筛分析

Method］ From 27 pairs of porcine microsatellite primers recommended by Food and Agriculture Organization of the United Nations and International Society for Animal Genetics, six pairs (S0155, SW240, IGF1, SW951, SW857, SW24) were selected for microsatellite DNA detection of three Guizhou local pig breeds including Nuogu Pig, Kele Pig and Guanling Pig. Subsequently, their genetic diversities were analyzed.

方法］ 根据联合国粮农组织和国际动物遗传学会联合推荐的27对猪微卫星引物，从中筛选出6对(S0155，SW240，IGF1，SW951，SW857，SW24)，用于对糯谷猪、柯乐猪、关岭猪3个贵州地方猪群体进行微卫星DNA检测，进而分析其遗传多样性。

In the present paper, Genetic diversity of Radix Aconiti Lateralis Preparata and 9 wild populations of A.

从63个ISSR引物中筛选出8条条带清晰、多态性高的引物用于江油附子及野生乌头居群的遗传多样性分析。

During screening of seaweeds from different places in Europe for antimicrobial actiities against human and fish pathogenic bacteria, Laurencia chondrioides was identified as a promising species. By bioassay-guided isolation, followed by structure elucidation by mass spectrometry and 1H- and 13C-NMR spectrometry, two sesquiterpenoides of the chamigrene-type from the selected red seaweed Laurencia chondrioides were identified.

在对欧洲不同地方的海藻进行抗人类和鱼类病原菌的活性筛选中，凹顶藻Laurencia chondrioides被认为是最具前景的种类，通过生化分离和质谱和H、C核磁共振谱的分析，从所选的红藻Laurencia chondrioides中鉴定出了2种C型倍半萜。

Refers to Down's syndrome (Down's syndrome, dementia-like伸舌) screening, that is, pumping blood or amniotic fluid do villus cells, and then do Karyotype analysis, such as the emergence of 21 - trisomy map, you can diagnose fetus for Down syndrome. 2, AFP Chinese name for the AFP, such as maternal and fetal amniotic fluid were increased AFP confirmed fetal neural tube defects, namely spina bifida, spinal Meningocele, no brains infants, microcephaly, hydrocephalus.

是指唐氏综合症的筛查，就是抽绒毛血或羊水做细胞培养，然后做染色体核型分析，如出现21-三体综合征图谱，即可诊断胎儿为唐氏综合征。2、AFP中文名称为甲胎蛋白，如母血及胎儿羊水AFP均增高，证实胎儿有神经管畸形，即脊柱裂、脊脑膜膨出、无脑儿、小头畸形、脑积水。

Objective To explore the characteristics of symptoms of meningoencephalocele and the selection of the most appropriate surgical approach.

目的 探讨脑膜脑膨出的诊断和选择最佳手术入路。方法对1986年1月？1997年8月收治的11例患者（额筛型5例，基底型5例，枕后型1例）进行临床分析。

Most of the substances in the deposit were the nonsticky calcium carbonate and fines that could adhere to the sticky contaminants and deposit together, resulting in a great deal of the deposit.

对福建南平纸厂网前压力筛处的胶粘物进行分离和分析发现，以聚醋酸乙烯酯和聚丙烯酸酯为代表的人工合成聚合物以及机械浆中的木材树脂是产生胶粘物的根本来源，但它们在胶粘物沉积中的含量只有5%左右。

Discusses and analyzes in detail the sieving result of outspent asphalt mixture, properties of aggregate and especially the properties of the asphalt mixture in which the reclaiming agent has been added in the outspent one.

对原路面沥青混合料的筛分结果、骨料的性质以及原沥青与加入再生剂后沥青材料的性质进行了较为详细的研究与分析。

According to the results of agronomic traits and isoenzyme analysis, 20Gywas screened as the suitable dose for two varieties of Polianthes mutagenic L.

经农艺性状及同工酶分析，初步筛选出2个晚香玉品种的适宜辐照剂量为20Gy。

Effect of grinding aids on grinding efficiency of Portland cement,slag cement and pozzuolana cement was evualated by adopting indexes such as residue of sieve,specific surface area and size distribution.Some references were provided for the selection of grinding aids by comparision test and results analysis.

选取了立窑和回转窑2种熟料，在同一试验条件下掺入不同种类及掺量混合材磨制成若干个试样，并采用筛余、比表面积及粒度分布等指标来评价助磨剂对普通硅酸盐水泥、矿渣水泥和火山灰水泥粉磨效率的影响，并进行了对比研究，通过作用效果的分析，为助磨剂的选用提供了参考依据。

Methods Forty - six prelingual deaf children and 30 children with normal comprehension were obtained, and the del（ GJB6 - D13S1830） in the Cx30 gene were screened by polymerase chain reaction in 2 groups.

方法收集46例散发的语前聋患儿及听力正常健康对照30例血标本，提取DNA后利用聚合酶链反应分析方法，筛查Cx30基因del（GJB6-D13S1830）突变。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