查询词典 Nd

Molecular laser follows in ArF (193 Nm) and laser of solid of Nd ∶ YAG (213 Nm) differs two kinds the laser of wavelengh denudes in the system, factor of elemental fractional distillation all compares groovy mode to fall to be close to more at 1, make clear use medium to hold back discharge to be opposite gas collosol beforehand effect of fractional distillation of the element after ionization is able to restrain effectively.

在ArF准分子激光(193 nm)和Nd∶YAG固体激光(213 nm)两种不同波长的激光剥蚀系统中，元素分馏因子均比常规模式下更接近于1，表明采用介质阻挡放电对气溶胶预电离后元素分馏效应得以有效抑制。

Objective:To study the clinical effect of epidermal pigmented dermatoses treated by the frequency - doubled Q - switched Nd:YAG laser.

目的：探讨Q开关倍频Nd：YAG激光治疗浅表色素性皮肤病的临床效果。

Based on zircon SHRIMP U-Pb, Sm-Nd and Ar-Ar isotopic datings and trace elements data of zircon and whole rock of the mafic granulite from Huilanshan in Lotian doming, we concluded that the protolith of the mafic granulite shoud be the Neoproterozoic mafic rocks, the granulite facies metamorphism of this rock was occurred at 124.0?.

罗田穹隆惠兰山基性麻粒岩的锆石U-Pb、Sm-Nd和Ar-Ar定年及锆石和全岩微量元素地球化学工作证明该麻粒岩的原岩形成于晚元古代，其麻粒岩相变质作用发生在124.0？。

The results indicate that the relative atom content of Nd islow contrasted to that of Fe, which results from the weak competitive reaction ofNdCl〓 because of the strong bulk effects. The results of x ray photoelectronspectroscopy reveal that other valence of Fe could be in NdCl〓-FeCl〓-GIC.It is considered as the result of the charge shift between FeCl〓,〓 and graphitein intercalating process. Structural model of RECGIC was supplemented after thinking of the chargeshift between the intercalates and graphite. The characteristic layer distance, I〓, ofstage-1 RECGIC were calculated by the model.

利用能谱分析测定了NdCl〓-FeCl〓-GIC中插入剂的含量，结果表明， Nd的相对含量低于Fe的相对含量，这是因为NdCl〓的空间效应较大，而致使其竞争插入反应处于劣势的缘故。X光电子能谱研究表明，Fe可能有其它价态存在，这是由于在插入反应过程中，FeCl〓、NdCl〓以及石墨间发生电荷转移等作用的结果。

Methods:361 cases with ephelides, seborrheic keratosis, lentigines, cafe aulait macules, pigmentation - polyposis syndrome were treated by the frequency - doubled Q - switched Nd:YAG laser.

应用Q开关倍频Nd：YAG激光治疗雀斑、脂溢性角化病、雀斑样痣、咖啡斑、色素沉着-息肉综合征等浅表色素性皮肤病361例。

Pb-Sr-Nd isotope tracing shows that the source of magma in the island-arc belt of Zhongdian area belongs to crust-mantle mixed type. The proportion of mantle material is 59.5% crust's is 40.5%. Similarly, for the Cenozoic alkaline-enriched porphyries, the source of magma is crust-mantle mixed type, but the proportion of mantle material is increased to 54.3%.

通过Pb-Sr-Nd同位素示踪，发现中甸地区岛弧带岩浆物质来源为壳幔混合型，印支期的地幔物质的比例m平均值为59.5％，地壳物质的为40.5％；剑川、北衙等地的新生代富碱斑岩的m值平均54.3％，也表现为壳幔混合型，但与印支期火山-侵入杂岩相比，其地壳物质的比例增高。

G4→1H6 radiation transitions is measured under excitation by 1.06μm laser radiation from a Nd:YAG. In addition, the 5 anti-Stokes spectrum lines from stimulated Raman scatting are observed in ZnWO4:Tm3+ crystals.

在Nd：YAG激光器产生波长1.06μm强脉冲激光激发ZnWO4：Tm3+单晶时，测得 Tm3＋离子1G4至3H6跃迁的波长在484 nm范围的蓝色上转换荧光光谱。

This thesis describes the system of frequency stabilization of a Nd:YAG-KTP laser to Doppler-Broadened absorption lines of ?

本文论述了Nd：YAG-KTP碘分子多普勒展宽吸收谱线稳频系统。

ND steel ; Sulfuric acid dew-point corrosion resistance ; mechanical property ; 100% quality inspection

ND钢；耐硫酸露点腐蚀；力学性能； 100%质量复查

The high-efficiency SRS in barium nitrate Ba(NO32 crystal was obtained pumped by a Q-switched Nd:YAG laser (532 nm) operated at 30 Hz.

报道了利用重复频率为30 Hz，波长为532 nm 的Nd∶YAG倍频激光单次通过抽运硝酸钡（Ba(NO3)2）晶体（晶体由水溶液降温法生长，长度为48 mm，横截面为10 mm×10 mm），获得高效率的一阶（563 nm），二阶（599 nm）和三阶（639 nm）斯托克斯光的实验结果。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。