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KH12 could make its rhizosphere acider than XIN9005 so as to uptake more phosphorus.

KH12 的对根际土壤的酸化能力强于忻9005,增加了根系对磷素的吸收。

Because silver particles are stabilized by the other thermal decomposition products of silver behenate, in the range of 193°C~320°C, the formed film is not pure silver.

通过控制山嵛酸银的热分解温度可以构筑不同形态的银薄膜,在190°C~320°C,金属银被有机产物钝化,形成了掺杂有机物的金属银薄膜;当温度高于500°C时,有机产物进一步分解可以形成纯金属银薄膜。

The purification-pretreatment technique of 8 kinds of solid phase extracting column stuffing (silica gel, acid silica gel, Florisil, siliceous magnesium sorbent, Al2O3, celite 545, acid celite, Al2O3+silica gel) for the prepared polluted soil containing 13 kinds of organochlorine pesticides (α-HCH,β-HCH,γ-HCH,δ-HCH, o,p'-DDT, o,p'-DDE, p,p'-DDT, p,p'-DDD, p,p'-DDE, a-endosulfan, dieldrin, endrin, hexachlorobenzene) was screened prior.

用製备的8种固相萃取柱填料(硅胶,酸化硅胶,氟罗里硅土,硅镁型载体,Al2O3,硅藻土载体545,酸性硅藻土,Al2O3+硅胶)对含有13种有机氯农药的污染土壤的纯化预处理技术进行了优化筛选。

In Na2CO3-NaHCO3 buffer solution, the apparent activation energy and activation parameters for cetyl trimethylammonium bromide micelle-catalytic hydrolysis of p-nitrophenyl propionate have been measured, and the effects of inorganic salts (such as NaCl, NaBr and Na2SO4) on them have also been investigated.

在Na2CO3-NaHCO3缓冲溶液中,测定了对硝基苯酚丙酸酯的十六烷基三甲基溴化铵胶团催化反应的表观活化能和活化参数;考察了无机盐(NaCl, NaBr, Na2SO4)对该催化反应的影响。

The corrosion inhibitor prevents cathode and anode process of metal corrosion,so it can be used in a wide temperature range(60~150℃)and in high chlorhydric acid concentration (15%~34%).

该缓蚀剂对金属腐蚀的阴、阳极过程起抑制作用,因此使用的温度范围宽(60~150℃),盐酸浓度高(15%~34%),该产品生产工艺简单,成本低,是油田较理想的酸化缓蚀剂。

The effect of some experimental conditions including the acidification of water sample, the selection of absorption solution and gas separation on determination was discussed, which avoided the interference of iodometric method.

讨论了水样的酸化效果,吸收液选择,气体分离等实验条件对侧定的影响,避免了碘量法所产生的干扰。

A one-pot chemoselective reduction and lactonization of(4S,5R)-hemiesters was carried out to afford high-yielding(3aS,6aR)-lactone,a key chiral building block for the biotin synthesis. One-step introduction of carboxybutyl chain onto(3aS,6aR)-thiolactone was reached upon treatment of zinc reagent 25 in the presence of nanopalladium via an improved Fukuyama coupling under mild reaction conditions.

在侧链引入过程中,采用纳米钯LDH-Pd~0为催化剂以改进的Fukuyama偶联反应一步高效地引入-生物素五碳羧酸侧链,紧接着创造性地以离子氢化的方式建立了-生物素的第三个手性中心。

Through their ubiquitin E3 ligase activities c-IAP1 and c-IAP2 promote proteasomal degradation of NIK, the central ser/thr kinase in the noncanonical NF-κB pathway.

在泛素化的过程中,E3连接酶激活c-IAP1,同时c-IAP2促进NIK蛋白体降解,NIK是非经典NF-kB途径中的核心,有丝/苏氨酸激酶的活性。

All parts with a specified hardness of HRC 32 or greater, which are acid cleaned (not to exceed 10 minutes) and phosphated to the requirements of PS-80 shall be held in the supplier's plant for 48 hours or baked for one (1) hour at 115 +/- 10 degrees C.

所有硬度等于或大于HRC 32的零件,酸洗(不超过10分钟)后再按PS-80标准进行磷化的,应在供应商的工厂内放置48小时,或在115±10℃温度下烘烤1小时(见表1及2.3条烘烤方法)。

In order to further improve the catalytic activity and investigate the influence of catalyst acidic properties on the catalytic activity, acid-treated montmorillonite and molecular sieve Hβwere modified by loading Lewis acid and protonic acid treatment.

为了进一步提高催化剂的催化活性和考察催化剂酸性质对催化剂活性的影响,对酸化蒙脱土和Hβ分子筛进行了改性处理并考察了它们改性后的催化活性。

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According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm~150rpm时取得最大值,此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世,形体几无变化。

When I was in school, the rabbi explained everythingin the Bible two different ways.

当我上学的时候,老师解释《圣经》用两种不同的方法。