查询词典 Wavelength

If a particular color or wavelength of light hits the ytterbium when it is in the excited state this light will be a aplined, generating a carbon copy of the original light. In this way a very lower perfect beam can be amplified many times to produce high power beam that are nearly perfect and are therefore very focusable.

如果一种特殊的颜色或光线的波长击中 Yb ，而此时正是激发状态时，这种特殊颜色的光线将被放大产生高能量的近乎完美而且有聚焦能力的光束。

ABSTRACT One of the new laser crystals drawing much attention in recent years is the synthetic chromium-doped forsterite, for which Cr ions can realize the laser operation in a new wavelength range reaching up to 1340 nm.

人工掺铬镁橄榄石晶体是近年来受到重视的一种激光晶体，它能使铬离子实现新波段的激光运转。

To effect special light momentum of certain wavelength light on galactophore tissue to enlarge breast.

对因特殊势头，在一定波长的光对乳腺组织扩大乳房。

However the blue-light stimulus has a wavelength of 440 nm, which is the peak sensitivity of blue-on cone stimulation, therefore activating only the blue-yellow ganglionic cells.

蓝色刺激光标的波长为440NM，正好是兰色视锥细胞最敏感的波长，因此仅仅激活蓝黄神经节细胞。

Experiments show the maximum absorption wavelength of 1,1 diactyl ferrocene and 1,1 DiN, N glucosan...

测定了 1 ，1 -二乙酰基二茂铁、葡胺糖丙酰二茂铁的最大吸收波长，分别是 45 6nm和 346nm。

Ultraviolet spectrophotometry was used to determine content of selenium in punica granatum with o-diaminobenzene hydrochloride as apparent color agent under 335nm detection wavelength.

采用紫外分光光度法，以邻苯二胺盐酸盐做显色剂，检测波长为335 nm，测定石榴皮中微量硒元素的含量。

The results showed that (1) The grain size of nanometer YiO_2 was40～80nm.The wavelength corresponding to the maximum absorbency values were observedin the 200～320nm range.The crystal structure of carbon doped TiO_2 photocatalyst is primarilyanatase(22.43% rutile), and the content of carbon is about 4.6%.(2) The relative humidityvaring from 8% to 80%, the photocatalytic degradation degree of benzene increased withincreasing relative humidity; and to toluene, degradation rate was hanced by relative humidityup to 60%, and more or less inhibited above 60%.(3) Scheme and results of orthogonal testswere used by evaluating the photocatalytic performance of the gas phase methanol, acetoneand 1-heptane.The results revealed that their degradation degree reached 84.5%, 93.39% and93.45%, respectively.(4) The 254nm UV lamp showed higher photocatalytic degradation rate.For methanol, acetone and 1-heptane, it was found that photocatalytic degradation reactionoccurs with the light strength of daylight lamp.(5) Under the the same conditions, 15%degradation degree has been obtained for benzene, whilst about 10% degradation degree wasattained by Degussa P25; During the initial phases, the toluene revealed higher photocatalyticactivity, comparing with Degussa P25, the degradation degree of methanol, acetone and1-heptane were slightly lower.

结果表明：(1)CVD法制备的纳米TiO_2光催化剂，颗粒球形度好、粒径在40～80nm之间；最大吸光度值所对应的波长为200～320nm；含碳量约为4.6％；晶型组成主要为锐钛矿型，金红石的含量约为22.43％；(2)在相对湿度为8％～80％范围内，苯的光催化降解率随着相对湿度的增大而增大；甲苯在相对湿度为60％时达到最好降解效果，当相对湿度增大到80％时光催化效果降低；(3)将正交实验设计及实验方案应用于气相甲醇、丙酮和正庚烷光催化降解研究，实验结果表明：三者最高降解率分别为84.5％、93.39％和93.45％；(4)有254nm紫外灯参与的光催化实验可以大大提高有机气体的光催化降解率；在日光灯的照射下，掺碳纳米TiO_2对气相甲醇、丙酮和正庚烷具有一定的光催化氧化能力；(5)较P25粉，在相同的光催化操作条件下：气相苯的平均降解率达15％，高于P25粉10％的降解率；气相甲苯在初始阶段具有较高的反应速率；气相甲醇、丙酮和正庚烷的降解率略低于P25粉。

Ten batches of Cortex Moutan Carbonisatum were measured by HPLC with Paeonol as a reference substance and the HPLC analysis was performed on a Hedera ODS-3 Chromatographic Column (4.6 mm×150 mm, 5 μm), with methanol to Acetonitrile (1∶1) and 0.5‰ trifluoroacetic acid solution as mobile phase in gradient mode and the detection wavelength was at 258 nm.

采用Hedera ODS-3柱(4.6 mm×150 mm，5 μm)，流动相甲醇-乙腈(1∶1)-0.5‰三氟乙酸水，梯度洗脱，检测波长258 nm。

The detection wavelength was selected at 220 nm. Results The method was linear over the concentration range of 2100 mgL^(-1) for creatine, uric acid, creatinine and hippuric acid and 100-1000 mgL^(-1) for urea. The mean recovery of the method was 97.6%-105.7%. The precisions were less than 4.2%.

结果肌酸、肌酐、尿酸和马尿酸的质量浓度在2~100 mgL^(-1)内、尿素的质量浓度在100~1 000 mgL^(-1)内线性关系良好，方法平均回收率为97.6%~105.7%，RSD均小于4.2%。

The detection wavelength was selected at 220 nm. Result The method was linear over the concentration range of 2–100 mg·L-1 for creatine, uric acid, creatinine and hippuric acid and 100 – 1000 mg·L-1 for urea.

结果 肌酸、肌酐、尿酸和马尿酸的质量浓度在2～100 mg·L-1内、尿素的质量浓度在100～1000 mg·L-1内线性关系良好，方法平均回收率为97.6%～105.7%，RSD均小于4.2%。

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。