头胎

AIM To study the application of air sac obstetric apparatus in natural vaginal labor and its role in avoiding the conventional cesarean section in abnormal position of fetal head and the breech presentation with normal weight i nfants.

目的 通过对胎头位置异常120例及臀位60例施行气囊助产术研究，可使多数按常规处理应行剖宫产术的胎头位置异常者转化为阴道分娩，还能顺利解决正常体质量之臀位经阴道分娩。

Primigravida with high float fetal head during labor is one of the signals to have dystocia.

结果 胎头高浮的发生率占头位分娩的16%，227例胎头高浮的初产妇仅15例顺产，其难产发生率为93.39%。

Normally, if the head is at 0 Station, the biparietal diameter is at the pelvic inlet and the head is fully engaged.

通常，如果胎头处于零点位置，双顶径与骨盆口契合，那么胎头可以充分进入。

Ovary superior or semi-inferior, 1-loculed, with 2-9 parietal placentas, rarely incompletely 2-9-celled by placentas protruding deeply into locule; ovules 2 or more on each placenta, orthotropous, anatropous, or hemi-anatropous; styles isomerous with placentas, free or partly to completely united, rarely absent, stigmas small or large, capitate to flattened and branched.

子房上位和半下位，1室，有2-9侧膜胎座，很少不完全的2-9室，胎座凸出深入进子房室；每个胎座内胚珠2或更多，直生，倒生或者半倒生；花柱和胎座同数，离生，或部分到完全合生，很少无花柱，柱头小或者大，头状到扁平或者分枝。

Results There are 60 cases of sincipital presentation (30.9%), 43 cases of anterior asynelitism (22.1%), 2 cases of fetal macrosomia (1%), 43 cases of unsatisfied in anaesthesia (22.1%), 2 cases of section beneath the scared uterus (1%), 10 cases of small sections (5.2%) and 21 cases of unknown etiology (10.8%) in the 194 cases of improved cesarean section.

结果 胎头高浮60例，占30.9%；胎头深定43例，占22.1%；巨大儿13例，占6.7%；胎头过度仰伸2例，占1%；麻醉不满意43例，占22.1%；瘢痕子宫切口位于原瘢痕之下2例，占1%；切口小10例，占5.2%；原因不明21例，占10.8％。

The first-born, second-born and third-born breeding sows were separated to be fed, after that they were artificially fecundated. The progeny swinery of the first-born and more than the second-born breeding sows were separated to be fed and the annual production litter size and pathological change of local pneumonia for breeding sows etc.

方法］将头胎、二胎、三胎母猪分开饲养后进行人工授精，并将一胎母猪后代猪群与二胎以上母猪后代猪群实行隔离饲养，记录每头母猪年产仔数和地方性肺炎病变等数据。

Cows from lactation 1 to lactation 5 account for 20% of the total cow population respectively, and refresh 20%(4, 000) afterwards which are the progenies of the best 12, 000 cows and 10 sires.

基础群中第1胎到第5胎母牛的比例均为20％，以后母牛群每年更新20％（4，000头），由优秀的12，000头母牛和10头种公牛随机交配产生。

Half-sib mating was used and one boar and five gilts were raised in a mating pen. Numbers of born alive per litter produced by G1 sows at 1.0, 1.5 and 2.0 years of age were 1.82+2.47 (N=36), 3.02+2.56 (N=30) and 5.02+2.26 (N=34) piglets, respectively.

再进行1公5母的半同胞并栏配种，第一代种母猪的分娩年龄为1.0、1.5和2.0岁时，其每胎活仔数分别为1.82±2.47(36胎)、3.02±2.56(30胎)和5.02±2.26头(34胎)。

Bringing with me the first fruits of the field and the firstlings of the flock, together with a tenth of my income and the first shearings of the sheep, I would hasten to Jerusalem

我带着初熟的田产，头胎的畜牲，什一的牲畜和初剪羊毛，急速前往耶路撒冷

There is some expectation that firstborns are somehow better qualified for certain occupations.

一些观点认为头胎胜任特定的职业要更有资格些

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了