and the results revealed the FNLs were sphere like with the mean size of 168.3 nm,the mean Zeta potential was –86.6 mV.

结果：最佳处方和制备工艺条件为卵磷脂与胆酸钠的质量比为8∶1、卵磷脂与原花青素的质量比为15∶1、探头式超声5 min。包封率为67.13%，所得柔性纳米脂质体为类球形实体粒子，平均粒径168.3 nm，平均Zeta电位-86.6 mV。

Chitosan NP prepared by complex coacervation can bind to the pDNA efficicetly with high encapsulation rate and diameter distribution of 100 to 500 nm.

壳聚糖可以有效凝聚pDNA，采用复凝聚法可制得100~500 nm范围荷正电的纳米粒，有较高的包封率。

The results show that the doping powders with narrow particle size distribution, low coacervation are well crystallized and monodisperized. The average size of ATO powders is about 50 nm.

研究结果表明：合成的ATO纳米粉体结晶性好，容易过滤洗涤，粒度分布窄(平均颗粒度为50 nm左右)，基本无团聚。

It produces a colossal 500 PS and 1,000 Nm of torque.

它产生一个巨大的500 PS和1000 Nm的扭矩。

In Chapter three, by constructing a special partitioned matrix and studying the fast triangular factorization of its inverse matrix, we respectively give fast algorithms for the minimal norm least squares solutions of linear equations which coefficient matrices are n×m Toeplitz type matrices and Vandermonde-Loewner type matrices with full column rank.

第三章通过构造特殊分块矩阵并研究其逆矩阵的快速三角分解，分别给出了求以秩为m的n×m阶Toeplitz型矩阵和Vandermonde-Loewner型矩阵为系数阵的线性方程组极小范数最小二乘解的快速算法，并通过算例将新算法与已有的法方程组的方法和正交化方法作了比较。

With the help of a new technique called accelerated-pressure shot peening which is the combination of common shot peening equipment with a pressurizing vessel,a nanocrystalline layer with ultrafine grains(average diameter 30 nm)was fabricated on the surface of 7050 aluminum alloy.

在普通喷丸设备上增加增压罐，采用增压喷丸方法在7050铝合金表面制备出平均直径约为30 nm的纳米晶层。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。