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L-Azetidine-2-carboxylic acid, also named-Azetidine-2-carboxylic acid, commonly named L-Aze, was first isolated in 1955 by Fowden from Convallaria majalis and was the first known example of naturally occurring azetidine.

L-氮杂环丁烷-2-羧酸，又称-氮杂环丁烷-2-羧酸，简称为L-Aze.1955年，由Fowden从植物铃兰中分离得到，成为第一个被证实的植物中天然存在的氮杂环丁烷结构。

Eighthly, full noun phrases are the most common subjects occurring with the copular verb be utilized by Chinese learners. Pronouns are also highly used as subject with the copular verb be in CLEC. Ninthly.

第八，名词是最常被中国学习者用作主语与系动词BE搭配的，代词用作主语与系动词BE搭配的频率也很高。

The results were found as following:(1) The damage value increases more significantly with the increase in PVF before 30% PVF, beyond which the increasing trend becomes gradually gentle.(2)Keeping the interphase strength and PVF unchanged, the damage increase with increasing moisture concentration in a nearly linear relation.(3)The results generated from the FCC model with consideration of the interphase debonding are in good agreement with the experimental data, meanwhile, the FCC model is also capable of predicting the critical load for the damaged and the undamaged dental composite subject too the 3-point flexural test.4 A 3D-fmite element analysis has been successfully exploited to examine the mechanical behavior of the restoration-tooth structure under the polymerization shrinkage and water sorption. It was found:(1) The low stiffness of the composite has the effect to limit the displacement occurring in the remaining tooth tissue. For lower interphase, the cuspal flexures are litter higher. The high interphase modulus acts as a \'shielding effect\' for stress transfer.

得到如下结论：(1)相同的吸湿性，在30％PVF(颗粒体积分数：Particle volume fraction，PVF)前增加PVF，层间脱胶损伤值显著增加；此后损伤值的增加趋于平缓；(2)保持层间强度和PVF不变，层间脱胶损伤随吸湿率的增加而接近线性增加；(3)FCC(面心立方：Face-centred cubic，FCC)模型层间脱胶损伤的预测结果和实验数据基本吻合；同时此模型可以用于预测牙齿填充材料三点弯曲实验的临界载荷。4、建立理想牙齿修复结构，利用有限元方法研究了同时考虑聚合收缩和吸湿膨胀耦合作用下的填充修复材料和粘结界面层材料性能对牙齿修复结构的力学行为的影响，得到如下结论：(1)低弹性模量的牙齿填充修复材料能限制天然牙组织的位移，但天然牙组织的位移与粘结界面层的弹性模量无关。

Morphologic Diversity of Malignant Neoplasms Arising in Preexisting Spiradenoma, Cylindroma, and Spiradenocylindroma Based on the Study of 24 Cases, Sporadic or Occurring in the Setting of Brooke-Spiegler Syndrome

从汗腺瘤、圆柱瘤和汗腺圆柱瘤进展而来的恶性肿瘤的形态具多样性，基于对24例肿瘤散发或以Brooke-Spiegler综合症为基础病变的患者的研究

It is well known that retinal pigment epithelial cells are predominant proliferative cells in PVR which is an excessively wound healing response occurring after RPE cell wounding. The activated RPE cells migrate from their normal, sessile state to vitreous and onto both surfaces of the retina, in which they begin to dedifferentiate, migrate, proliferate, change phenotype and secrete ECM.

既往研究证明视网膜色素上皮(retinal pigmentepithelial，RPE)细胞是参与PVR的主要细胞，PVR是视网膜脱离后RPE细胞损伤的一种自我修复过程，是一种过度的眼内创伤修复反应；RPE细胞在正常位置上处于静止状态，而在某些病理条件下，如视网膜裂孔形成和视网膜脱离后，RPE细胞脱离原位，开始去分化、移行、增生、发生表型转化并分泌胶原等ECM，最终在视网膜前后表面和玻璃体内形成具有收缩能力的增生膜，造成牵拉性视网膜脱离。

The primary ores of the Laozuoshan gold deposit is a heavily disseminated and massive gold ores the main metallic mineral of which is pyrrhotite that account for approximately 11% occurring in migmatitic granite in disseminative and massive form and its gangue minerals take about 80% with quartz and feldspar as main minerals.

老柞山金矿原生矿石为稠密浸染状、致密块状金矿石，矿石中主要金属矿物为磁黄铁矿，约占11%，磁黄铁矿以浸染、致密块状分布于混合花岗岩中；脉石矿物约占80%，以石英、长石为主。

Conduct disorder, usually occurring in younger children, primarily characterized by markedly defiant, disobedient, disruptive behaviour that does not include delinquent acts or the more extreme forms of aggressive or dissocial behaviour.

这类行为规范障碍症发生於九或十岁以下的儿童。其定义为有明显的反抗，不服从、激怒他人的行为，但是无较严重的损害别人权益或违法的异规性或攻击行为。

To be competent enough for a job which is scientific research in the field of naturally occurring drugs pharmacochemistry and correlate domanial of the Chinese crude drug.

可胜任天然药物化学以及中药相关领域的科研工作。

The changes of free radicals metabolism and membrane ingredients and morphology of mammary gland epithetical cells in cow suffered from Alcohol Positive Milk were studied in this paper for studying the molecular mechanism of APM/s occurring further.

为了进一步研究酒精阳性乳的发病机理，本研究从乳腺上皮细胞自由基代谢、膜组分改变和形态学变化的角度对酒精阳性乳的发病机理进行了探讨。

Grouped vesicles on an erythematous base occurring unilaterally are indicative of herpes zoster. It is a common early or initial manifestation of HIV infection.

单侧发生的红斑基底上的群集水疱是带状疱疹的指征，也常是 HIV 感染的早期表现。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。