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In this research, the ~ and F2 of the crosses between a natural mutant 慪34?with super-minute grain and 慪38?with super-large grain,慡huhui 881擲huhui 527?with middle grain size were carried out to study the inheritance of the grain shape (grain length, grain width, grain thickness and grain length/width ratio) and 1000-grain weight. The main results are summarized as below:? The F1 grain length, grain width, grain thickness and 1000-grain weight of three crosses were lay between the two parents and tended to Y34, which indicated that those grain traits were all governed by the dominant effect of Y34 and influenced by both female and male parents. The differences of F1 grain length, grain width, grain thickness and 1000-grain weight of positive and negative crosses between Y38 and Y34 indicated the existence of cytogene effects.? The broad heritabilities of major grain traits were calculated.

本研究利用一份水稻极小粒自然突变材料Y34与一份水稻极大粒材料Y38、两份常规籽粒大小材料蜀恢881、蜀恢527的杂交F_1及F_2，对主要粒形性状（粒长、粒宽、粒厚、长宽比）及千粒重进行了遗传研究，根据遗传研究的结果利用微卫星标记结合F_2群分法对控制Y34短粒性状基因进行了分子标记定位，主要结果如下：●各组合F_1粒长、粒宽、粒厚和千粒重介于双亲之间且明显偏向于小值亲本 Y34，这表明粒长、粒宽、粒厚和千粒重均主要受小值亲本显性基因的控制并同时也受大值亲本核基因的影响。Y34与Y38正反交F_1在粒长、粒宽、粒厚、千粒重等性状上存在差异，表明存在细胞质效应。

Result Richards Model and Monodic Quadratic Equation could properly describe grain dry matter growing process and the change process of grain filling rate with days after anthesis. There was big difference in average grain filling rate, maximum grain filling rate under different planting density. Average grain filling rate 1.26 mg/ and maximum grain filling rate 2.44 mg/ of T7 were the quickest, and the average grain filling rate 0.94 mg/ and maximum grain filling rate 1.99 mg/ of T12 were the slowest, and the maximum difference percentage of the average grain filling rate and maximum grain filling rate among different density were 33.98%, 22.61%. There was significant correlation between average grain filling rate, maximum grain filling rate, grain filling active duration, rapid increasing stage and thousand grain weight, and the correlation coefficients were 0.628*, 0.630*, 0.849**, 0.739**. Active grain filling duration contributed mostly to TGW.

结果不同密度处理间千粒重、单位面积穗数、穗粒数、单株穗数、单位面积籽粒产量均存在显著差异；不同密度处理冬小麦的籽粒灌浆均符合慢－快－慢的&S&型生长特性，用Richards模型能很好地模拟冬小麦籽粒增重过程，用一元二次抛物线方程能较好地模拟冬小麦灌浆速率随花后时间变化过程；不同密度处理间平均灌浆速率、最大灌浆速率有较大差异，最大差异率分别为33.98%、22.61%，T7的平均灌浆速率1.26mg/及最大灌浆速率2.44mg/均最大，T12的平均灌浆速率0.94mg/及最大灌浆速率1.99mg/均最小；平均灌浆速率、最大灌浆速率、灌浆活跃期、灌浆快增期与千粒重显著或极显著正相关，相关系数分别为0.628*、0.630*、0.849**、0.739**；通径分析表明，灌浆活跃期对千粒重的贡献最大。

The results were as follows, the total cultivated area of Liaoning province has declining tendency in recent 26 years, the total grain yield and the grain yield per unit area increased in "wave" style; the grain yield per unit area and total planting area had the great effect on total grain yield, and the effect of yield per unit area on total grain yield is bigger than that of planting areas; the yield and the planting area of different crops also affected total grain yield greatly, and maize, rice, durra, wheat affect the total grain yield by grain yield per unit area, while millet, maize, wheat affect the total grain yield through planting area changing.

得出如下结论，辽宁省近26年粮食总播种面积呈下降趋势，粮食总产量和平均单产受气候条件影响呈波动式增加；粮食总播种面积和平均单产均显著影响着粮食总产量的变化，并且粮食平均单产的变化对总产的影响要大于粮食播种面积的影响；各种作物的产量和播种面积变化都影响粮食总产量的变化，但各种作物对粮食总产量影响的方式不同，其中玉米、水稻、高粱和小麦主要是通过单产的变化影响粮食总产量，谷子、玉米和小麦则是通过播种面积的改变来影响粮食总产量的变化。

The main creating aspects are finding and clarify such a fundamental physical process that the grain boundaries emit vacancies under compressive stress to induce solute non-equilibrium grain boundary dilution and absorb vacancies under tensile stress to induce non-equilibrium grain boundary segregation, formulizing the structural equations and the composition equations in force equilibrium in grain bounary region to describe this physical processes and the kinetic equations for non-equilibrium grain boundary segregation under tensile stress, calculating the modulus in grain boundary region from the expermental data of grain bounday segregation using the structure and coposition equations and calculating the diffusion coefficients of vacancy-solute atom complexes using the kinetic equation simulating the experimental results of grain boundary segregation.

