查询词典 Wavelength

Free running semiconductor Laser Diode Array is subject to wide line width and peak wavelength drift.

自由运行的半导体激光器列阵输出激光谱线较宽、中心波长易漂移。

In order to calibrate wavelength with sine curve,three algorithms using different numbers of unknown parameters are proposed.

使用正弦曲线拟合进行波长校准时，根据不同的待定系数选择方法，提出三种校准算法。

Character: Yellowish or yellow crystalline powder,smell-less; Assay: 98.0%—102.0%; Specific Optical Rotation:+63.0°to +69.0°; Ph:3.0 to 5.0;Clarity of Solution complies with the standard. Related Substance:(Single impurities≤0.5%; total impurities≤1.5%);Methanol:≤0.3%;Dichlormethane≤0.06%Acetone≤0.5%;walter:7.0%—9.5%; Residue on Ignintion:≤0.1%; Heavy Metals:≤0.0002% Identification:Most absorb at the wavelength 220nm,256nm,370nm; The infrared spectrogram according to the comparison; positive reflection

特征及特性：淡黄色或黄色结晶性粉末，无臭；含量98.0%—102.0%；鉴别：1）在220nm、256nm、370nm的波长处有最大吸收；2）供试品溶液在主峰的保留时间与对照品溶液主峰的保留时间一致；3）供试品红外光吸收图谱与对照品的图谱一致；4）呈正反映；比旋度：+63.0°至+69.0°；酸度：3.0—5.0；溶液颜色符合规定；有关物质：（单个杂质≤0.5%；总杂质≤1.5%）甲醇：≤0.3%；二氯甲烷：≤0.06%；丙酮：≤0.5%；水分：7.0%—9.5%；炽灼残渣：≤0.1%；重金属：≤0.0002

Methods The background electrolyte was 50 mmolL^(-1) sodium borate containing 5% acetonitrile. The voltage was 12 kV and the wavelength was set at 228 nm. The fingerprint, produced from electropherograms of ten different batches of samples, was established and 11 common peaks were confirmed.

以的50 mmolL^(-1)硼砂（含体积分数为5%的乙腈溶液）为背景电解质，运行电压12 kv，紫外检测波长228 nm，以10个不同产地药材的电泳图谱建立了甜瓜蒂毛细管电泳指纹图谱。

The background electrolyte was a 75 mmol/L sodium borate solution adjusted to pH 9.7 with 0.1 mmol/L NaOH solution. The detection wavelength was 228 nm and a voltage of 14 kV was applied. The Forsythia suspensa Vahl was extracted by water and a set of CEFP containing 29 peaks was obtained.

中文内容：摘要：采用毛细管区带电泳法，以75 mmol/L硼砂溶液(用0.1 mmol/L氢氧化钠溶液调pH 9.7)为背景电解质，运行电压14 kV，检测波长228 nm，重力进样15 s(高度9 cm)，建立了连翘药材的毛细管电泳指纹图谱。

The capillary electrophoresis fingerprints of Fructus Forsythiae was established to control its quality. The background electrolyte was a 75 mmol/L sodium borate solution adjusted to pH 9.7 with 0.1 mmol/L NaOH solution. The detection wavelength was 228 nm and a voltage of 14 kV was applied. The Forsythia suspensa Thunb.

采用毛细管区带电泳法，以75 mmol/L硼砂溶液(用0.1 mmol/L氢氧化钠溶液调pH 9.7)为背景电解质，运行电压14 kV，检测波长228 nm，重力进样15 s(高度9 cm)，建立了连翘药材的毛细管电泳指纹图谱。

6 Buffer comprised 6 mmol/L sodium phosphate, 10 mmol/L sodium borate, 25 mmol/L sodium dodecyl sulphate is used as runing solution, and UV detection wavelength is at 227 nm to determining disperse blue 2BLN in dyeing wastewater.

6mmol/L磷酸钠、10mmol/L硼砂、25mmol/L十二烷基磺酸钠组成的pH9 6的缓冲溶液作电泳液，UV检测波长227nm，测定了印染废水中分散蓝2BLN 的含量。

For this reason, the D-line of the sodium lamp at the visible wavelength of 589 nm was most often employed.

由于这个原因，可见波长589nm的纳灯的D-线是最经常使用的。

In optimum condition , the running buffer consisted of 40 mmol/L sodium tetraborate buffer(using 6mol/L hydrochloric acid adjustsd to 7.5),the UV detection wavelength was 210nm, separation voltage 20 kV , running temperation at 20℃.

考察了缓冲液离子浓度和pH，分离电压，运行温度等电泳参数，通过正交实验，确立了最佳电泳条件：缓冲液为40mmol/L硼砂，pH7.5(6mol/L HCL调节)，紫外检测波长210nm，分离电压20kV，运行温度20℃。

This is in contrast to a light source such as the incandescent light bulb, which emits into a large solid angle and over a wide spectrum of wavelength.

这是对比的光源，如白炽灯灯泡，该物质为一体的大型立体角，并在很宽的光谱波长。

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。