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wavelength相关的网络例句

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METHODS The HPLC system consisted of G1314A variable wavelength uv-visible detector, Hypersil ODS (4.6mm × 250mm,Sμ m), HP chemstation,Hp1100 series quaternary pump and vacuum degasser (G1322A). The mobile phase was acetonitrile:water (30: 70, v/v).

方法采用HP1100高效液相色谱仪(包括G1314A可变波长紫外检测器,HP化学工作站,G1322A真空脱气机,HP1100四元泵),Hypersil ODS柱(4.6mm×250mm,5μm)。

Composition of suspension will chang from titanium monoxide to titanium dioxide during standstill procedure. Experimental results show that the proposed method can successfully prepare the anatase phase of titanium dioxide .In the photocatalysis experiment, the prepared titanium dioxide nanofluid absorbs the Ultraviolet when light wavelength was 360 to 380 nm. Adsorption experimental results show that the efficiency of absorbing methylene blue using TiO2 is higher than that for TiO2 (Degussa P-25) or ZnO. Depigmentation of methylene blue experimental using TiO2 can depigmentize methylene blue reach 100% in 60 min.

悬浮液所含之奈米颗粒在静置过程中,成份方面会由似一氧化钛转变为二氧化钛;在结晶组成方面,所制备之二氧化钛颗粒之结晶组成为锐钛矿结构;在光催化方面,所制备之奈米二氧化钛悬浮液在光波长360nm~380nm时产生吸收紫外光现象,在吸附实验中本制程所制备的二氧化钛颗粒的吸附效果优於商用的二氧化钛及氧化锌,在亚甲基蓝的脱色实验中本制程所制备的二氧化钛颗粒能在60分钟内达到脱色率100%。

Methods: In alkaline condition, reaction between amino acids and phenylisothiocyanate formed a derivant of phenylisothiocyanate-amino acid. For RP-HPLC, the Diamonsil C18 column 250 mm×4.6 mm,5 μm) and binary gradient elution were used. The mobile phase A was 0.1 mol/L sodium acetate solution-acetonitrile (93∶7) and the mobile phase B was acetonitrile-water(80∶20). The detecting wavelength was 254 nm.

在碱性条件下,氨基酸与异硫氰酸苯酯反应,生成异硫氰酸苯–氨基酸的衍生物,采用 Diamonsil C18色谱柱(250 mm×4.6 mm,5 μm),用二元梯度洗脱方式,流动相A为0.1 mol/L乙酸钠–乙腈(93∶7),流动相B为乙腈–水(80∶20),检测波长254 nm。

A sample-pretreated method of ether-extraction-precolumn-derivation was established, and the chromatographic conditions, which was used for determinating the derivant of extracted UDCA, were decided to be Hypersil C_(18) column(250×4.6mm, 10μm), acetonitrile-methol-0.005mol·L~(-1) phosphoric buffer-triethylamine(50:27:42:0.25, adjusted to pH3.0±0.1 by phosphoric acid) as mobile phase with detective UV wavelength at 247nm and column temperature at 35℃.

建立了乙醚提取-柱前衍生化血浆样品预处理方法,采用Hypersil C_(18)柱(250×4.6mm,10μm),乙腈-甲醇-0.005mol·L~(-1)NaH_2PO_4缓冲液-三乙胺(50:27:42:0.25,磷酸调节pH3.0±0.1)为流动相的HPLC法,以溴苯乙酮为衍生化试剂,在247nm处测定家兔血浆中熊去氧胆酸衍生化产物。

Results indicate that even caverns significantly smaller than 1/4 wavelength are detectible on conventional band-width seismic sections as diffractions migrated into bead-type events.

结果表明当绕射波偏移为珠子状的同相轴时即使远小于四分之一波长的溶洞在常规带宽的地震剖面上也是可分辨的,绕射波是溶洞高度和宽读的函数。

For the smelting slags of exhausted automobile catalyst, a method for determination of trace amounts of platinum and palladium by plus-dual-wavelength overlapping spectrophotometry in dibenzyl dithiooxamide-SnCl2 system was developed.

针对失效汽车催化剂火法熔炼渣,研究了采用正峰双波长叠加,二苄基二硫代乙二酰胺-SnCl2体系萃取光度法测定渣中痕量铂钯的方法。

Methods: water decocting method for extracting method, ether as extraction solvent with high performance liquid chromatography, as the means, to test content of methanol 0-3 % diethylamine (73:27) as mobile phase, 242nm detected wavelength, according to the packing: Hypersil BOS C18 5 muon m size: 6 mm (4): 25 mm, standard curve basic linear, precision, accuracy, good stability and.

以水煎煮法作为提取方法,乙醚作为萃取溶剂,以高效液相色谱作为含量检测的手段,以甲醇-0。 3 %二乙胺(73∶27)作为流动相,检测波长242nm,依利特填料:Hypersil BOS C18 5μm 尺寸:4。 6 mm ×250 mm ,结果:标准曲线基本呈线性,精密度,稳定性和准确度良好。

X-rays are used because they have the same wavelength as the atomic separations so the crystal acts as a molecular diffraction grating to diffract a beam of X-rays, producing a diffraction pattern that can be captured and analyzed.

之所以使用X射线是因为其波长和原子裂解时的波长一样,所以晶体作为分子衍射光栅衍射X射线,产生一种可以获取并分析的衍射图形。

X-rays are used because they have the same wavelength as the atomic separatio so the crystal acts as a molecular diffraction grating to diffract a beam of X-rays, producing a diffraction pattern that can be captured and analyzed.

之所以使用X射线是因为其波长和原子裂解时的波长一样,所以晶体作为分子衍射光栅衍射X射线,产生一种可以获取并分析的衍射图形。

The mobile phase was a mixture of acetonirile-40 mmol·L~(-1) dipotassium hydrogen phosphate solution40∶60,containing 10 mmol·L~(-1 cetrimonium bromide, adjust pH to 7.5 by phosphoric acid and the flow rate was 1.0 mL·min~(-1),with the detection wavelength at 215 nm.

结果马来酸、叶酸和依那普利之间能够达到很好分离;马来酸依那普利的线性范围为202.5~810.0 mg.L-1,r=0.999 8(n=6),平均回收率为99.91%,RSD=1.15%(n=9);叶酸的线性范围为16.28~65.12 mg.L-1,r=0.999 8(n=6),平均回收率为100.11%,RSD=1.20%(n=9)。

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It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发,分析对称连杆曲线上鲍尔点的产生条件,提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品,年生产总值3000万美元,产品价廉物美、选料上乘、质量保证,深受国内外客户的青睐

The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.

血精的原因很,以良性病变为主。