部分化学品出口退税率下调至9%或5%；
对大部分化学原料惰性与无化学反应且对金属中性反应。
It is also inert to most chemical agents and neutral to pipe metals.
聚氨酯涂膜防水材料是双组分化学反应固化型弹性防水涂料。
Polyurethane coated waterproof material is a type of elastic waterproof material solidified in bi-component chemical reaction.
部分化学品（油漆）被存放于B栋4楼女洗手间内，部分已溢出到地面上。
Some chemicals (paint) are stored in the females' restroom on the 4th floor of Building B; some of which were spilt onto the floor.
大部分化学试剂都是有专利权保护的，每家制造商都有独特的化学品制备工艺。
Most chemical reagents are proprietary, and every manufacturer has a unique process for making the chemicals work.
最大压力及其上升速率在燃料组分化学计量浓度的1.1倍左右达到最大值。
The maximum explosion pressure and the maximum pressure rising rate reach their extreme values when about 1.1 times of chemical measured concentration of the fuel components.
他们发现绿色食品中的大部分化学物质是由于早期使用的化学品残留在其生长环境的结果。
They found that most of the chemicals in organic foods were unavoidable results of earlier chemical use in the environment.
随着人们对畜产品安全意识的不断加强，饲用抗生素与部分化学药物添加剂被禁用已成必然趋势。
With the increasing safety consciousness about animal products, the antibiotics and some drug feed additives are showing a tendency to be prohibited.
对目前医用可生物降解高分予材料的研究及应用状况分化学合成、天然和生物技术合成三类作了综述。
The recent advances in biodegradable polymers for medical applications were reviewed according chemical synthetic, biosynthetic and natural polymers respectively.
高二化学是一门化学基础介绍性的实验课程，涉及到部分化学现象的描述、分类、理论实践等方面内容。
Chemistry 11 is an introductory laboratory course concerned with the description, classification and theory of matter.
作为天然核苷受体的竞争性抑制剂，糖环部分化学改造的核苷类似物在过去的几十年中得到了深入的研究。
As competitive inhibitors of natural nucleoside receptors, sugar-modified nucleoside analogues have been well studied in the past few decades.
在肿瘤生物学以及器官分化学的研究方面，不同于平面培养模式，多细胞肿瘤球体培养系统提供了新的研究方向。
The MTS culture system has been shown to provide new insights into tumor biology as well as organ differentiation.
溶质在多孔介质中的运移，必然受到多组分反应的影响，并且此种情况下能用水动力方程和多组分化学平衡方程进行描述。
Solute transport in porous medium is certainly influenced by multicomponent reactions, and can be described by hydraulic equations and multicomponent chemical equilibrium equations in this case.
提出了一种新的方法来计算多组分化学反应流场。它首先引入了元素的分布方程，然后根据化学平衡的热力计算方法求解每一位置的组分及温度。
A new numerical method for the solution of multi-component chemical equilibrium flows by the elements distributing equations and thermodynamic calculation of chemical equilibrium was introduced.
其中的部分化学物质并为特性奇特的生物提供了生长环境，如依靠消耗化学硫的细菌。有种“盲虾”很可能因为烟囱光辐而栩栩生光，而且借此修正自身的DNA。
Some of these support strange creatures with baffling properties-sulphur-eating bacteria, for instance, and blind shrimps that may be highly irradiated by the vents yet can repair their DNA.
为了使这些细胞变成胰岛分泌细胞，他们将这些细胞暴露与化学试剂通过三周的特定过程诱导分化。
To convince the cells to become insulin producers, they exposed them to chemicals that stimulate differentiation at specific times over the course of about three weeks.
方法采用细胞培养技术、免疫细胞化学方法观察新生大鼠皮层神经干细胞向胆碱能神经元定向分化的时空变化。
Observation the space-time change of cortex nerve stem cell in newborn rat orientation differentiation to cholinergic neuron by cell cultured and immunocyte chemistry methods.
目的：分析262例双向分化恶性肿瘤临床资料及免疫组织化学染色的结果。
Objective:To investigate the clinical data and immunohistochemical results of in262cases with bi-directional differential malignant tumors.
观察移植神经干细胞存活、迁移、分化情况采用免疫组织化学染色方法。
The survival, migration and differentiation of the transplanted neural stem cells were observed with immunohistochemical staining.
应用组织学、组织化学和电镜技术对实验室内培养的单环刺螠虫消化道和体壁的发生及分化过程进行了研究。
The ontogenesis and differentiation of digestive canal and body wall in Urechis uniconctus was also studied using histological, histochemical and TEM methods in the laboratory.
有关食性分化方向的观点倾向于寄主植物转向化学物质相似的植物，表现为寄主转移、寄主扩张和形成寄主型等；
The insects are more likely to switch to plants with similar plant chemicals to their native host plants, in the forms of host shift, host expansion and host race formation.
在诱导第7,14,21天分别行甲苯胺蓝染色、免疫细胞化学染色检测其分化结果。
At day 7, 14 and 21 after induction respectively, Toluidine blue staining and immunocytochemical staining were performed to detect differentiation.
电镜可见胞浆有张力原纤维，角蛋白免疫组织化学阳性证实鳞状上皮有分化特征。
The tonofilament expression in cell cytoplasm by electron-microscopy and positive reaction of cytokeratin by immunochemistry showed differentiative character of squamous epithelium.
背景：现阶段诱导骨髓基质细胞分化成骨的方法大致分为在化学药物作用、细胞因子作用以及转基因作用下的分化等。
BACKGROUND: the methods of inducing the differentiation of bone marrow stromal cells into osteoblasts included the differentiation under chemicals effect, cytokine effect and transgenosis.
本文就其化学组成、特性、合成、代谢和其在植物细胞分化中的某些作用的研究进展作了介绍。
The author reviewed their chemical compositions, properties, origins, metabolisms and certain roles in plant cell differentiation.
我们以斑马鱼为模式动物，利用发育遗传学、生物信息学和分子化学的方法研究心脏和血管的分化形成以及环境对心血管发育的影响。
We are studying heart and blood vessel in zebrafish embryos, an experimental system that affords a powerful combination of genetic analyses with molecular, embryological and chemical approach.
诱导分化是指在分化诱导剂的存在下，恶性肿瘤细胞的形态、生物学或生物化学方面的诸多标志均向正常细胞的方向分化，甚至完全转变成正常细胞。
By derived differentiation, we mean that under the effect of differentiation inducer, malignant tumor cell has the tendency to differentiate to normal cell, even became normal cells.
方法采用HE法和SP免疫组织化学法研究不同分化程度的人胃腺癌的AQP1的表达。
Methods Using the he method and SP method of immunohistochemical method to research the AQP1 expression of human gastric adenocarcinoma with different differentiation degree.
结论：本法无需添加化学诱导剂，为一种简便、经济的诱导体外培养小鼠es细胞分化为心肌细胞的方法。
CONCLUSION: a simple and economical method was established to induce mouse es cells cultured in vitro to differentiate into cardiomyocytes without using any chemical reagents.
通过免疫细胞化学、细胞化学、流式细胞分析法及透射电镜对其分化后细胞进行鉴定。
Cells were characterized by immunohistochemistry, cytochemistry, FACS and ultrastructure to identify and detect the differentiated population and markers.
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