水生成

A rainbow can be generated using a garden sprinkler but to get sufficient drops they must be very small.

彩虹可以生成使用花园洒水，但获得足够的下降，他们必须非常小。

The experimental results showed that under the reaction temperature of 80℃,using catalyst 5 % of the mass of turpentine,reaction time of 10 h,turpentine:solvent:assistant:water of 1∶1∶1∶2,the conversion ratio of 90 %,the selection of α-Terpineol production was 64.96 %,and ΔHφf,g and Sφg were estimated as well...

实验结果表明，在反应温度80℃，催化剂用量为松节油质量的5%，反应时间10 h，松节油∶溶剂∶助剂∶水为1∶1∶1∶2时，其α-蒎烯的转化率为90%，生成α-松油醇的选择性为64.96%。并对α-蒎烯和松油醇理想气体的△Hfφ，g、Sgφ进行了估算，为今后的理论研究提供了数据支持。

It has offered the information of the boiling points of the chemical compounds, and it is helpful to reutilize them after their separation by rectification. The results showed that the main compounds of the heavy cut of terpineol were longifolene and βcaryophyllene. They are from the raw material, terpinene oil.

松油醇的合成工艺方法主要有两种：一种是一步法，即松节油在酸催化作用下直接进行水合反应生成松油醇；另一种是二步法，即松节油首先在酸催化作用下水合成萜二醇，再经稀酸催化脱水生产松油醇。

Eight novel N,N′-naphthalene acyl substituted aromatic acylamino thiocarbamide s(Ⅱ1~Ⅱ8) were synthesized from aryl acylhydrazine and α-naphthalene acyl isothiocyanate, which was obtained by the reaction of potassium thiocyanate with α-naphthalene acyl chloride obtained from 2-naphthylacetic acid and thionyl chloride in anhydrous benzene.

通过α-萘乙酸和SOCl2在无水苯中反应制得α-萘乙酰氯，与硫氰酸钾反应生成α-萘乙酰基异硫氰酸酯，再与芳基酰肼进行加成反应，合成8种新型N，N′-萘乙酰基取代芳乙酰胺基硫脲类化合物(Ⅱ1～Ⅱ8)。

A novel compound——N-naphthalene acylN′-substituted p-chlorobenzamido thiocarbamide was synthesized by reaction of p-chlorobenzamido hydrazine and α-naphthalene acyl mustard oil,which was obtained by potassium thiocyanate combined with α-naphthalene acyl chloride formed from α-naphthylacetic acid and SOCl2 in anhydrous benzene.

通过α-萘乙酸和SOCl2在无水苯中反应制得α-萘乙酰氯，然后与硫氰酸钾反应生成α-萘乙酰基异硫氰酸酯，再与对氯苯甲酰肼进行加成反应，合成了新型化合物N-萘乙酰基-N′-对氯苯甲酰氨基硫脲，用薄层色谱法跟踪最后一步反应，确定了反应时间。

In general, NH4+ can't generate the precipitation with negative anions directly, but some salt ammonium is undissolved, just as MgNH_4PO_4、MnNH_4PO_4、MoNH_4PO_4 and so on.

一般情况下NH_4~+不与阴离子生成沉淀，但它的某些复盐不溶于水，如MgNH_4PO_4、MnNH_4PO_4、MoNH_4PO_4、ZnNH_4PO_4 等。

The localization of Kir2.1 in the basal membrane of ciliary unpigmented epithelial cells suggests that it may play an important role in generation of aqueous fluid.

Kir2.1分布于大鼠睫状体的无色素上皮的基底面的胞膜和胞浆中，可能与房水的生成有重要关系。

This paper has produced the physical meaning of the water radon variation rate and the production method of the dynamic pattern of the variation rate .

介绍了水氡变化率的物理含义以及变化率动态图象的生成方法。

In order to accurately analyze the thermal and mechanical states of subway tunnel constructed by artificial freezing method,the coupled effects of moisture transfer and phase change of ice and water,the generation of cement hydration heat and thermal creep constitutive relationship were taken into account,and a moisture,thermal and mechanical coupled model was established.

为了准确分析地铁隧道人工冻结施工过程中的热力学状况，考虑水分迁移和冰水相变耦合影响以及水泥水化热的生成，采用热蠕变本构建立了地铁隧道人工冻结施工的水热力耦合分析模型。

Methods Cytotoxicity and the formation of reactive oxygen species of microcystin extracted water bloom were studied in rat liver cells of primary culture.

利用原代培养的大鼠肝细胞，对水华提取物微囊藻毒素进行了细胞毒性和活性氧类生成的研究。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。