查询词典 head block

The Chahayan pluton is located in the Eerguna block in the eastern Daxing'anling Mountains, and mainly consists of porphyritic biotitic syenogranite.

察哈彦岩体位于大兴安岭东北部额尔古纳地块之上，主要岩性为斑状黑云母正长花岗岩。

Fe(superscript 3+) occupied both tetrahedral sites in spinel block and trigonal bipyramid sites in mirror plane for LaFeMnAl(subscript 12-x-y)O19 (x=0.5, 1) hexaaluminate.

LaFeMnAl(下标 12-x-y)O19(x=0.5， 1)中Fe以Fe(上标 3+)位于六铝酸盐尖晶石结构中的四面体位和镜面层结构中的三角双锥位，其中后者为N2O分解的主要活性中心。

According to the mechanism of block of development in vitro culture on early embryo of mammal and in vivo surroundings of early embryo, the paper states that requirement and utilization of nutrients during each cell stage of early embryo of mammal in vitro culture in order to search for in vitro culture condition and method to improve the development rate of blastosphere.

摘要从哺乳动物早期胚胎体外培养发育阻断机理和早期胚胎的体内环境入手，阐述了胚胎体外培养各细胞阶段胚胎对营养物质的需求，寻求合理的体外培养条件和方法，以便提高体外胚胎早期的囊胚发育率。

Reciprocating means up and down or banck and forth, It is the up and down action of a piston in the cylinder blick, or engine block.

大多数汽车的发动机是内燃机，往复四冲程汽油机，但是也有使用其它类型的发动机，包括柴油机，转子发动机，二冲程发动机和分程燃烧发动机。

And, above all, I will ask you to join in the work of rem aking this nation, the only way it's been done in America for 221 years ‐‐ block by blo ck, brick by brick, calloused hand by calloused hand.

最重要的是，我会请求你们参与这个国家的重建工作，以我们美国 221 年方式—一砖一瓦，胼手胝足，并肩前进。

When Bolden played for outdoor dancing in a park, his playing was powerful enough to attract all the dancers from another park a block away.

当Bolden在公园为户外舞蹈伴奏时，他的伴奏是很强有力的，足以吸引另外街区公园的舞者赶来。

When Bolden played for outdoor dancing in a park, his playing was powerful enough to attract all the dancers from another park a block away.

他的演奏具有莫大的魁力，当他在一个公园里为露天舞蹈伴奏时，他能把远隔一个街区的另一个公园里的舞客统统吸引过来。

Objective: Observing the effect of breath and circulation and recovery of the arm operation when using the ropivacaine plexus brachialis nerves block combined with ketamine propofol intravenous anesthesia.

目的：观察罗哌卡因臂丛神经阻滞复合氯胺酮－丙泊酚静脉麻醉在小儿上肢手术中应用，对呼吸循环功能以及术后恢复情况的影响。

Plexus brachialis nerves block combined with ketamine propofol intravenous anesthesia used in the operation of children's arm can decrease the quantity of ketamine to reduce the uncomfortable response.In this way,the children's breath and circulation is more steadily during the anesthesia and operation.The parents and doctors'satisfactory are highly increased.

臂丛神经阻滞复合氯胺酮－丙泊酚静脉麻醉应用于小儿上肢手术，可减少氯胺酮用量从而减少其不良反应，使患儿在麻醉手术期间呼吸循环更平稳，家长及医护人员满意度明显提高。

Fifty children undergoing arm operation were randomly divided into two groups:After ketamine based anesthesia,Plexus brachialis nerves block combined with ketamine propofol intravenous anesthesia(group A, n=25), 0.25％ropivacaine 0.5ml/kg was injected to plexus brachialis,ketamine propofol was injected intravenous connected during the operation;Ketamine propofol intravenous anesthesia(group B,n=25),ketamine propofol was injected intravenous connected.

50例行上肢手术患儿随机分为两组：氯胺酮基础麻醉后，臂丛神经阻滞复合氯胺酮－丙泊酚静脉麻醉组(A组，n=25)，臂丛阻滞成功后注入0.25％罗哌卡因 0.5ml/kg，术中以氯胺酮－丙泊酚持续静注；单纯氯胺酮－丙泊酚静脉麻醉组(B组，n=25)，术中氯胺酮－丙泊酚持续静注。

Finally it offers the analysis of the fault-tolerance system as well as its test verification.

这样，运行于空间环境中的系统的设计目标就是在保证系统实时性

However, it is still difficult to find out the real reason of the increase of the keratinized gingiva during the orthodontic extrusion whether it is due to the proliferation of the gingival tissue or to its elastic nature, that is because the proliferation of the fibroblasts as well as the connective tissue changes in volume and the intra-fibers spaces were all immeasurable in most of the studies.

然而，仍然难以找到真正的原因增加的角化牙龈在正畸挤压它是否是由于扩散的牙龈组织或其弹性性质，这是因为增殖的成纤维细胞以及作为结缔组织的变化量和内部纤维空格都是不可估量的，大多数的研究。