烟酸钕Nd2(C5H4NCOO)6(H2O4的晶体结构

从ＬｎＡｌａＮＡ溶液（Ｌｎ＝Ｎｄ,Ａｌａ＝Ｌ－丙氨酸,ＮＡ＝烟酸）中得到烟酸钕晶体,其晶体结构用四元Ｘ射线衍射技术测定。化合物为二聚体结构,属单斜晶系,Ｐ２１／ｃ空间群,晶胞参数：ａ＝９．６８６（２）,ｂ＝１１．９９６９（１１）,ｃ＝１７．２２０６（１３）,β＝９２．５５０（９）°,Ｖ＝１９９９．２（４）３,Ｚ＝２,Ｄｃ＝１．８１６ｍｇ／ｍ３。Ｎｄ配位数为８,配位多面体为畸变四方反棱柱。     

迷彩伪装涂料配方的计算机自动设计

寻找极伪装涂料宽光谱计算机自动求解配方的算法。方法采用三刺激值匹配法,光谱匹配法、综合计算法,并分析了上述三种匹配法的异同点以及适用范围。结果和结论三刺激值匹配法适用于可见光范围,光主普匹配法适用于宽光谱匹配,综合计算法能使配方满足伪装涂料在可见波段和近红外波段的各项性能要求,得到较好的伪装效果。     

16MnR钢夹杂物的行为

系统地调查研究了１６ＭｎＲ钢在整个生产过程中钢中夹杂物的演变规律和清洁度水平,重点考察了钢锭中大型氧化物夹杂的类型,数量,分布,来源的形成,结果表明：钢锭中夹杂物主要是块状Ａｌ２Ｏ３,钢锭中大颗粒夹杂物主要来源于复合渣卷渣。     

再入飞行器总体参数优化设计

研究再入飞行器总体参数的优化设计方法。方法在内部装填物参数给定的情况下,应用步长加速法与外点罚函数相结合的优化设计方法,以再入飞行器的最小质量为目标函数,求得最优设计方案。     

无蹼壁虎消化道组织学及组化观察初报

Ｃａｒｎｏｙ固定,常规石蜡包埋、切片、Ｈ．Ｅ染色、ＰＡＳ反应、ＲＮＡ反应,对无蹼壁虎消化道的组织学进行光镜观察．结果表明：其消化道由同心圆的粘膜层、粘膜下层、肌层和浆膜层组成．绒毛发达,绒毛的上皮细胞为单层柱状上皮．消化腺为分枝管状腺．ＰＡＳ反应显示柱状细胞纹状缘,杯状细胞和腺细胞呈强阳性,与分泌的粘多糖有关．ＲＮＡ反应显示腺细胞呈强阳性,与腺细胞分泌活动有关．     

Explicit analytical solutions of non-Fourier heat conduction equation for IC chip

Four basic explicit analytical solutions of non-Fourier heat conduction equation simulating IC chip thermal condition are derived. Some other analytical series solutions can also be derived with the above-mentioned basic solutions. Analytical solution has its own irreplaceable important meaning in theory. In addition, as the standard solution to check the accuracy, convergence and effectiveness of various numerical computational methods and their differencing schemes, grid generation ways and so on, the analytical solution is very useful also for the newly rapidly developing computational heat transfer.     

Buckling of a ferromagnetic thin plate in a transverse static magnetic field

An energy theory is proposed on the buckling of a ferromagnetic thin plate in a transverse static magnetic field. The analytic solution of critical field for plates is obtained by using variational method. It is shown that the critical magnetic field is not only influenced by the ratio of the thickness to the length, but also by the width, total length and the magnetic susceptibility of the specimen. Theoretical calculations agree with experiments reasonably.     

Almost periodic solution to singular systems

The problems about the almost periodic solution to singular systems are studied. The criterion that the singular systems have almost periodic solutions is obtained. At the same time, the applied example is given.     

Identification and classification of subspecies of Asian cultivated rice and their hybrids

Having reviewed the major classification systems proposed by various scholars across the world, it is found thatindica andjaponica underO. sativa L. are two major directions thoroughly differentiated from the Asian cultivated rice, forming the framework of the classification structure. A system withindica andjaponica as the only two subspecies is therefore reiterated. There are various ways to determine the indica-japonica identity of hybrid rice, but the “combined morphological trait index” (CMT index) method is more efficient and easier to handle, although the isozyme analysis, molecular marker analysis and grain quality assay methods are also feasible.