【Abstract】Four styles of parenting practices typify European American families. A considerable evidential body indicat......

Twenty-five derivatives of glycyrrhetinic acid(GA) modified on the A-ring,at C30 and C11 positions were synthesized.Thei......

同学们，我们已经学习了很多有关家庭亲属称谓的词，如Mum／mother，Dad／father等。在世界大多数地方，孩子刚开口学说话时，最先学会的都是对妈......

他们年轻时是普通人，既没有表现出出众的才华，家庭条件也一般。岁月流逝，后来他们克服种种磨难，在各自的领域都取得了卓越的成就。他们......

综述父母亲肥胖对子代影响的研究现状,为预防肥胖的发生发展、研究其发病机制提供理论依据。以“父母”、“肥胖”、“子代”、“......

The investment of Samsung Electronics in China is divided into three types: production companies, sales companies and R&......

It has been proved that those who speak many languages have an easier time gaining others and these persons can be calle......

替代词主要用于替代前面出现过的名词，以避免重复。比较常见的替代词有 one， the one， ones， the ones， that， those 等。现将其用法说明......

My heartfelt thanks to you，dear teacher.亲爱的老师，我向您表达最衷心的感谢。　　On this day I honour you sincerely. 今天，我......

The 2.5 dimensional silica fiber reinforced nitride matrix composites (2.5D SiO2f/Si3N4-BN) were prepared through the pr......

As one of Shakespeare’s most famous and most frequently performed plays,the romantic tragedy Romeo and Juliet describes......

Based on the results of multipurpose regional geochemical surveys of the Guizhou Province, geochemical characteristics o......

Matching soil grid unit resolutions with polygon unit map scales is important to minimize the uncertainty of regional so......

Focused crawlers are important tools to support applications such as specialized Web portals, online searching, and Web ......

You see it in movies all the time. Some guys get hit right in the privates. Yow！ If you’re a boy， you probably already kn......

Objective To evaluate the impact of family-school combined sex education among middle school students. Methods This is a......

205 surface pollen samples from different communities in Northern China were analyzed to understand the quantitative rel......

Ursolic acid was modified at C3 and C28 position to obtain fourteen derivatives including twelve novel compounds, and th......

一、多项选择　　1. That would enable the farmers to double their_________ of their rice and cotton every year.　　A. nut......

The copper (Cu) content in 205 soil samples (0-20 cm) of Tibet, covering 5 soil classes, were analyzed. The results show......

Poursuivre sesétudes ou chercher du travail?Se lancer dans une aventureéblouissante ou choisir une vie ordinaire mais ......

As an elegant generalization of wavelet transform,wavelet packet(WP) provides an effective representation tool for adapt......

目的了解廊坊市中小学生家长学校突发公共卫生事件防控相关知识知晓率和行为正确率,为学校和卫生部门开展学校突发公共卫生事件工......

结合国内外玉米育种文献,对提高玉米育种效率的可能途径进行了探讨。结果表明,通过对玉米育种目标和策略的总结和反思,对育种技术......

Background: The Readiness for Hospital Discharge Scale (RHDS)-Parent Form shows satisfactory reli-ability and validity t......

Tiller angle of rice is an important agronomic trait that contributes to breed new varieties with ideal archi-tecture. I......

Heterosis has contributed greatly to yield in maize, but the nature of its contribution is not completely clear. In this......

The recently proposed Cuckoo search algorithm is an evolutionary algorithm based on probability. It surpasses other algo......

Objective To evaluate the impact of family-school combined sex education among middle school students.Methods This is a ......

目的 了解慢性病患儿父母的应激源、应对方式、心理状态及其影响因素,为临床工作者提供信息,为临床干预提供依据.方法 对280名慢性......

目的 观察肠内免疫微生态营养(EIN)对重症急性胰腺炎(SAP)模型猪肠道屏障功能的影响.方法 家养猪20头注入5%牛磺胆酸钠和胰蛋白酶......

目的：分析脑瘫患儿父母生存质量的影响因素，为提高脑瘫患儿父母生存质量提供参考依据。方法：采用世界卫生组织生存质量测定简表（ WHOQO......

[目的]为芒果杂交育种工作提供理论依据.[方法]研究广州甘蔗糖业研究所海南甘蔗育种场59个常用芒果亲本与32个亲本摘花处理后连续3......

系统介绍了两优289母本核心种子生产、海南冬季繁殖技术,以及父本生产繁殖技术,为两优289制种生产提供合格优良的亲本。2013年繁殖......

目的探讨基于回馈理论的健康教育在癫痫患儿父母中应用的效果。方法采用便利抽样法选取2019年9-12月我院收治的198例癫痫患儿的父......

一、完形填空。　　I will never forget an experience fifteen years ago. It was a warm sunny Saturday afternoon. I 1 to ta......

目的 了解学龄前肥胖儿及其家长饮食行为方式，为肥胖儿干预提供有力依据。方法 随机抽取西安市新城区4所幼儿园的所有儿童，筛查出......

采用烟碱转化株早期诱导鉴别方法，对3个白肋烟杂交种及其亲本的烟碱转化率进行了分析．结果表明，不同杂交种生物碱组成和含量存在显著......

目的 探索农民工子女孤独,抑郁以及父母养育方式之间的关系,为维护农民工子女的心理健康提供参考依据.方法 以深圳市218名小学高年......

对我校育成的小麦种质资源农大89-2729的性状及系谱进行了阐述及评价，认为种质资源农大89-2729是一个优良性状遗传传递力强、配合力......

甘糖6号是综合经济性状优良的甜菜多粒雄性不育杂交品种，实践表明，甘糖6号的良种繁育，要掌握3个重点环节．即不育系及其保持系的不断选......

以最适生长温度为20℃而β－胡萝卜素产量较高的法夫酵母（Phaffic rhodozyma）和最适生长温度为30℃的红酵母属（Rhodozyma)RY-1菌株为亲......

采用烟碱转化株早期诱导鉴别方法，对白肋烟达白系列杂交种及亲本材料不同烟株的烟碱转化率进行了分析测定，并配置了改良杂交种。结果......

随着我国经济的快速发展,居民收入水平的显著提高,家庭对教育的投入空前高涨,校外辅导作为新的教育投资热点也被越来越多的人所关......

目的探讨早期给予谷氨酰胺（Gln）强化肠外营养对危重病患者脏器功能的影响及其与预后的关系。方法选择本院急诊及神经外科重症加强治......

利用6个三系不育系与4个抗瘟性不同的恢复系按不完全双列杂交设计配制24个杂交稻组合，对其进行病圃穗颈瘟鉴定，并用60个来自四川和重......

目的分析自闭症儿童父母的心理状况，实施及时有效的健康教育。方法采用症状自评量表（SCL-90）、抑郁自评量表（SDS）、焦虑自评量表（SAS ）对8......

【目的】研究甘蔗(Saccharum spp.)亲本特性,为甘蔗杂交育种提供参考。【方法】对30个常用甘蔗亲本资源进行初步评价,分析其在锤度......

目的了解注意缺陷多动障碍儿童家长对儿童多动症相关知识的了解现状和焦虑情绪的发生情况。方法采用一般情况调查表、疾病知识问卷......

目的了解婴幼儿家长对与婴幼儿早期发展相关的认知水平及健康教育效果，为有针对性的开展儿童早期综合发展工作提供参考依据。方法在......