氢

The properties of light fractions (including naphtha, jet fuel and light hydrogenated lube base oil) from the 300 kt/a lube isodewaxing unit of SINOPEC Shanghai Gaoqiao Company were reviewed and a proposal for optimizing utilization of these fractions was presented, such as producing AR petroleum ether from naphtha; superior odorless kerosene and rolling oil of aluminum foil from jet fuel fraction; transformer oil, high quality white oil and jelly wax from light base oil fraction.

对中国石化上海高桥分公司300kt/a润滑油异构脱蜡装置生产的石脑油馏分、喷气燃料馏分及轻质加氢基础油性质进行试验分析，提出合理的利用方案，其中石脑油馏分可生产分析纯石油醚，喷气燃料馏分可生产特种煤油与铝箔轧制油，轻质加氢基础油可生产变压器油、高档白油以及果冻蜡。

Objective To study the expression of thymidine phosphorylase, thymidylate synthase and dihydropyrimidine dehydrogenase mRNA in breast cancer and its correlation with prognosis.

目的 探讨乳腺癌组织中胸苷酸化酶、胸苷酸合成酶和二氢嘧啶脱氢酶mRNA表达水平及其与预后的关系。

The results for H2 production from photodecomposition of H2S showed the highest H2 evolution rate could reach 7.61mmol/g·h over Cd0.7Zn0.3S photocatalyst calcined under N2 atmosphere at 650℃.

光催化分解硫化氢制氢实验表明，在650℃，N2气氛下焙烧的Cd0.7Zn0.3S最高的产氢速率可达到7.61 mmol/g·h。

To resolve the problem that the concentration of CO2 was hard to control in fields,KHCO3 was sprayed on soybean leaves and NaHSO3 was used to restrain photorespiration at the same time,so as to find the best application amount of KHCO3 and NaHSO3 to increase photosynthetic rate of soybean seedlings.

针对目前还难以控制田间CO2浓度的问题，采用在大豆幼苗叶片上喷施碳酸氢钾(KHCO3)的方法，同时用亚硫酸氢钠( NaHSO3)适当的抑制大豆的光呼吸，来提高CO2浓度进而提高光合速率。

The change in group component of the coal tar pitch road binder modified by tired rubber with reaction time and its modified mechanism were studied.

研究了煤沥青在供氢剂的作用下，族组成随反应时间的变化规律及其受氢改质机理。

It was considered that the rubber,as a hydrogen donor,might take part in the modification of coal tar pitch and formed a new asphaltine.

橡胶在改质过程中作为供氢媒介参与筑路油的热解反应，正是煤沥青的受氢作用改善了筑路油的质量。

In complex 1,Cucan be described as a four-coordinated square planar geometry.Compound 8 is the sodium salt of plumbagin and exists as ionic compound.Compounds 9-16 are the rare earth complexes of plumbagin with La,Y,Dy,Sm,Gd,Nd,Erand Eu.Compound 17 is binuclear Y complex.18 is mononuclear Ycomplex with plumbagin and another ligand from Plumbago Zeylanica.Compounds 19-21 are the ternary complexes with plumbagin and 2,2\'-bpy and phen as assistant ligand.In 19, the geometry of Cucan be described as five-coordinated distorted square pyramid that exists in a dimer through the weak bonding,and 1-D chain structure is formed by intermolecular hydrogen bonds.

化合物1的单晶结构分析表明1具有四配位平面四边形结构，化合物8是白花丹素的Na盐，以离子化合物形式存在；化合物9～16为白花丹素的La，Y，Dy，Sm，Gd，Nd，Er，Eu的稀土金属配合物；化合物17是白花丹素的双核钇结构；化合物18为白花丹素的单核钇结构，该配合物除了含白花丹素外，还有来自白花丹植物中的另一个单体化合物也参与配位；化合物19～21是以2，2\'-联吡啶和邻菲咯啉等含N配体为辅助配体，具有白花丹素—含N配体—金属离子的三元配合物，化合物19是白花丹素和2，2\'-联吡啶与Cu的配合物，具有五配位的四方锥构型，通过Cu…O弱的成键作用形成二聚体，再通过分子间的氢键作用进一步形成一维链状结构，化合物20和化合物21是白花丹素分别与2，2\'-联吡啶和邻菲咯啉的Zn配合物，都具有六配位八面体构型的双核锌配合物，呈一维链状结构，化合物20中链与链之间的大量氢键将一维链扩展成二维层，分子间的π-π堆积作用进一步形成三维结构。

Objective:To study characteristics of changing LDH and HBDH in severe acute respiratory syndrome,they have a direct relati on with pneumonic damage.

目的 ：研究严重急性呼吸综合征的患者乳酸脱氢酶与α-羟丁酸脱氢酶的改变特点，结合其他临床指征，探讨其水平与肺损伤的关系。

Paper pulp and mixed blowing agent (sodium bicarbonate,potassium alum,starch,potas- sium D-bitartrate,and calcium carbonate) was used to produce the foaming pulp material.

以纸浆为原料，使用复合发泡剂(碳酸氢钠、钾明矾、淀粉、酒石酸氢钾、轻质碳酸钙)，制作纸浆发泡缓冲材料，得到稳定的实验配方，所得发泡材料的静态缓冲系数在4～5之间。

Potassium Hydroxide Solution, with more than 5% Potassium Hydroxide

22氢氧化钾溶液，含氢氧化钾超过5

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。