In order to improve fuel performance of internal combustion engine, a six channel fuel meter for free armature injector of motorengine, controlled by AT89C52 micro control unit and based on the principle of volumeter, is introduced in this paper.
为检测电喷发动机喷油性能，本文介绍一种以容积法为设计原理，单片机AT89C5 2为核心的六通道喷油器喷油量自动高速检测平台。
There are three isomeric pentene(C5H10)that yield 2-methylbutane on catalytic hydrogenation. Write structural formulas for these three isomers and indicate their relative stabilities based on the ΔH values
答：戊烯的三种同分异构体在催化加氢后可生成2-甲基丁烷，写出3个同分异构体的结构式，并依据他们的ΔH值判断出它们的相对稳定性
Objective To observed the effects of 5 hydroxyl group of genistein on recombinant human protein kinase CK2 holoenzyme activity.
目的 观察染料木黄酮C5位上的羟基对其抑制重组人蛋白激酶CK2全酶活性的影响。
With a series of carboxylic acids of double rings substituted by n-propyl, n-pentyl with p-hydroxyl benzaldehyde as reactants, four liquid crystal compounds of multi-ring monoesteryl aryl aldehydes were synthesized by the reactions of chloridating and esterifying at room temperature. They were 4-4-(trans-4-propylcyclohexyl benzoyloxy benzaldehyde, 4-trans-4-(trans-4-propcyclohexyl cyclohexacyloxy benzaldehyde, 4- 4-(trans-4-pentylcyclohexyl cyclohexacyloxy benzaldehyde, and 4-4-(4-pentylphenyl benzoyloxy benzaldehyde. Their structures were identified by IR, MS, 1H NMR and elemental analysis.
以对羟基苯甲醛和一系列4-正丙基、4-正戊基取代的双环己基甲酸、联苯甲酸及环己基苯甲酸为主要原料，通过室温氯化、酯化等方法合成了4个C3和C5烷基取代的多环单酯基苯甲醛类液晶：4-（4-（反4-丙基环己基）苯酰氧）苯甲醛、4-（反4-（反4-丙基环己基）环己酰氧）苯甲醛、4-（反并-（反4-正戊基环己基）环己酰氧）苯甲醛和4-（4-（4-正戊基苯）苯酰氧）苯甲醛。
The methods of expunging methanol from C5 with pervaporation membranes were studied in this paper.
对用渗透蒸发膜分离方法去除C5中的甲醇进行了研究。
In the tire industry, adhesives industry, hot-melt road sign paint, refined C5 petroleum resin has very good not only by viscous effects, but also helps improve the overall mechanical properties of adhesive systems and optical performance.
在轮胎工业、胶粘剂行业、热熔道路标志漆中，精C5石油树脂不仅有很好的增粘效果，而且有助于改善整个胶粘体系的机械性能和光学性能。
AP was induced by retrograde infusion of 5% sodium taurocholate into the bili-pancreatic duct in Wistar rats; AP-C5-I was injected with complemet C5 inhibitor(2.0 mg/kg) into caval vein rightly after induction of acutepancreatitis; HC rats underwent identical surgical procedures and duct cannulation without sodium taurocholate.
以5 %牛磺胆酸钠逆行注入胰胆管诱发AP模型建立AP组；造模后即向大鼠向下腔静脉注射C5抑制剂(2.0 mg/kg)建立AP-C5-I组；HC组模拟胰胆管穿刺操作，但不注射药物。
The adjacent strong edge chromatic number of join graph of star and path is obtained.
证明了圈Cm与圈C5n的笛卡尔积图的全色数和邻强边色数都为5。
In this configuration, the performance of C5 Airscape is close to that of a four-wheel drive.
在这种配置中，碳五鸟瞰性能接近，一辆四轮驱动。
The profile of C5 Airscape reflects efforts to achieve optimal aerodynamic design.
在碳五鸟瞰图资料反映出的努力，以达到最佳空气动力学设计。
The powerful design of the front and rear ends highlight the on-road stance of C5 Airscape.
在前后两端强大的设计上突出的碳五鸟瞰道路的立场。
Taking the wheel of C5 Airscape is a total and continuous experience in driving pleasure.
走碳五鸟瞰轮是在驾驶乐趣和持续的总经验。
Our company professionally produce petroleum resin used in PVC.
我公司生产供应胶粘剂用优质C5石油树脂。
Study on maleic anhydride modified and polyethylene blending modified C5 petroleum resin are carried out.
对C5石油树脂进行了马来酸酐改性和聚乙烯物理共混改性研究。
The aim of graft reaction is to make the softening point of C5 petroleum resin increasing.
根据接枝反应原理，采用马来酸醇为改性剂对C5石油树脂进行化学改性，提高其软化点。
The development of downstream of C_5 in Daqing Oil Field light hydrocarbon and its research direction of production technique were analyzed in the paper.
本文分析了大庆油田轻烃中C5组分的下游发展和生产技术研究方向。
RESULTS: By 1 months, transplanted MSCs demonstrated to be myogenic differentiation with the expression of α-sarcomeric actin (5C5). MSCs implantation significantly increased vascular density in the infarct zone and resulted in markedly improved the left ventricular contractility.
结果：移植4周后，MSCs向心肌细胞分化，表达出α-横纹肌肌动蛋白，缺血区血管密度明显增加，左室收缩功能明显强于对照组。
This material shall be supplied with 1/2 weight of C5A core plate to provide antisticking caused by heat treating.
这种材料应由1/2重的热处理后抗粘性的砂心板(C5A 应该是硬度要求吧)制成。
A yellow byproduct was also isolated from the reaction mixture The composition of that compound was analyzed as0.85WO3, close to.
从反应混合物中还分离到一个黄色的副产物，其组成经分析为(C5H5N)0.85。
Distribution of sulfur in different density grading and size grading of coal is studied.
通过对云南省东北部昭通市镇雄干沟乡荣兴煤矿C5煤层原煤筛分浮沉实验的研究，分析了该煤层中全硫及形态硫在不同粒度级和密度级中的分布规律。