查询词典 Nd

This thesis has emphasized studies on forming mechanism of dioritic quenched enclaves in the subvolcanic dikes and cryptoexplosive breccia at depth of the Zoujiashan uranium deposit, systematically studied the diagenetic ages, geochemical characteristics and Nd, Sr, Pb and Lu-Hf isotopic compositions of the Xiangshan volcanicintrusive complex and mineralization at depth of the Xiangshan ore-field.

本文重点解剖了相山次火山岩中闪长质淬冷包体及邹家山富大铀矿床深部隐爆角砾岩的成因机制；系统研究了相山火山-侵入杂岩的成岩时代及其Nd、Sr、Pb和Lu-Hf同位素组成；同时还对相山火山-侵入杂岩的岩石地球化学特征及相山矿田深部的成矿作用进行了深入研究。

Methods 37 patients with after-cataract in 38 eyes were managed by using Nd:YAG laser discission. The surgery adopted was reviewed, including its power setting, method of discission, therapeutic effect and treatment of complications.

回顾性分析37例38只眼Nd：YAG激光治疗后发性白内障的方法、击发能量与脉冲、术后效果和并发症。

Electrooptical Q switching technology is applied to the Nd:YAG laser pumped by a CW Kr lamp.

电光调Q技术被应用于连续氪灯抽运的Nd：YAG激光器件。

The Middle Proterozoic Caiziyuan peridotite was formed in the epicontinental basin at the ocean-land boundary or within-continent rift basin. Its mantle source could be metasomatized by the dehydration fluid of subducted plate, and much initial radioactive 〓Nd was added to the source.

中元古代菜子园橄榄岩形成于洋陆交界的陆缘盆地或与大洋相连的陆内裂陷盆地，其源区可能受到俯冲板块脱水流体的交代作用，有大量初始放射性〓Nd加入。

Transgenic NahG and Col, Shakh-dara, Nd-1, WS-2 and Kas-1 ecotypes were all compatible to Sphaerotheca cucurbitae, Alternaria porri, Erysiphe cucurbitacearum and Alternaria solani. her ecotype was incompatible to Alternaria porri and Alternaria solani. C24, Est-1, Ws-0 and Bay-0 ecotypes were all incompatible to Sphaerotheca cucurbitae, Alternaria porri, Erysiphe cucurbitacearum and Alternaria solani.

转基因NahG和生态型Col、Shakh-dara以及生态型Nd-1、WS-2、Kas-1分别对丝瓜白粉病菌、葱链格孢、葫芦白粉病菌和番茄早疫病菌表现为亲和反应；生态型Ler对葱链格孢和番茄早疫病菌表现亲和反应：而生态型C24、Est-1、Ws-0和Bay-0对丝瓜白粉病菌、葱链格孢、葫芦白粉病菌和番茄早疫病菌均表现为非亲和反应。

Application of the forcipressure to the CO_2 laser circumcision and Nd : YAG laser to the condyloma acuminatum was used.

因男性患者都有包皮过长的特点，采用了钳夹法CO＿2激光包皮环切术，Nd：YAG激光治疗尖锐湿疣，对治疗机理进行了讨论。

The results indicated that (1) the 147Pm, 141Ce and 147Nd had strong adsorptivity in soil, so they were hard to transfer and easily accumulated in soil or sediment;(2) all the organisms (5 aquaties and 4 eatable plants) tested showed apparent 147Pm concentrating capabilities;(3)the residues of 147Pm, 141Ce and 147Nd were unevenly distributed in the animal's viscera and tissues, higher residues were found in bone, marrow, eye, brain, heart, adipose and testis, showing selective accumulation;(4) with intraperitioneal dosing of Nd or Ce 200mg ·kg -1 apparent inhibition to gonadial hormone secretion in mice was found and with 200 and 800mg·-1 of Ce added in feed, the malformation rate of spematozoon showed higher.

综合研究结果表明： 14 7Pm、14 1Ce和14 7Nd在土壤中具有强的吸附性，而且难以迁移，易于在土壤和底泥中积累；( 2 )供试的 5种水生生物、4种陆生食用植物对14 7Pm均具有明显的富集性；( 3) 14 7Pm、14 1Ce、14 7Nd在动物体内脏器和组织间呈不均匀分布，在骨骼、骨髓、眼、大脑、心脏、脂肪和睾丸中残留量较高，表现了明显的选择性蓄积；( 4 )一次性腹腔注射2 0 0mg·kg-1的Ce和Nd对小鼠性腺激素的分泌有明显的抑制作用，以 2 0 0和80 0mg·-1的Ce随饲料摄入对雄性小鼠精子畸形率明显升高。

Not only Sr-Nd isotopic but also Pb isotopic represent the characteristics of crustal granitoid.

无论Sr-Nd同位素还是Pb同位素特征都表现出壳源花岗岩的特点。

The growth of the continental crust of southeastern China has been discussed based on the compilation of Nd isotopic model ages of metamorphic basement and granitoid rocks from the region.

中国东南变质基底岩石及各时代花岗岩的Nd同位素模式年龄的统计研究结果表明，该地区太古代—古元古代陆壳以横向增生方式形成，显生宙表现为局部的垂向增生。

Experiment results show, in the HD process, the temperature of dehydrogenation process sets at about 580℃, can make the hydrid of Nd complete turning into NdH_2 which can resist being eroded and oxidation, so it increases the resistance to oxidation of the magnet powders.

研究结果表面，在氢爆HD工艺中，采用580℃左右的温度进行工艺中的脱氢过程，可以使富Nd相氢化物充分脱氢成稳定不易腐蚀氧化的NdH_2，增强了磁粉后续工艺中的抗氧化能力。

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。