本项目的主要创新点是，发现并阐明了弹性应力场作用下空位与晶界交互作用的基本物理过程：在张应力作用下，晶界会吸收空位，引起溶质非平衡晶界偏聚；压应力作用下，晶界会发射空位，引起非平衡晶界贫化。建立了描述此物理过程的晶界区力学平衡的结构方程和成分方程；？建立了张应力引起的非平衡晶界偏聚动力学方程？；用晶界区力学平衡的结构方程和成分方程？，首次通过实验测量计算出多晶材料晶界区的弹性模量；通过建立的动力学方程模拟实验结果，首次获得溶质原子－空位形成的复合体的扩散系数。

At 10:18 on March 6, Jiagang Grain Logistics Dock, the biggest grain dock in North Zhejiang (, and historically the first grain stock in the north of Hangzhou Bay), was completed and started its service, which ended the history that there were no grain dock in the north of Hangzhou Bay and set up a marine line for grain reserve and market grain and the transportation of axunge and oil from the north to south and grain export.

3月6日上午10点18分，目前浙北最大的粮食码头——嘉港物流粮食码头正式建成启用，标志着从此结束了杭州湾北部没有粮食码头的历史，从战略上打通了储备粮和市场粮食供应、油脂油料的北粮南调以及进口粮食的海运通道，对确保嘉兴、杭州乃至全省的粮食安全也有着重要作用。

To achieve the aim to lower cost of grain circulation, promote sales of grain, and increase farmers' income, Jiaohe employs the modes of grain supply chain: farmers + grain gathering storage + grain transfer storage, farmers + rural cooperative economic organization + transfer storage, farmer + grain broker + transfer, grain logistics of the third party, etc.

蛟河市为实现降低粮食流通成本、促进粮食销售和增加农民收入的目标，可以采用农户＋粮食收纳库＋粮食中转库、农户＋农村合作经济组织＋中转库、农户＋粮食经纪人＋中转库、第三方粮食物流等粮食供应链模式。

At 10:18 on March 6, Jiagang Grain Logistics Dock, the biggest grain dock in North Zhejiang was completed and started to be used, which ended the history that there were no grain dock in the north of Hangzhou Gulf and set up a marine line for grain reserve and market grain, and the transportation of axunge and oil from the north to south and grain export.

3月6日上午10点18分，目前浙北最大的粮食码头——嘉港物流粮食码头正式建成启用，标志着从此结束了杭州湾北部没有粮食码头的历史，从战略上打通了储备粮和市场粮食供应、油脂油料的北粮南调以及进口粮食的海运通道，对确保嘉兴、杭州乃至全省的粮食安全也有着重要作用。

At 10:18 on March 6, Jiagang Grain Logistics Dock, the biggest grain dock in North Zhejiang was completed and started its service, which ended the history that there were no grain dock in the north of Hangzhou Bay and set up a marine line for grain reserve and market grain, and the transportation of axunge and oil from the north to south and grain export.

3月6日上午10点18分，目前浙北最大的粮食码头——嘉港物流粮食码头正式建成启用，标志着从此结束了杭州湾北部没有粮食码头的历史，从战略上打通了储备粮和市场粮食供应、油脂油料的北粮南调以及进口粮食的海运通道，对确保嘉兴、杭州乃至全省的粮食安全也有着重要作用。

At 10:18 on March 6, Jiagang Grain Logistics Dock, the biggest grain dock in North Zhejiang, and historically the first grain stock in the north of Hangzhou Bay, was completed and started its service, which set up a marine line for grain reserve , market supply , grain import and the transportation of axunge and oil from the north to south. It plays an important role in ensuring grain security in Jiaxing, Hangzhou and even the whole Zhejiang.

3月6日上午10点18分，目前浙北最大的粮食码头——嘉港物流粮食码头正式建成启用，标志着从此结束了杭州湾北部没有粮食码头的历史，从战略上打通了储备粮和市场粮食供应、油脂油料的北粮南调以及进口粮食的海运通道，对确保嘉兴、杭州乃至全省的粮食安全也有着重要作用。

Through the treatments of defoliate, darken ear and darken peduncle, we studied the effects of wheat photosynthesis organs on five items, such as 1000-grain weight, grain weight/ear, grain number/ear, contribution to 1000-grain weight and contribution to grain weight/ear in different fertilizations.

为了解小麦光合器官对产量的作用以及施肥的调节效应，通过剪叶、包穗、包穗下节等处理，研究了不同施肥条件下小麦光合器官对千粒重、穗粒重、穗粒数的影响以及对千粒重贡和穗粒重的贡献率。

Objective To study the effect of chitosan in the prevention of fibrous scar formation in the epidural space after laminectomy.

目的 观察选择性脊神经后根切除术椎板切除后硬膜外几种防瘢痕粘连物质的作用并探讨其机制。

On his way to the lift, he looked back to us or was it me his eyes pointing?

当他要进电梯时，他回头看我们（或者说是我，他的眼光？