Sentence examples for was firstly added from inspiring English sources

The N-doped carbon (NC) nanofibers were synthesized by electrospinning as follows: 0.6 g polyacrylonitrile (PAN, Sigma-Aldrich Co., Ltd. USA) was firstly added into 7 g N, N-dimethylformamide (DMF, Sinopharm Chemical Reagent Co., Ltd., China).

In a typical procedure, 92 mg of ASPB was firstly added into 25.2 mL of 2 M HCl (aq) with ultrasonic dispersion for 20 min, and then 1.8 mL of aniline and 1.4 mL of pyrrole were added.

The oxide was firstly added to an ethanolic solution of hexadecylamine (HDA) used as structure-directing agent (21.6 mmol HDA/35 ml ethanol), and the suspension was constantly stirred for 2 h.

Each fixed effect (independent variable that was not a level) was firstly added to the multilevel models separately ('one fixed effect' models), secondly all variables were added simultaneously firstly including NS-SEC to measure SES and secondly NS-SEC was removed and eligibility for free prescriptions was entered.

For invasion analysis, 100 μl matrigel (BD, USA) was firstly added onto the bottom of the upper transwell chamber before LoVo cells were seeded, and the following procedures were as same as migration analysis, except that the invasive cells were analyzed after co-culture for 48 hours.

Operation procedures The absorption alkanolamines agent is firstly added into the equilibrium cell (9) from the leveling bottle (5) and valve (6).

Therefore, for each subband x j + 1 ( o ), a white Gaussian noise of variance ( σ j + 1 ( o ) ) 2 is firstly added while keeping the remaining subbands noiseless.

In a 50 mL of flask, 8 mg Ca(OH 2 and 100 μL of PAA aqueous solution (0.2 g mL−1) were firstly added to 10 mL DI water under magnetic stirring.

To synthesize monodispersed AuNR@mSiO2@PAA-Ca core shell NPs, the PAA-Ca aqueous solution was firstly obtained by adding Ca(OH 2 powder into PAA aqueous solution due to the acid base neutralization reaction [2].

A mixed solution containing 0.075 mol Mg(NO3 2·6H2O and 0.025 mol Al(NO3 3·9H2O was firstly obtained, which was then added to a Na2CO3 aqueous solution (0.5 mol/L, 100 mL) under vigorous stirring at 70 °C.

Petal-like ZSH4 nanosheets were firstly electrodeposited by adding K2SO4 into the electrolyte of Zn(NO3 2 solution and the growth process of ZSH4 nanosheets was also studied.